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<h2><span class="refentrytitle"><a name="gnome-vfs-2.0-gnome-vfs-async-ops.top_of_page"></a>Asynchronous File Operations</span></h2>
<p>Asynchronous File Operations — POSIX-style file operations that run outside your main loop</p>
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<a name="gnome-vfs-2.0-gnome-vfs-async-ops.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">#define <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-MIN:CAPS" title="GNOME_VFS_PRIORITY_MIN">GNOME_VFS_PRIORITY_MIN</a>
#define <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-MAX:CAPS" title="GNOME_VFS_PRIORITY_MAX">GNOME_VFS_PRIORITY_MAX</a>
#define <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-DEFAULT:CAPS" title="GNOME_VFS_PRIORITY_DEFAULT">GNOME_VFS_PRIORITY_DEFAULT</a>
typedef <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle">GnomeVFSAsyncHandle</a>;
<span class="returnvalue">void</span> (<a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncCallback" title="GnomeVFSAsyncCallback ()">*GnomeVFSAsyncCallback</a>) (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="type">GnomeVFSResult</span></a> result</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);
<span class="returnvalue">void</span> (<a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncOpenCallback" title="GnomeVFSAsyncOpenCallback ()">*GnomeVFSAsyncOpenCallback</a>) (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="type">GnomeVFSResult</span></a> result</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);
<span class="returnvalue">void</span> (<a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncOpenAsChannelCallback" title="GnomeVFSAsyncOpenAsChannelCallback ()">*GnomeVFSAsyncOpenAsChannelCallback</a>)
(<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code><span class="type">GIOChannel</span> *channel</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="type">GnomeVFSResult</span></a> result</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);
<span class="returnvalue">void</span> (<a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncCreateCallback" title="GnomeVFSAsyncCreateCallback ()">*GnomeVFSAsyncCreateCallback</a>) (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="type">GnomeVFSResult</span></a> result</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);
<span class="returnvalue">void</span> (<a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncCreateAsChannelCallback" title="GnomeVFSAsyncCreateAsChannelCallback ()">*GnomeVFSAsyncCreateAsChannelCallback</a>)
(<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code><span class="type">GIOChannel</span> *channel</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="type">GnomeVFSResult</span></a> result</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);
<span class="returnvalue">void</span> (<a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncCloseCallback" title="GnomeVFSAsyncCloseCallback ()">*GnomeVFSAsyncCloseCallback</a>) (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="type">GnomeVFSResult</span></a> result</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);
<span class="returnvalue">void</span> (<a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncReadCallback" title="GnomeVFSAsyncReadCallback ()">*GnomeVFSAsyncReadCallback</a>) (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="type">GnomeVFSResult</span></a> result</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> buffer</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-size.html#GnomeVFSFileSize" title="GnomeVFSFileSize"><span class="type">GnomeVFSFileSize</span></a> bytes_requested</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-size.html#GnomeVFSFileSize" title="GnomeVFSFileSize"><span class="type">GnomeVFSFileSize</span></a> bytes_read</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);
<span class="returnvalue">void</span> (<a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncWriteCallback" title="GnomeVFSAsyncWriteCallback ()">*GnomeVFSAsyncWriteCallback</a>) (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="type">GnomeVFSResult</span></a> result</code></em>,
<em class="parameter"><code><span class="type">gconstpointer</span> buffer</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-size.html#GnomeVFSFileSize" title="GnomeVFSFileSize"><span class="type">GnomeVFSFileSize</span></a> bytes_requested</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-size.html#GnomeVFSFileSize" title="GnomeVFSFileSize"><span class="type">GnomeVFSFileSize</span></a> bytes_written</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);
<span class="returnvalue">void</span> (<a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncSeekCallback" title="GnomeVFSAsyncSeekCallback ()">*GnomeVFSAsyncSeekCallback</a>) (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="type">GnomeVFSResult</span></a> result</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);
<span class="returnvalue">void</span> (<a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncGetFileInfoCallback" title="GnomeVFSAsyncGetFileInfoCallback ()">*GnomeVFSAsyncGetFileInfoCallback</a>) (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code><span class="type">GList</span> *results</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);
<span class="returnvalue">void</span> (<a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncSetFileInfoCallback" title="GnomeVFSAsyncSetFileInfoCallback ()">*GnomeVFSAsyncSetFileInfoCallback</a>) (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="type">GnomeVFSResult</span></a> result</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-info.html#GnomeVFSFileInfo" title="GnomeVFSFileInfo"><span class="type">GnomeVFSFileInfo</span></a> *file_info</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);
<span class="returnvalue">void</span> (<a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncFileControlCallback" title="GnomeVFSAsyncFileControlCallback ()">*GnomeVFSAsyncFileControlCallback</a>) (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="type">GnomeVFSResult</span></a> result</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> operation_data</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);
<span class="returnvalue">void</span> (<a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncDirectoryLoadCallback" title="GnomeVFSAsyncDirectoryLoadCallback ()">*GnomeVFSAsyncDirectoryLoadCallback</a>)
(<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="type">GnomeVFSResult</span></a> result</code></em>,
<em class="parameter"><code><span class="type">GList</span> *list</code></em>,
<em class="parameter"><code><span class="type">guint</span> entries_read</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);
<span class="returnvalue">void</span> (<a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncFindDirectoryCallback" title="GnomeVFSAsyncFindDirectoryCallback ()">*GnomeVFSAsyncFindDirectoryCallback</a>)
(<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code><span class="type">GList</span> *results</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> data</code></em>);
<a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSFindDirectoryResult" title="GnomeVFSFindDirectoryResult">GnomeVFSFindDirectoryResult</a>;
<span class="returnvalue">gint</span> (<a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncXferProgressCallback" title="GnomeVFSAsyncXferProgressCallback ()">*GnomeVFSAsyncXferProgressCallback</a>)
(<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-xfer.html#GnomeVFSXferProgressInfo" title="GnomeVFSXferProgressInfo"><span class="type">GnomeVFSXferProgressInfo</span></a> *info</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> user_data</code></em>);
typedef <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSCancellation" title="GnomeVFSCancellation">GnomeVFSCancellation</a>;
typedef <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSContext" title="GnomeVFSContext">GnomeVFSContext</a>;
<span class="returnvalue">void</span> <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-set-job-limit" title="gnome_vfs_async_set_job_limit ()">gnome_vfs_async_set_job_limit</a> (<em class="parameter"><code><span class="type">int</span> limit</code></em>);
<span class="returnvalue">int</span> <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-get-job-limit" title="gnome_vfs_async_get_job_limit ()">gnome_vfs_async_get_job_limit</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
<span class="returnvalue">void</span> <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-cancel" title="gnome_vfs_async_cancel ()">gnome_vfs_async_cancel</a> (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>);
<span class="returnvalue">void</span> <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-open" title="gnome_vfs_async_open ()">gnome_vfs_async_open</a> (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> **handle_return</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *text_uri</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-basic-ops.html#GnomeVFSOpenMode" title="enum GnomeVFSOpenMode"><span class="type">GnomeVFSOpenMode</span></a> open_mode</code></em>,
<em class="parameter"><code><span class="type">int</span> priority</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncOpenCallback" title="GnomeVFSAsyncOpenCallback ()"><span class="type">GnomeVFSAsyncOpenCallback</span></a> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);
<span class="returnvalue">void</span> <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-open-uri" title="gnome_vfs_async_open_uri ()">gnome_vfs_async_open_uri</a> (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> **handle_return</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-uri.html#GnomeVFSURI" title="GnomeVFSURI"><span class="type">GnomeVFSURI</span></a> *uri</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-basic-ops.html#GnomeVFSOpenMode" title="enum GnomeVFSOpenMode"><span class="type">GnomeVFSOpenMode</span></a> open_mode</code></em>,
<em class="parameter"><code><span class="type">int</span> priority</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncOpenCallback" title="GnomeVFSAsyncOpenCallback ()"><span class="type">GnomeVFSAsyncOpenCallback</span></a> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);
<span class="returnvalue">void</span> <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-open-as-channel" title="gnome_vfs_async_open_as_channel ()">gnome_vfs_async_open_as_channel</a> (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> **handle_return</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *text_uri</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-basic-ops.html#GnomeVFSOpenMode" title="enum GnomeVFSOpenMode"><span class="type">GnomeVFSOpenMode</span></a> open_mode</code></em>,
<em class="parameter"><code><span class="type">guint</span> advised_block_size</code></em>,
<em class="parameter"><code><span class="type">int</span> priority</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncOpenAsChannelCallback" title="GnomeVFSAsyncOpenAsChannelCallback ()"><span class="type">GnomeVFSAsyncOpenAsChannelCallback</span></a> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);
<span class="returnvalue">void</span> <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-open-uri-as-channel" title="gnome_vfs_async_open_uri_as_channel ()">gnome_vfs_async_open_uri_as_channel</a> (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> **handle_return</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-uri.html#GnomeVFSURI" title="GnomeVFSURI"><span class="type">GnomeVFSURI</span></a> *uri</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-basic-ops.html#GnomeVFSOpenMode" title="enum GnomeVFSOpenMode"><span class="type">GnomeVFSOpenMode</span></a> open_mode</code></em>,
<em class="parameter"><code><span class="type">guint</span> advised_block_size</code></em>,
<em class="parameter"><code><span class="type">int</span> priority</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncOpenAsChannelCallback" title="GnomeVFSAsyncOpenAsChannelCallback ()"><span class="type">GnomeVFSAsyncOpenAsChannelCallback</span></a> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);
<span class="returnvalue">void</span> <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-create" title="gnome_vfs_async_create ()">gnome_vfs_async_create</a> (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> **handle_return</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *text_uri</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-basic-ops.html#GnomeVFSOpenMode" title="enum GnomeVFSOpenMode"><span class="type">GnomeVFSOpenMode</span></a> open_mode</code></em>,
<em class="parameter"><code><span class="type">gboolean</span> exclusive</code></em>,
<em class="parameter"><code><span class="type">guint</span> perm</code></em>,
<em class="parameter"><code><span class="type">int</span> priority</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncOpenCallback" title="GnomeVFSAsyncOpenCallback ()"><span class="type">GnomeVFSAsyncOpenCallback</span></a> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);
<span class="returnvalue">void</span> <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-create-uri" title="gnome_vfs_async_create_uri ()">gnome_vfs_async_create_uri</a> (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> **handle_return</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-uri.html#GnomeVFSURI" title="GnomeVFSURI"><span class="type">GnomeVFSURI</span></a> *uri</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-basic-ops.html#GnomeVFSOpenMode" title="enum GnomeVFSOpenMode"><span class="type">GnomeVFSOpenMode</span></a> open_mode</code></em>,
<em class="parameter"><code><span class="type">gboolean</span> exclusive</code></em>,
<em class="parameter"><code><span class="type">guint</span> perm</code></em>,
<em class="parameter"><code><span class="type">int</span> priority</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncOpenCallback" title="GnomeVFSAsyncOpenCallback ()"><span class="type">GnomeVFSAsyncOpenCallback</span></a> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);
<span class="returnvalue">void</span> <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-create-symbolic-link" title="gnome_vfs_async_create_symbolic_link ()">gnome_vfs_async_create_symbolic_link</a>
(<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> **handle_return</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-uri.html#GnomeVFSURI" title="GnomeVFSURI"><span class="type">GnomeVFSURI</span></a> *uri</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *uri_reference</code></em>,
<em class="parameter"><code><span class="type">int</span> priority</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncOpenCallback" title="GnomeVFSAsyncOpenCallback ()"><span class="type">GnomeVFSAsyncOpenCallback</span></a> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);
<span class="returnvalue">void</span> <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-create-as-channel" title="gnome_vfs_async_create_as_channel ()">gnome_vfs_async_create_as_channel</a> (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> **handle_return</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *text_uri</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-basic-ops.html#GnomeVFSOpenMode" title="enum GnomeVFSOpenMode"><span class="type">GnomeVFSOpenMode</span></a> open_mode</code></em>,
<em class="parameter"><code><span class="type">gboolean</span> exclusive</code></em>,
<em class="parameter"><code><span class="type">guint</span> perm</code></em>,
<em class="parameter"><code><span class="type">int</span> priority</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncCreateAsChannelCallback" title="GnomeVFSAsyncCreateAsChannelCallback ()"><span class="type">GnomeVFSAsyncCreateAsChannelCallback</span></a> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);
<span class="returnvalue">void</span> <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-create-uri-as-channel" title="gnome_vfs_async_create_uri_as_channel ()">gnome_vfs_async_create_uri_as_channel</a>
(<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> **handle_return</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-uri.html#GnomeVFSURI" title="GnomeVFSURI"><span class="type">GnomeVFSURI</span></a> *uri</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-basic-ops.html#GnomeVFSOpenMode" title="enum GnomeVFSOpenMode"><span class="type">GnomeVFSOpenMode</span></a> open_mode</code></em>,
<em class="parameter"><code><span class="type">gboolean</span> exclusive</code></em>,
<em class="parameter"><code><span class="type">guint</span> perm</code></em>,
<em class="parameter"><code><span class="type">int</span> priority</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncCreateAsChannelCallback" title="GnomeVFSAsyncCreateAsChannelCallback ()"><span class="type">GnomeVFSAsyncCreateAsChannelCallback</span></a> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);
<span class="returnvalue">void</span> <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-close" title="gnome_vfs_async_close ()">gnome_vfs_async_close</a> (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncCloseCallback" title="GnomeVFSAsyncCloseCallback ()"><span class="type">GnomeVFSAsyncCloseCallback</span></a> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);
<span class="returnvalue">void</span> <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-read" title="gnome_vfs_async_read ()">gnome_vfs_async_read</a> (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> buffer</code></em>,
<em class="parameter"><code><span class="type">guint</span> bytes</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncReadCallback" title="GnomeVFSAsyncReadCallback ()"><span class="type">GnomeVFSAsyncReadCallback</span></a> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);
<span class="returnvalue">void</span> <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-write" title="gnome_vfs_async_write ()">gnome_vfs_async_write</a> (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code><span class="type">gconstpointer</span> buffer</code></em>,
<em class="parameter"><code><span class="type">guint</span> bytes</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncWriteCallback" title="GnomeVFSAsyncWriteCallback ()"><span class="type">GnomeVFSAsyncWriteCallback</span></a> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);
<span class="returnvalue">void</span> <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-seek" title="gnome_vfs_async_seek ()">gnome_vfs_async_seek</a> (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-rw-ops.html#GnomeVFSSeekPosition" title="enum GnomeVFSSeekPosition"><span class="type">GnomeVFSSeekPosition</span></a> whence</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-size.html#GnomeVFSFileOffset" title="GnomeVFSFileOffset"><span class="type">GnomeVFSFileOffset</span></a> offset</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncSeekCallback" title="GnomeVFSAsyncSeekCallback ()"><span class="type">GnomeVFSAsyncSeekCallback</span></a> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);
<span class="returnvalue">void</span> <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-get-file-info" title="gnome_vfs_async_get_file_info ()">gnome_vfs_async_get_file_info</a> (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> **handle_return</code></em>,
<em class="parameter"><code><span class="type">GList</span> *uri_list</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-info.html#GnomeVFSFileInfoOptions" title="enum GnomeVFSFileInfoOptions"><span class="type">GnomeVFSFileInfoOptions</span></a> options</code></em>,
<em class="parameter"><code><span class="type">int</span> priority</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncGetFileInfoCallback" title="GnomeVFSAsyncGetFileInfoCallback ()"><span class="type">GnomeVFSAsyncGetFileInfoCallback</span></a> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);
<span class="returnvalue">void</span> <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-set-file-info" title="gnome_vfs_async_set_file_info ()">gnome_vfs_async_set_file_info</a> (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> **handle_return</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-uri.html#GnomeVFSURI" title="GnomeVFSURI"><span class="type">GnomeVFSURI</span></a> *uri</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-info.html#GnomeVFSFileInfo" title="GnomeVFSFileInfo"><span class="type">GnomeVFSFileInfo</span></a> *info</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-info.html#GnomeVFSSetFileInfoMask" title="enum GnomeVFSSetFileInfoMask"><span class="type">GnomeVFSSetFileInfoMask</span></a> mask</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-info.html#GnomeVFSFileInfoOptions" title="enum GnomeVFSFileInfoOptions"><span class="type">GnomeVFSFileInfoOptions</span></a> options</code></em>,
<em class="parameter"><code><span class="type">int</span> priority</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncSetFileInfoCallback" title="GnomeVFSAsyncSetFileInfoCallback ()"><span class="type">GnomeVFSAsyncSetFileInfoCallback</span></a> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);
<span class="returnvalue">void</span> <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-load-directory" title="gnome_vfs_async_load_directory ()">gnome_vfs_async_load_directory</a> (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> **handle_return</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *text_uri</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-info.html#GnomeVFSFileInfoOptions" title="enum GnomeVFSFileInfoOptions"><span class="type">GnomeVFSFileInfoOptions</span></a> options</code></em>,
<em class="parameter"><code><span class="type">guint</span> items_per_notification</code></em>,
<em class="parameter"><code><span class="type">int</span> priority</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncDirectoryLoadCallback" title="GnomeVFSAsyncDirectoryLoadCallback ()"><span class="type">GnomeVFSAsyncDirectoryLoadCallback</span></a> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);
<span class="returnvalue">void</span> <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-load-directory-uri" title="gnome_vfs_async_load_directory_uri ()">gnome_vfs_async_load_directory_uri</a> (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> **handle_return</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-uri.html#GnomeVFSURI" title="GnomeVFSURI"><span class="type">GnomeVFSURI</span></a> *uri</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-info.html#GnomeVFSFileInfoOptions" title="enum GnomeVFSFileInfoOptions"><span class="type">GnomeVFSFileInfoOptions</span></a> options</code></em>,
<em class="parameter"><code><span class="type">guint</span> items_per_notification</code></em>,
<em class="parameter"><code><span class="type">int</span> priority</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncDirectoryLoadCallback" title="GnomeVFSAsyncDirectoryLoadCallback ()"><span class="type">GnomeVFSAsyncDirectoryLoadCallback</span></a> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);
<a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="returnvalue">GnomeVFSResult</span></a> <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-xfer" title="gnome_vfs_async_xfer ()">gnome_vfs_async_xfer</a> (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> **handle_return</code></em>,
<em class="parameter"><code><span class="type">GList</span> *source_uri_list</code></em>,
<em class="parameter"><code><span class="type">GList</span> *target_uri_list</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-xfer.html#GnomeVFSXferOptions" title="enum GnomeVFSXferOptions"><span class="type">GnomeVFSXferOptions</span></a> xfer_options</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-xfer.html#GnomeVFSXferErrorMode" title="enum GnomeVFSXferErrorMode"><span class="type">GnomeVFSXferErrorMode</span></a> error_mode</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-xfer.html#GnomeVFSXferOverwriteMode" title="enum GnomeVFSXferOverwriteMode"><span class="type">GnomeVFSXferOverwriteMode</span></a> overwrite_mode</code></em>,
<em class="parameter"><code><span class="type">int</span> priority</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncXferProgressCallback" title="GnomeVFSAsyncXferProgressCallback ()"><span class="type">GnomeVFSAsyncXferProgressCallback</span></a> progress_update_callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> update_callback_data</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-xfer.html#GnomeVFSXferProgressCallback" title="GnomeVFSXferProgressCallback ()"><span class="type">GnomeVFSXferProgressCallback</span></a> progress_sync_callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> sync_callback_data</code></em>);
<span class="returnvalue">void</span> <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-find-directory" title="gnome_vfs_async_find_directory ()">gnome_vfs_async_find_directory</a> (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> **handle_return</code></em>,
<em class="parameter"><code><span class="type">GList</span> *near_uri_list</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-directory-find-ops.html#GnomeVFSFindDirectoryKind" title="enum GnomeVFSFindDirectoryKind"><span class="type">GnomeVFSFindDirectoryKind</span></a> kind</code></em>,
<em class="parameter"><code><span class="type">gboolean</span> create_if_needed</code></em>,
<em class="parameter"><code><span class="type">gboolean</span> find_if_needed</code></em>,
<em class="parameter"><code><span class="type">guint</span> permissions</code></em>,
<em class="parameter"><code><span class="type">int</span> priority</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncFindDirectoryCallback" title="GnomeVFSAsyncFindDirectoryCallback ()"><span class="type">GnomeVFSAsyncFindDirectoryCallback</span></a> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> user_data</code></em>);
<span class="returnvalue">void</span> <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-file-control" title="gnome_vfs_async_file_control ()">gnome_vfs_async_file_control</a> (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *operation</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> operation_data</code></em>,
<em class="parameter"><code><span class="type">GDestroyNotify</span> operation_data_destroy_func</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncFileControlCallback" title="GnomeVFSAsyncFileControlCallback ()"><span class="type">GnomeVFSAsyncFileControlCallback</span></a> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);
<a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSFindDirectoryResult" title="GnomeVFSFindDirectoryResult"><span class="returnvalue">GnomeVFSFindDirectoryResult</span></a> * <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-find-directory-result-dup" title="gnome_vfs_find_directory_result_dup ()">gnome_vfs_find_directory_result_dup</a>
(<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSFindDirectoryResult" title="GnomeVFSFindDirectoryResult"><span class="type">GnomeVFSFindDirectoryResult</span></a> *result</code></em>);
<span class="returnvalue">void</span> <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-find-directory-result-free" title="gnome_vfs_find_directory_result_free ()">gnome_vfs_find_directory_result_free</a>
(<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSFindDirectoryResult" title="GnomeVFSFindDirectoryResult"><span class="type">GnomeVFSFindDirectoryResult</span></a> *result</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="gnome-vfs-2.0-gnome-vfs-async-ops.description"></a><h2>Description</h2>
<p>
When executing an asynchornous operation on a file the program does not
block waiting for the operation to finish, instead it keeps on running,
which means that the process and the I/O operation can be both running
concurrently. Once the I/O operation has been completed the process is
notified using a callback.
</p>
<p>
Asynchronous operations are particularly good when long I/O operations
are expected, in this case the program can continue normaly, the I/O
will be performed in the background. On the other hand when operations
are expected to be short (creating a file, writing/reading small amounts
of data, etc.) synchronous operations are prefered.
</p>
<p>
Within a graphical desktop asynchornous I/O operations can be used to
avoid blocking the UI (User Interface) during a long operation, and
to be able to provide some kind of feedback to the user.
</p>
</div>
<div class="refsect1">
<a name="gnome-vfs-2.0-gnome-vfs-async-ops.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="GNOME-VFS-PRIORITY-MIN:CAPS"></a><h3>GNOME_VFS_PRIORITY_MIN</h3>
<pre class="programlisting">#define GNOME_VFS_PRIORITY_MIN -10
</pre>
<p>
The minimuum priority a job can have.
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNOME-VFS-PRIORITY-MAX:CAPS"></a><h3>GNOME_VFS_PRIORITY_MAX</h3>
<pre class="programlisting">#define GNOME_VFS_PRIORITY_MAX 10
</pre>
<p>
The maximuum priority a job can have.
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNOME-VFS-PRIORITY-DEFAULT:CAPS"></a><h3>GNOME_VFS_PRIORITY_DEFAULT</h3>
<pre class="programlisting">#define GNOME_VFS_PRIORITY_DEFAULT 0
</pre>
<p>
The default job priority. Its best to use this
unless you have a reason to do otherwise.
</p>
</div>
<hr>
<div class="refsect2">
<a name="GnomeVFSAsyncHandle"></a><h3>GnomeVFSAsyncHandle</h3>
<pre class="programlisting">typedef struct GnomeVFSAsyncHandle GnomeVFSAsyncHandle;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GnomeVFSAsyncCallback"></a><h3>GnomeVFSAsyncCallback ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> (*GnomeVFSAsyncCallback) (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="type">GnomeVFSResult</span></a> result</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);</pre>
<p>
Basic callback from an async operation that passes no data back,
informing the user of the <em class="parameter"><code>result</code></em> of the operation.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td>handle of the operation generating the callback</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>result</code></em> :</span></p></td>
<td>
<a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GNOME-VFS-OK:CAPS"><code class="literal">GNOME_VFS_OK</code></a> if the operation was successful, otherwise
an error code.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback_data</code></em> :</span></p></td>
<td>user data defined when the callback was established</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GnomeVFSAsyncOpenCallback"></a><h3>GnomeVFSAsyncOpenCallback ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> (*GnomeVFSAsyncOpenCallback) (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="type">GnomeVFSResult</span></a> result</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);</pre>
<p>
Callback for the <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-open" title="gnome_vfs_async_open ()"><code class="function">gnome_vfs_async_open()</code></a> function,
informing the user of the <em class="parameter"><code>result</code></em> of the operation.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td>handle of the operation generating the callback</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>result</code></em> :</span></p></td>
<td>
<a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GNOME-VFS-OK:CAPS"><code class="literal">GNOME_VFS_OK</code></a> if the operation was successful, otherwise
an error code.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback_data</code></em> :</span></p></td>
<td>user data defined when the callback was established</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GnomeVFSAsyncOpenAsChannelCallback"></a><h3>GnomeVFSAsyncOpenAsChannelCallback ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> (*GnomeVFSAsyncOpenAsChannelCallback)
(<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code><span class="type">GIOChannel</span> *channel</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="type">GnomeVFSResult</span></a> result</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">GnomeVFSAsyncOpenAsChannelCallback</code> is deprecated and should not be used in newly-written code.</p>
</div>
<p>
Callback for the <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-open-as-channel" title="gnome_vfs_async_open_as_channel ()"><code class="function">gnome_vfs_async_open_as_channel()</code></a> function,
informing the user of the <em class="parameter"><code>result</code></em> of the operation.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td>handle of the operation generating the callback.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>channel</code></em> :</span></p></td>
<td>a <span class="type">GIOChannel</span> corresponding to the file opened</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>result</code></em> :</span></p></td>
<td>
<a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GNOME-VFS-OK:CAPS"><code class="literal">GNOME_VFS_OK</code></a> if the operation was successful, otherwise
an error code.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback_data</code></em> :</span></p></td>
<td>user data defined when the callback was established.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GnomeVFSAsyncCreateCallback"></a><h3>GnomeVFSAsyncCreateCallback ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> (*GnomeVFSAsyncCreateCallback) (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="type">GnomeVFSResult</span></a> result</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);</pre>
<p>
Callback for the <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-create" title="gnome_vfs_async_create ()"><code class="function">gnome_vfs_async_create()</code></a> function,
informing the user of the <em class="parameter"><code>result</code></em> of the operation.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td>handle of the operation generating the callback</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>result</code></em> :</span></p></td>
<td>
<a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GNOME-VFS-OK:CAPS"><code class="literal">GNOME_VFS_OK</code></a> if the operation was successful, otherwise
an error code.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback_data</code></em> :</span></p></td>
<td>user data defined when the callback was established</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GnomeVFSAsyncCreateAsChannelCallback"></a><h3>GnomeVFSAsyncCreateAsChannelCallback ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> (*GnomeVFSAsyncCreateAsChannelCallback)
(<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code><span class="type">GIOChannel</span> *channel</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="type">GnomeVFSResult</span></a> result</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">GnomeVFSAsyncCreateAsChannelCallback</code> is deprecated and should not be used in newly-written code.</p>
</div>
<p>
Callback for the <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-create-as-channel" title="gnome_vfs_async_create_as_channel ()"><code class="function">gnome_vfs_async_create_as_channel()</code></a> function,
informing the user of the <em class="parameter"><code>result</code></em> of the operation.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td>handle of the operation generating the callback.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>channel</code></em> :</span></p></td>
<td>a <span class="type">GIOChannel</span> corresponding to the file created</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>result</code></em> :</span></p></td>
<td>
<a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GNOME-VFS-OK:CAPS"><code class="literal">GNOME_VFS_OK</code></a> if the operation was successful, otherwise
an error code.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback_data</code></em> :</span></p></td>
<td>user data defined when the callback was established.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GnomeVFSAsyncCloseCallback"></a><h3>GnomeVFSAsyncCloseCallback ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> (*GnomeVFSAsyncCloseCallback) (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="type">GnomeVFSResult</span></a> result</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);</pre>
<p>
Callback for the <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-close" title="gnome_vfs_async_close ()"><code class="function">gnome_vfs_async_close()</code></a> function,
informing the user of the <em class="parameter"><code>result</code></em> of the operation.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td>handle of the operation generating the callback</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>result</code></em> :</span></p></td>
<td>
<a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GNOME-VFS-OK:CAPS"><code class="literal">GNOME_VFS_OK</code></a> if the operation was successful, otherwise
an error code.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback_data</code></em> :</span></p></td>
<td>user data defined when the callback was established</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GnomeVFSAsyncReadCallback"></a><h3>GnomeVFSAsyncReadCallback ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> (*GnomeVFSAsyncReadCallback) (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="type">GnomeVFSResult</span></a> result</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> buffer</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-size.html#GnomeVFSFileSize" title="GnomeVFSFileSize"><span class="type">GnomeVFSFileSize</span></a> bytes_requested</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-size.html#GnomeVFSFileSize" title="GnomeVFSFileSize"><span class="type">GnomeVFSFileSize</span></a> bytes_read</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);</pre>
<p>
Callback for the <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-read" title="gnome_vfs_async_read ()"><code class="function">gnome_vfs_async_read()</code></a> function,
informing the user of the <em class="parameter"><code>result</code></em> of the operation.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td>handle of the operation generating the callback</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>result</code></em> :</span></p></td>
<td>
<a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GNOME-VFS-OK:CAPS"><code class="literal">GNOME_VFS_OK</code></a> if the operation was successful, otherwise
an error code.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>buffer containing data read from <em class="parameter"><code>handle</code></em>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>bytes_requested</code></em> :</span></p></td>
<td>the number of bytes asked for in the call to
<a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-read" title="gnome_vfs_async_read ()"><code class="function">gnome_vfs_async_read()</code></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>bytes_read</code></em> :</span></p></td>
<td>the number of bytes actually read from <em class="parameter"><code>handle</code></em> into <em class="parameter"><code>buffer</code></em>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback_data</code></em> :</span></p></td>
<td>user data defined when the callback was established</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GnomeVFSAsyncWriteCallback"></a><h3>GnomeVFSAsyncWriteCallback ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> (*GnomeVFSAsyncWriteCallback) (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="type">GnomeVFSResult</span></a> result</code></em>,
<em class="parameter"><code><span class="type">gconstpointer</span> buffer</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-size.html#GnomeVFSFileSize" title="GnomeVFSFileSize"><span class="type">GnomeVFSFileSize</span></a> bytes_requested</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-size.html#GnomeVFSFileSize" title="GnomeVFSFileSize"><span class="type">GnomeVFSFileSize</span></a> bytes_written</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);</pre>
<p>
Callback for the <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-write" title="gnome_vfs_async_write ()"><code class="function">gnome_vfs_async_write()</code></a> function,
informing the user of the <em class="parameter"><code>result</code></em> of the operation.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td>handle of the operation generating the callback</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>result</code></em> :</span></p></td>
<td>
<a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GNOME-VFS-OK:CAPS"><code class="literal">GNOME_VFS_OK</code></a> if the operation was successful, otherwise
an error code.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>buffer containing data written to <em class="parameter"><code>handle</code></em>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>bytes_requested</code></em> :</span></p></td>
<td>the number of bytes asked to write in the call to
<a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-write" title="gnome_vfs_async_write ()"><code class="function">gnome_vfs_async_write()</code></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>bytes_written</code></em> :</span></p></td>
<td>the number of bytes actually written to <em class="parameter"><code>handle</code></em> from <em class="parameter"><code>buffer</code></em>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback_data</code></em> :</span></p></td>
<td>user data defined when the callback was established.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GnomeVFSAsyncSeekCallback"></a><h3>GnomeVFSAsyncSeekCallback ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> (*GnomeVFSAsyncSeekCallback) (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="type">GnomeVFSResult</span></a> result</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);</pre>
<p>
Callback for the <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-seek" title="gnome_vfs_async_seek ()"><code class="function">gnome_vfs_async_seek()</code></a> function,
informing the user of the <em class="parameter"><code>result</code></em> of the operation.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td>handle of the operation generating the callback</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>result</code></em> :</span></p></td>
<td>
<a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GNOME-VFS-OK:CAPS"><code class="literal">GNOME_VFS_OK</code></a> if the operation was successful, otherwise
an error code.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback_data</code></em> :</span></p></td>
<td>user data defined when the callback was established.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GnomeVFSAsyncGetFileInfoCallback"></a><h3>GnomeVFSAsyncGetFileInfoCallback ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> (*GnomeVFSAsyncGetFileInfoCallback) (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code><span class="type">GList</span> *results</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);</pre>
<p>
Callback for the <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-get-file-info" title="gnome_vfs_async_get_file_info ()"><code class="function">gnome_vfs_async_get_file_info()</code></a> function,
informing the user of the <em class="parameter"><code>results</code></em> of the operation.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td>handle of the operation generating the callback</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>results</code></em> :</span></p></td>
<td>
<span class="type">GList</span> of <span class="type">GnomeVFSFileInfoResult</span> * items representing
the success of each <a class="link" href="gnome-vfs-2.0-gnome-vfs-file-info-ops.html#gnome-vfs-get-file-info" title="gnome_vfs_get_file_info ()"><code class="function">gnome_vfs_get_file_info()</code></a> and the data retrieved.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback_data</code></em> :</span></p></td>
<td>user data defined when the callback was established.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GnomeVFSAsyncSetFileInfoCallback"></a><h3>GnomeVFSAsyncSetFileInfoCallback ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> (*GnomeVFSAsyncSetFileInfoCallback) (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="type">GnomeVFSResult</span></a> result</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-info.html#GnomeVFSFileInfo" title="GnomeVFSFileInfo"><span class="type">GnomeVFSFileInfo</span></a> *file_info</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);</pre>
<p>
Callback for the <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-set-file-info" title="gnome_vfs_async_set_file_info ()"><code class="function">gnome_vfs_async_set_file_info()</code></a> function,
informing the user of the <em class="parameter"><code>result</code></em> of the operation and
returning the new <em class="parameter"><code>file_info</code></em>.
</p>
<p>
</p>
<div class="note" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Note</h3>
<p>
Setting the file info sometimes changes more information than the
caller specified; for example, if the name changes the MIME type might
change, and if the owner changes the SUID & SGID bits might change.
Therefore the callback returns the new <em class="parameter"><code>file_info</code></em> for the caller's
convenience. The GnomeVFSFileInfoOptions passed here are those used
for the returned file info; they are not used when setting.
</p>
</div>
<p>
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td>handle of the operation generating the callback</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>result</code></em> :</span></p></td>
<td>
<a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GNOME-VFS-OK:CAPS"><code class="literal">GNOME_VFS_OK</code></a> if the operation was successful, otherwise a
<a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="type">GnomeVFSResult</span></a> error code.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>file_info</code></em> :</span></p></td>
<td>if <em class="parameter"><code>result</code></em> is <a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GNOME-VFS-OK:CAPS"><code class="literal">GNOME_VFS_OK</code></a>, a <a class="link" href="gnome-vfs-2.0-gnome-vfs-file-info.html#GnomeVFSFileInfo" title="GnomeVFSFileInfo"><span class="type">GnomeVFSFileInfo</span></a> struct containing
information about the file.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback_data</code></em> :</span></p></td>
<td>user data defined when the callback was established</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GnomeVFSAsyncFileControlCallback"></a><h3>GnomeVFSAsyncFileControlCallback ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> (*GnomeVFSAsyncFileControlCallback) (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="type">GnomeVFSResult</span></a> result</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> operation_data</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);</pre>
<p>
Callback for the <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-find-directory" title="gnome_vfs_async_find_directory ()"><code class="function">gnome_vfs_async_find_directory()</code></a> function.
informing the user of the <em class="parameter"><code>result</code></em> of the operation, and
providing the requested <em class="parameter"><code>operation_data</code></em>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td>handle of the operation generating the callback</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>result</code></em> :</span></p></td>
<td>
<a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GNOME-VFS-OK:CAPS"><code class="literal">GNOME_VFS_OK</code></a> if the operation was successful, otherwise a
<a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="type">GnomeVFSResult</span></a> error code.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>operation_data</code></em> :</span></p></td>
<td>The data requested from the module if <em class="parameter"><code>result</code></em>
is <a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GNOME-VFS-OK:CAPS"><code class="literal">GNOME_VFS_OK</code></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback_data</code></em> :</span></p></td>
<td>User data defined when the operation was established.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GnomeVFSAsyncDirectoryLoadCallback"></a><h3>GnomeVFSAsyncDirectoryLoadCallback ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> (*GnomeVFSAsyncDirectoryLoadCallback)
(<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="type">GnomeVFSResult</span></a> result</code></em>,
<em class="parameter"><code><span class="type">GList</span> *list</code></em>,
<em class="parameter"><code><span class="type">guint</span> entries_read</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);</pre>
<p>
Callback for the <code class="function">gnome_vfs_async_directory_load()</code> function.
informing the user of the <em class="parameter"><code>result</code></em> of the operation and
providing a file <em class="parameter"><code>list</code></em> if the <em class="parameter"><code>result</code></em> is <a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GNOME-VFS-OK:CAPS"><code class="literal">GNOME_VFS_OK</code></a>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td>handle of the operation generating the callback.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>result</code></em> :</span></p></td>
<td>
<a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GNOME-VFS-OK:CAPS"><code class="literal">GNOME_VFS_OK</code></a> if the operation was sucessful,
<a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GNOME-VFS-ERROR-EOF:CAPS"><code class="literal">GNOME_VFS_ERROR_EOF</code></a> if the last file in the directory
has been read, otherwise a <a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="type">GnomeVFSResult</span></a> error code</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>list</code></em> :</span></p></td>
<td>a <span class="type">GList</span> of <a class="link" href="gnome-vfs-2.0-gnome-vfs-file-info.html#GnomeVFSFileInfo" title="GnomeVFSFileInfo"><span class="type">GnomeVFSFileInfo</span></a> structs representing
information about the files just loaded.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>entries_read</code></em> :</span></p></td>
<td>number of entries read from <em class="parameter"><code>handle</code></em> for this instance of
the callback.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback_data</code></em> :</span></p></td>
<td>user data defined when the callback was established.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GnomeVFSAsyncFindDirectoryCallback"></a><h3>GnomeVFSAsyncFindDirectoryCallback ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> (*GnomeVFSAsyncFindDirectoryCallback)
(<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code><span class="type">GList</span> *results</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> data</code></em>);</pre>
<p>
Callback for the <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-find-directory" title="gnome_vfs_async_find_directory ()"><code class="function">gnome_vfs_async_find_directory()</code></a> function,
informing the user of the <em class="parameter"><code>results</code></em> of the operation.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td>handle of the operation generating the callback</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>results</code></em> :</span></p></td>
<td>
<span class="type">GList</span> of <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSFindDirectoryResult" title="GnomeVFSFindDirectoryResult"><span class="type">GnomeVFSFindDirectoryResult</span></a> *s containing
special directories matching the find criteria.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>user data defined when the operation was established</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GnomeVFSFindDirectoryResult"></a><h3>GnomeVFSFindDirectoryResult</h3>
<pre class="programlisting">typedef struct {
GnomeVFSURI *uri;
GnomeVFSResult result;
} GnomeVFSFindDirectoryResult;
</pre>
<p>
This structure is passed to a <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncFindDirectoryCallback" title="GnomeVFSAsyncFindDirectoryCallback ()"><span class="type">GnomeVFSAsyncFindDirectoryCallback</span></a>
by <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-find-directory" title="gnome_vfs_async_find_directory ()"><code class="function">gnome_vfs_async_find_directory()</code></a> and contains the information
associated with a single <a class="link" href="gnome-vfs-2.0-gnome-vfs-uri.html#GnomeVFSURI" title="GnomeVFSURI"><span class="type">GnomeVFSURI</span></a> matching the specified
find request.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><a class="link" href="gnome-vfs-2.0-gnome-vfs-uri.html#GnomeVFSURI" title="GnomeVFSURI"><span class="type">GnomeVFSURI</span></a> *<em class="structfield"><code><a name="GnomeVFSFindDirectoryResult.uri"></a>uri</code></em>;</span></p></td>
<td>The <a class="link" href="gnome-vfs-2.0-gnome-vfs-uri.html#GnomeVFSURI" title="GnomeVFSURI"><span class="type">GnomeVFSURI</span></a> that was found.</td>
</tr>
<tr>
<td><p><span class="term"><a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="type">GnomeVFSResult</span></a> <em class="structfield"><code><a name="GnomeVFSFindDirectoryResult.result"></a>result</code></em>;</span></p></td>
<td>The <a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="type">GnomeVFSResult</span></a> that was obtained when finding <em class="parameter"><code>uri</code></em>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GnomeVFSAsyncXferProgressCallback"></a><h3>GnomeVFSAsyncXferProgressCallback ()</h3>
<pre class="programlisting"><span class="returnvalue">gint</span> (*GnomeVFSAsyncXferProgressCallback)
(<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-xfer.html#GnomeVFSXferProgressInfo" title="GnomeVFSXferProgressInfo"><span class="type">GnomeVFSXferProgressInfo</span></a> *info</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> user_data</code></em>);</pre>
<p>
This callback is passed to <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-xfer" title="gnome_vfs_async_xfer ()"><code class="function">gnome_vfs_async_xfer()</code></a> and should
be used for user interaction. That said, it serves two purposes:
Informing the user about the progress of the operation, and
making decisions.
</p>
<p>
On the one hand, when the transfer progresses normally,
i.e. when the <em class="parameter"><code>info</code></em>'s status is <a class="link" href="gnome-vfs-2.0-gnome-vfs-xfer.html#GNOME-VFS-XFER-PROGRESS-STATUS-OK:CAPS"><code class="literal">GNOME_VFS_XFER_PROGRESS_STATUS_OK</code></a>
it is called periodically whenever new progress information
is available, and it wasn't called already within the last
100 milliseconds.
</p>
<p>
On the other hand, it is called whenever a decision is
requested from the user, i.e. whenever the <em class="parameter"><code>info</code></em>'s <code class="literal">status</code>
is not <a class="link" href="gnome-vfs-2.0-gnome-vfs-xfer.html#GNOME-VFS-XFER-PROGRESS-STATUS-OK:CAPS"><code class="literal">GNOME_VFS_XFER_PROGRESS_STATUS_OK</code></a>.
</p>
<p>
Either way, it acts like <a class="link" href="gnome-vfs-2.0-gnome-vfs-xfer.html#GnomeVFSXferProgressCallback" title="GnomeVFSXferProgressCallback ()"><span class="type">GnomeVFSXferProgressCallback</span></a>
would act in non-asynchronous mode. The differences in
invocation are explained in the <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-xfer" title="gnome_vfs_async_xfer ()"><code class="function">gnome_vfs_async_xfer()</code></a>
documentation.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td>Handle of the Xfer operation generating the callback.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>info</code></em> :</span></p></td>
<td>Information on the current progress in the transfer.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>The user data that was passed to <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-xfer" title="gnome_vfs_async_xfer ()"><code class="function">gnome_vfs_async_xfer()</code></a>.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<code class="literal">gint</code> depending on the <a class="link" href="gnome-vfs-2.0-gnome-vfs-xfer.html#GnomeVFSXferProgressInfo" title="GnomeVFSXferProgressInfo"><span class="type">GnomeVFSXferProgressInfo</span></a>.
Please consult <a class="link" href="gnome-vfs-2.0-gnome-vfs-xfer.html#GnomeVFSXferProgressCallback" title="GnomeVFSXferProgressCallback ()"><span class="type">GnomeVFSXferProgressCallback</span></a> for details.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GnomeVFSCancellation"></a><h3>GnomeVFSCancellation</h3>
<pre class="programlisting">typedef struct GnomeVFSCancellation GnomeVFSCancellation;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GnomeVFSContext"></a><h3>GnomeVFSContext</h3>
<pre class="programlisting">typedef struct GnomeVFSContext GnomeVFSContext;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnome-vfs-async-set-job-limit"></a><h3>gnome_vfs_async_set_job_limit ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gnome_vfs_async_set_job_limit (<em class="parameter"><code><span class="type">int</span> limit</code></em>);</pre>
<p>
Restrict the number of worker threads used by async operations
to <em class="parameter"><code>limit</code></em>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>limit</code></em> :</span></p></td>
<td>maximum number of allowable threads.</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gnome-vfs-async-get-job-limit"></a><h3>gnome_vfs_async_get_job_limit ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span> gnome_vfs_async_get_job_limit (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Get the current maximum allowable number of
worker threads for async operations.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>current maximum number of threads.</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gnome-vfs-async-cancel"></a><h3>gnome_vfs_async_cancel ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gnome_vfs_async_cancel (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>);</pre>
<p>
Cancel an asynchronous operation and close all its callbacks.
</p>
<p>
In a single-threaded application, its guaranteed that if you
call this before the operation finished callback has been called
the callback will never be called.
</p>
<p>
However, in a multithreaded application, or to be more specific, if
you call gnome_vfs_async_cancel from another thread than the thread
handling the glib mainloop, there is a race condition where if
the operation finished callback was just dispatched, you might
still cancel the operation. So, in this case you need to handle the
fact that the operation callback might still run even though another
thread has cancelled the operation.
</p>
<p>
One way to avoid problems from this is to mark the data structure you're
using as callback_data as destroyed, and then queue an idle and do the
actual freeing in an idle handler. The idle handler is guaranteed to run
after the callback has been exectuted, so by then it is safe to destroy
the callback_data. The callback handler must handle the case where the
callback_data is marked destroyed by doing nothing.
</p>
<p>
This is clearly not ideal for multithreaded applications, but as good as
we can with the current API. Eventually we'll have to change the API to
make this work better.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td>handle of the async operation to be cancelled.</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gnome-vfs-async-open"></a><h3>gnome_vfs_async_open ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gnome_vfs_async_open (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> **handle_return</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *text_uri</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-basic-ops.html#GnomeVFSOpenMode" title="enum GnomeVFSOpenMode"><span class="type">GnomeVFSOpenMode</span></a> open_mode</code></em>,
<em class="parameter"><code><span class="type">int</span> priority</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncOpenCallback" title="GnomeVFSAsyncOpenCallback ()"><span class="type">GnomeVFSAsyncOpenCallback</span></a> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);</pre>
<p>
Open <em class="parameter"><code>text_uri</code></em> according to mode <em class="parameter"><code>open_mode</code></em>. On return, <em class="parameter"><code>handle_return</code></em> will
contain a pointer to the operation. Once the file has been successfully opened,
<em class="parameter"><code>callback</code></em> will be called with the <a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="type">GnomeVFSResult</span></a>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle_return</code></em> :</span></p></td>
<td>pointer to a pointer to a <span class="type">GnomeVFSHandle</span> object.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>text_uri</code></em> :</span></p></td>
<td>string of the uri to open.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>open_mode</code></em> :</span></p></td>
<td>open mode.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>priority</code></em> :</span></p></td>
<td>a value from <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-MIN:CAPS" title="GNOME_VFS_PRIORITY_MIN"><code class="literal">GNOME_VFS_PRIORITY_MIN</code></a> to <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-MAX:CAPS" title="GNOME_VFS_PRIORITY_MAX"><code class="literal">GNOME_VFS_PRIORITY_MAX</code></a> (normally
should be <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-DEFAULT:CAPS" title="GNOME_VFS_PRIORITY_DEFAULT"><code class="literal">GNOME_VFS_PRIORITY_DEFAULT</code></a>) indicating the priority to assign to this job
in allocating threads from the thread pool.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback</code></em> :</span></p></td>
<td>function to be called when the operation is complete.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback_data</code></em> :</span></p></td>
<td>data to pass to <em class="parameter"><code>callback</code></em>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gnome-vfs-async-open-uri"></a><h3>gnome_vfs_async_open_uri ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gnome_vfs_async_open_uri (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> **handle_return</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-uri.html#GnomeVFSURI" title="GnomeVFSURI"><span class="type">GnomeVFSURI</span></a> *uri</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-basic-ops.html#GnomeVFSOpenMode" title="enum GnomeVFSOpenMode"><span class="type">GnomeVFSOpenMode</span></a> open_mode</code></em>,
<em class="parameter"><code><span class="type">int</span> priority</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncOpenCallback" title="GnomeVFSAsyncOpenCallback ()"><span class="type">GnomeVFSAsyncOpenCallback</span></a> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);</pre>
<p>
Open <em class="parameter"><code>uri</code></em> according to mode <em class="parameter"><code>open_mode</code></em>. On return, <em class="parameter"><code>handle_return</code></em> will
contain a pointer to the operation. Once the file has been successfully opened,
<em class="parameter"><code>callback</code></em> will be called with the <a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="type">GnomeVFSResult</span></a>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle_return</code></em> :</span></p></td>
<td>pointer to a pointer to a <span class="type">GnomeVFSHandle</span> object.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>uri</code></em> :</span></p></td>
<td>uri to open.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>open_mode</code></em> :</span></p></td>
<td>open mode.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>priority</code></em> :</span></p></td>
<td>a value from <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-MIN:CAPS" title="GNOME_VFS_PRIORITY_MIN"><code class="literal">GNOME_VFS_PRIORITY_MIN</code></a> to <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-MAX:CAPS" title="GNOME_VFS_PRIORITY_MAX"><code class="literal">GNOME_VFS_PRIORITY_MAX</code></a> (normally
should be <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-DEFAULT:CAPS" title="GNOME_VFS_PRIORITY_DEFAULT"><code class="literal">GNOME_VFS_PRIORITY_DEFAULT</code></a>) indicating the priority to assign to this job
in allocating threads from the thread pool.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback</code></em> :</span></p></td>
<td>function to be called when the operation is complete.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback_data</code></em> :</span></p></td>
<td>data to pass to <em class="parameter"><code>callback</code></em>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gnome-vfs-async-open-as-channel"></a><h3>gnome_vfs_async_open_as_channel ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gnome_vfs_async_open_as_channel (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> **handle_return</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *text_uri</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-basic-ops.html#GnomeVFSOpenMode" title="enum GnomeVFSOpenMode"><span class="type">GnomeVFSOpenMode</span></a> open_mode</code></em>,
<em class="parameter"><code><span class="type">guint</span> advised_block_size</code></em>,
<em class="parameter"><code><span class="type">int</span> priority</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncOpenAsChannelCallback" title="GnomeVFSAsyncOpenAsChannelCallback ()"><span class="type">GnomeVFSAsyncOpenAsChannelCallback</span></a> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">gnome_vfs_async_open_as_channel</code> is deprecated and should not be used in newly-written code.</p>
</div>
<p>
Open <em class="parameter"><code>text_uri</code></em> as a <span class="type">GIOChannel</span>. Once the channel has been established
<em class="parameter"><code>callback</code></em> will be called with <em class="parameter"><code>callback_data</code></em>, the result of the operation,
and if the result was <a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GNOME-VFS-OK:CAPS"><code class="literal">GNOME_VFS_OK</code></a>, a reference to a <span class="type">GIOChannel</span> pointing
at <em class="parameter"><code>text_uri</code></em> in <em class="parameter"><code>open_mode</code></em>.
</p>
<p>
This function has been deprecated due to behaving weirdly which suggests
that it hasn't been used. See bugs <span class="type">157266</span>, <span class="type">157265</span>, <span class="type">157261</span>, <span class="type">138398</span> in
the GNOME Bugzilla. If the *_as_channel functions are needed they should be
fixed and undeprecated.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle_return</code></em> :</span></p></td>
<td>pointer to a pointer to a <span class="type">GnomeVFSHandle</span> object.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>text_uri</code></em> :</span></p></td>
<td>string of the uri to open as a <span class="type">GIOChannel</span>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>open_mode</code></em> :</span></p></td>
<td>open mode i.e. for reading, writing, random, etc.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>advised_block_size</code></em> :</span></p></td>
<td>the preferred block size for <span class="type">GIOChannel</span> to read.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>priority</code></em> :</span></p></td>
<td>a value from <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-MIN:CAPS" title="GNOME_VFS_PRIORITY_MIN"><code class="literal">GNOME_VFS_PRIORITY_MIN</code></a> to <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-MAX:CAPS" title="GNOME_VFS_PRIORITY_MAX"><code class="literal">GNOME_VFS_PRIORITY_MAX</code></a> (normally
should be <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-DEFAULT:CAPS" title="GNOME_VFS_PRIORITY_DEFAULT"><code class="literal">GNOME_VFS_PRIORITY_DEFAULT</code></a>) indicating the priority to assign this job
in allocating threads from the thread pool.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback</code></em> :</span></p></td>
<td>function to be called when the operation is complete.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback_data</code></em> :</span></p></td>
<td>data to pass to <em class="parameter"><code>callback</code></em>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gnome-vfs-async-open-uri-as-channel"></a><h3>gnome_vfs_async_open_uri_as_channel ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gnome_vfs_async_open_uri_as_channel (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> **handle_return</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-uri.html#GnomeVFSURI" title="GnomeVFSURI"><span class="type">GnomeVFSURI</span></a> *uri</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-basic-ops.html#GnomeVFSOpenMode" title="enum GnomeVFSOpenMode"><span class="type">GnomeVFSOpenMode</span></a> open_mode</code></em>,
<em class="parameter"><code><span class="type">guint</span> advised_block_size</code></em>,
<em class="parameter"><code><span class="type">int</span> priority</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncOpenAsChannelCallback" title="GnomeVFSAsyncOpenAsChannelCallback ()"><span class="type">GnomeVFSAsyncOpenAsChannelCallback</span></a> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">gnome_vfs_async_open_uri_as_channel</code> is deprecated and should not be used in newly-written code. This function has been deprecated due to behaving weirdly which suggests
that it shouldn't be used. See bugs <span class="type">157266</span>, <span class="type">157265</span>, <span class="type">157261</span>, <span class="type">138398</span> in
the GNOME Bugzilla. If the *_as_channel functions are needed they should be
fixed and undeprecated.</p>
</div>
<p>
Open <em class="parameter"><code>uri</code></em> as a <span class="type">GIOChannel</span>. Once the channel has been established
<em class="parameter"><code>callback</code></em> will be called with <em class="parameter"><code>callback_data</code></em>, the result of the operation,
and if the result was <a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GNOME-VFS-OK:CAPS"><code class="literal">GNOME_VFS_OK</code></a>, a reference to a <span class="type">GIOChannel</span> pointing
at <em class="parameter"><code>uri</code></em> in <em class="parameter"><code>open_mode</code></em>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle_return</code></em> :</span></p></td>
<td>pointer to a pointer to a <span class="type">GnomeVFSHandle</span> object.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>uri</code></em> :</span></p></td>
<td>uri to open as a <span class="type">GIOChannel</span>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>open_mode</code></em> :</span></p></td>
<td>open mode i.e. for reading, writing, random, etc.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>advised_block_size</code></em> :</span></p></td>
<td>the preferred block size for <span class="type">GIOChannel</span> to read.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>priority</code></em> :</span></p></td>
<td>a value from <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-MIN:CAPS" title="GNOME_VFS_PRIORITY_MIN"><code class="literal">GNOME_VFS_PRIORITY_MIN</code></a> to <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-MAX:CAPS" title="GNOME_VFS_PRIORITY_MAX"><code class="literal">GNOME_VFS_PRIORITY_MAX</code></a> (normally
should be <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-DEFAULT:CAPS" title="GNOME_VFS_PRIORITY_DEFAULT"><code class="literal">GNOME_VFS_PRIORITY_DEFAULT</code></a>) indicating the priority to assign this job
in allocating threads from the thread pool.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback</code></em> :</span></p></td>
<td>function to be called when the operation is complete.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback_data</code></em> :</span></p></td>
<td>data to pass to <em class="parameter"><code>callback</code></em>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gnome-vfs-async-create"></a><h3>gnome_vfs_async_create ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gnome_vfs_async_create (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> **handle_return</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *text_uri</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-basic-ops.html#GnomeVFSOpenMode" title="enum GnomeVFSOpenMode"><span class="type">GnomeVFSOpenMode</span></a> open_mode</code></em>,
<em class="parameter"><code><span class="type">gboolean</span> exclusive</code></em>,
<em class="parameter"><code><span class="type">guint</span> perm</code></em>,
<em class="parameter"><code><span class="type">int</span> priority</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncOpenCallback" title="GnomeVFSAsyncOpenCallback ()"><span class="type">GnomeVFSAsyncOpenCallback</span></a> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);</pre>
<p>
Create a file at <em class="parameter"><code>uri</code></em> according to mode <em class="parameter"><code>open_mode</code></em>, with permissions <em class="parameter"><code>perm</code></em> (in
the standard UNIX packed bit permissions format). When the create has been completed
<em class="parameter"><code>callback</code></em> will be called with the result code and <em class="parameter"><code>callback_data</code></em>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle_return</code></em> :</span></p></td>
<td>pointer to a pointer to a <span class="type">GnomeVFSHandle</span> object.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>text_uri</code></em> :</span></p></td>
<td>string representing the uri to create.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>open_mode</code></em> :</span></p></td>
<td>mode to leave the file opened in after creation (or <code class="literal">GNOME_VFS_OPEN_MODE_NONE</code>
to leave the file closed after creation).</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>exclusive</code></em> :</span></p></td>
<td>whether the file should be created in "exclusive" mode:
i.e. if this flag is nonzero, operation will fail if a file with the
same name already exists.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>perm</code></em> :</span></p></td>
<td>bitmap representing the permissions for the newly created file
(Unix style).</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>priority</code></em> :</span></p></td>
<td>a value from <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-MIN:CAPS" title="GNOME_VFS_PRIORITY_MIN"><code class="literal">GNOME_VFS_PRIORITY_MIN</code></a> to <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-MAX:CAPS" title="GNOME_VFS_PRIORITY_MAX"><code class="literal">GNOME_VFS_PRIORITY_MAX</code></a> (normally
should be <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-DEFAULT:CAPS" title="GNOME_VFS_PRIORITY_DEFAULT"><code class="literal">GNOME_VFS_PRIORITY_DEFAULT</code></a>) indicating the priority to assign this job
in allocating threads from the thread pool.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback</code></em> :</span></p></td>
<td>function to be called when the operation is complete.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback_data</code></em> :</span></p></td>
<td>data to pass to <em class="parameter"><code>callback</code></em>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gnome-vfs-async-create-uri"></a><h3>gnome_vfs_async_create_uri ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gnome_vfs_async_create_uri (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> **handle_return</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-uri.html#GnomeVFSURI" title="GnomeVFSURI"><span class="type">GnomeVFSURI</span></a> *uri</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-basic-ops.html#GnomeVFSOpenMode" title="enum GnomeVFSOpenMode"><span class="type">GnomeVFSOpenMode</span></a> open_mode</code></em>,
<em class="parameter"><code><span class="type">gboolean</span> exclusive</code></em>,
<em class="parameter"><code><span class="type">guint</span> perm</code></em>,
<em class="parameter"><code><span class="type">int</span> priority</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncOpenCallback" title="GnomeVFSAsyncOpenCallback ()"><span class="type">GnomeVFSAsyncOpenCallback</span></a> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);</pre>
<p>
Create a file at <em class="parameter"><code>uri</code></em> according to mode <em class="parameter"><code>open_mode</code></em>, with permissions <em class="parameter"><code>perm</code></em> (in
the standard UNIX packed bit permissions format). When the create has been completed
<em class="parameter"><code>callback</code></em> will be called with the result code and <em class="parameter"><code>callback_data</code></em>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle_return</code></em> :</span></p></td>
<td>pointer to a pointer to a <span class="type">GnomeVFSHandle</span> object.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>uri</code></em> :</span></p></td>
<td>uri to create a file at.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>open_mode</code></em> :</span></p></td>
<td>mode to leave the file opened in after creation (or <code class="literal">GNOME_VFS_OPEN_MODE_NONE</code>
to leave the file closed after creation).</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>exclusive</code></em> :</span></p></td>
<td>Whether the file should be created in "exclusive" mode:
i.e. if this flag is nonzero, operation will fail if a file with the
same name already exists.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>perm</code></em> :</span></p></td>
<td>bitmap representing the permissions for the newly created file
(Unix style).</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>priority</code></em> :</span></p></td>
<td>a value from <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-MIN:CAPS" title="GNOME_VFS_PRIORITY_MIN"><code class="literal">GNOME_VFS_PRIORITY_MIN</code></a> to <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-MAX:CAPS" title="GNOME_VFS_PRIORITY_MAX"><code class="literal">GNOME_VFS_PRIORITY_MAX</code></a> (normally
should be <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-DEFAULT:CAPS" title="GNOME_VFS_PRIORITY_DEFAULT"><code class="literal">GNOME_VFS_PRIORITY_DEFAULT</code></a>) indicating the priority to assign this job
in allocating threads from the thread pool.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback</code></em> :</span></p></td>
<td>function to be called when the operation is complete.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback_data</code></em> :</span></p></td>
<td>data to pass to <em class="parameter"><code>callback</code></em>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gnome-vfs-async-create-symbolic-link"></a><h3>gnome_vfs_async_create_symbolic_link ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gnome_vfs_async_create_symbolic_link
(<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> **handle_return</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-uri.html#GnomeVFSURI" title="GnomeVFSURI"><span class="type">GnomeVFSURI</span></a> *uri</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *uri_reference</code></em>,
<em class="parameter"><code><span class="type">int</span> priority</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncOpenCallback" title="GnomeVFSAsyncOpenCallback ()"><span class="type">GnomeVFSAsyncOpenCallback</span></a> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);</pre>
<p>
Create a symbolic link at <em class="parameter"><code>uri</code></em> pointing to <em class="parameter"><code>uri_reference</code></em>. When the operation
has completed <em class="parameter"><code>callback</code></em> will be called with the result of the operation and
<em class="parameter"><code>callback_data</code></em>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle_return</code></em> :</span></p></td>
<td>when the function returns, will point to a handle for
the async operation.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>uri</code></em> :</span></p></td>
<td>location to create the link at.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>uri_reference</code></em> :</span></p></td>
<td>location to point <em class="parameter"><code>uri</code></em> to (can be a uri fragment, i.e. relative).</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>priority</code></em> :</span></p></td>
<td>a value from <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-MIN:CAPS" title="GNOME_VFS_PRIORITY_MIN"><code class="literal">GNOME_VFS_PRIORITY_MIN</code></a> to <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-MAX:CAPS" title="GNOME_VFS_PRIORITY_MAX"><code class="literal">GNOME_VFS_PRIORITY_MAX</code></a> (normally
should be <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-DEFAULT:CAPS" title="GNOME_VFS_PRIORITY_DEFAULT"><code class="literal">GNOME_VFS_PRIORITY_DEFAULT</code></a>) indicating the priority to assign to this job
in allocating threads from the thread pool.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback</code></em> :</span></p></td>
<td>function to be called when the operation is complete.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback_data</code></em> :</span></p></td>
<td>data to pass to <em class="parameter"><code>callback</code></em>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gnome-vfs-async-create-as-channel"></a><h3>gnome_vfs_async_create_as_channel ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gnome_vfs_async_create_as_channel (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> **handle_return</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *text_uri</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-basic-ops.html#GnomeVFSOpenMode" title="enum GnomeVFSOpenMode"><span class="type">GnomeVFSOpenMode</span></a> open_mode</code></em>,
<em class="parameter"><code><span class="type">gboolean</span> exclusive</code></em>,
<em class="parameter"><code><span class="type">guint</span> perm</code></em>,
<em class="parameter"><code><span class="type">int</span> priority</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncCreateAsChannelCallback" title="GnomeVFSAsyncCreateAsChannelCallback ()"><span class="type">GnomeVFSAsyncCreateAsChannelCallback</span></a> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">gnome_vfs_async_create_as_channel</code> is deprecated and should not be used in newly-written code.</p>
</div>
<p>
Open <em class="parameter"><code>text_uri</code></em> as a <span class="type">GIOChannel</span>, creating it as necessary. Once the channel has
been established <em class="parameter"><code>callback</code></em> will be called with <em class="parameter"><code>callback_data</code></em>, the result of the
operation, and if the result was <a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GNOME-VFS-OK:CAPS"><code class="literal">GNOME_VFS_OK</code></a>, a reference to a <span class="type">GIOChannel</span> pointing
at <em class="parameter"><code>text_uri</code></em> in <em class="parameter"><code>open_mode</code></em>.
</p>
<p>
This function has been deprecated due to behaving weirdly which suggests
that it hasn't been used. See bugs <span class="type">157266</span>, <span class="type">157265</span>, <span class="type">157261</span>, <span class="type">138398</span> in
the GNOME Bugzilla. If the *_as_channel functions are needed they should be
fixed and undeprecated.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle_return</code></em> :</span></p></td>
<td>pointer to a pointer to a <span class="type">GnomeVFSHandle</span> object.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>text_uri</code></em> :</span></p></td>
<td>string of the uri to open as a <span class="type">GIOChannel</span>, creating it as necessary.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>open_mode</code></em> :</span></p></td>
<td>open mode i.e. for reading, writing, random, etc.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>exclusive</code></em> :</span></p></td>
<td>replace the file if it already exists.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>perm</code></em> :</span></p></td>
<td>standard POSIX-style permissions bitmask, permissions of created file.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>priority</code></em> :</span></p></td>
<td>a value from <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-MIN:CAPS" title="GNOME_VFS_PRIORITY_MIN"><code class="literal">GNOME_VFS_PRIORITY_MIN</code></a> to <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-MAX:CAPS" title="GNOME_VFS_PRIORITY_MAX"><code class="literal">GNOME_VFS_PRIORITY_MAX</code></a> (normally
should be <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-DEFAULT:CAPS" title="GNOME_VFS_PRIORITY_DEFAULT"><code class="literal">GNOME_VFS_PRIORITY_DEFAULT</code></a>) indicating the priority to assign this job
in allocating threads from the thread pool.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback</code></em> :</span></p></td>
<td>function to be called when the operation is complete.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback_data</code></em> :</span></p></td>
<td>data to pass to <em class="parameter"><code>callback</code></em>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gnome-vfs-async-create-uri-as-channel"></a><h3>gnome_vfs_async_create_uri_as_channel ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gnome_vfs_async_create_uri_as_channel
(<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> **handle_return</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-uri.html#GnomeVFSURI" title="GnomeVFSURI"><span class="type">GnomeVFSURI</span></a> *uri</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-basic-ops.html#GnomeVFSOpenMode" title="enum GnomeVFSOpenMode"><span class="type">GnomeVFSOpenMode</span></a> open_mode</code></em>,
<em class="parameter"><code><span class="type">gboolean</span> exclusive</code></em>,
<em class="parameter"><code><span class="type">guint</span> perm</code></em>,
<em class="parameter"><code><span class="type">int</span> priority</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncCreateAsChannelCallback" title="GnomeVFSAsyncCreateAsChannelCallback ()"><span class="type">GnomeVFSAsyncCreateAsChannelCallback</span></a> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">gnome_vfs_async_create_uri_as_channel</code> is deprecated and should not be used in newly-written code.</p>
</div>
<p>
Open <em class="parameter"><code>uri</code></em> as a <span class="type">GIOChannel</span>, creating it as necessary. Once the channel has
been established <em class="parameter"><code>callback</code></em> will be called with <em class="parameter"><code>callback_data</code></em>, the result of the
operation, and if the result was <a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GNOME-VFS-OK:CAPS"><code class="literal">GNOME_VFS_OK</code></a>, a reference to a <span class="type">GIOChannel</span> pointing
at <em class="parameter"><code>text_uri</code></em> in <em class="parameter"><code>open_mode</code></em>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle_return</code></em> :</span></p></td>
<td>pointer to a pointer to a <span class="type">GnomeVFSHandle</span> object.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>uri</code></em> :</span></p></td>
<td>uri to open as a <span class="type">GIOChannel</span>, creating it as necessary.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>open_mode</code></em> :</span></p></td>
<td>open mode i.e. for reading, writing, random, etc.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>exclusive</code></em> :</span></p></td>
<td>replace the file if it already exists.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>perm</code></em> :</span></p></td>
<td>standard POSIX-style permissions bitmask, permissions of created file.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>priority</code></em> :</span></p></td>
<td>a value from <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-MIN:CAPS" title="GNOME_VFS_PRIORITY_MIN"><code class="literal">GNOME_VFS_PRIORITY_MIN</code></a> to <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-MAX:CAPS" title="GNOME_VFS_PRIORITY_MAX"><code class="literal">GNOME_VFS_PRIORITY_MAX</code></a> (normally
should be <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-DEFAULT:CAPS" title="GNOME_VFS_PRIORITY_DEFAULT"><code class="literal">GNOME_VFS_PRIORITY_DEFAULT</code></a>) indicating the priority to assign this job
in allocating threads from the thread pool.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback</code></em> :</span></p></td>
<td>function to be called when the operation is complete.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback_data</code></em> :</span></p></td>
<td>data to pass to <em class="parameter"><code>callback</code></em>.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.12</p>
</div>
<hr>
<div class="refsect2">
<a name="gnome-vfs-async-close"></a><h3>gnome_vfs_async_close ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gnome_vfs_async_close (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncCloseCallback" title="GnomeVFSAsyncCloseCallback ()"><span class="type">GnomeVFSAsyncCloseCallback</span></a> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);</pre>
<p>
Close <em class="parameter"><code>handle</code></em> opened with <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#gnome-vfs-async-open" title="gnome_vfs_async_open ()"><code class="function">gnome_vfs_async_open()</code></a>. When the close
has completed, <em class="parameter"><code>callback</code></em> will be called with <em class="parameter"><code>callback_data</code></em> and
the result of the operation.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td>async handle to close.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback</code></em> :</span></p></td>
<td>function to be called when the operation is complete.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback_data</code></em> :</span></p></td>
<td>data to pass to <em class="parameter"><code>callback</code></em>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gnome-vfs-async-read"></a><h3>gnome_vfs_async_read ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gnome_vfs_async_read (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> buffer</code></em>,
<em class="parameter"><code><span class="type">guint</span> bytes</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncReadCallback" title="GnomeVFSAsyncReadCallback ()"><span class="type">GnomeVFSAsyncReadCallback</span></a> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);</pre>
<p>
Read <em class="parameter"><code>bytes</code></em> bytes from the file pointed to be <em class="parameter"><code>handle</code></em> into <em class="parameter"><code>buffer</code></em>.
When the operation is complete, <em class="parameter"><code>callback</code></em> will be called with the
result of the operation and <em class="parameter"><code>callback_data</code></em>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td>handle for the file to be read.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>allocated block of memory to read into.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>bytes</code></em> :</span></p></td>
<td>number of bytes to read.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback</code></em> :</span></p></td>
<td>function to be called when the operation is complete.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback_data</code></em> :</span></p></td>
<td>data to pass to <em class="parameter"><code>callback</code></em>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gnome-vfs-async-write"></a><h3>gnome_vfs_async_write ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gnome_vfs_async_write (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code><span class="type">gconstpointer</span> buffer</code></em>,
<em class="parameter"><code><span class="type">guint</span> bytes</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncWriteCallback" title="GnomeVFSAsyncWriteCallback ()"><span class="type">GnomeVFSAsyncWriteCallback</span></a> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);</pre>
<p>
Write <em class="parameter"><code>bytes</code></em> bytes from <em class="parameter"><code>buffer</code></em> into the file pointed to be <em class="parameter"><code>handle</code></em>.
When the operation is complete, <em class="parameter"><code>callback</code></em> will be called with the
result of the operation and <em class="parameter"><code>callback_data</code></em>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td>handle for the file to be written.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>block of memory containing data to be written.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>bytes</code></em> :</span></p></td>
<td>number of bytes to write.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback</code></em> :</span></p></td>
<td>function to be called when the operation is complete.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback_data</code></em> :</span></p></td>
<td>data to pass to <em class="parameter"><code>callback</code></em>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gnome-vfs-async-seek"></a><h3>gnome_vfs_async_seek ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gnome_vfs_async_seek (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-rw-ops.html#GnomeVFSSeekPosition" title="enum GnomeVFSSeekPosition"><span class="type">GnomeVFSSeekPosition</span></a> whence</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-size.html#GnomeVFSFileOffset" title="GnomeVFSFileOffset"><span class="type">GnomeVFSFileOffset</span></a> offset</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncSeekCallback" title="GnomeVFSAsyncSeekCallback ()"><span class="type">GnomeVFSAsyncSeekCallback</span></a> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);</pre>
<p>
Set the current position for reading/writing through <em class="parameter"><code>handle</code></em>.
When the operation is complete, <em class="parameter"><code>callback</code></em> will be called with the
result of the operation and <em class="parameter"><code>callback_data</code></em>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td>handle for which the current position must be changed.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>whence</code></em> :</span></p></td>
<td>integer value representing the starting position.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>offset</code></em> :</span></p></td>
<td>number of bytes to skip from the position specified by <em class="parameter"><code>whence</code></em>.
(a positive value means to move forward; a negative one to move backwards).</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback</code></em> :</span></p></td>
<td>function to be called when the operation is complete.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback_data</code></em> :</span></p></td>
<td>data to pass to <em class="parameter"><code>callback</code></em>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gnome-vfs-async-get-file-info"></a><h3>gnome_vfs_async_get_file_info ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gnome_vfs_async_get_file_info (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> **handle_return</code></em>,
<em class="parameter"><code><span class="type">GList</span> *uri_list</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-info.html#GnomeVFSFileInfoOptions" title="enum GnomeVFSFileInfoOptions"><span class="type">GnomeVFSFileInfoOptions</span></a> options</code></em>,
<em class="parameter"><code><span class="type">int</span> priority</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncGetFileInfoCallback" title="GnomeVFSAsyncGetFileInfoCallback ()"><span class="type">GnomeVFSAsyncGetFileInfoCallback</span></a> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);</pre>
<p>
Fetch information about the files indicated in <em class="parameter"><code>uri_list</code></em> and return the
information progressively to <em class="parameter"><code>callback</code></em>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle_return</code></em> :</span></p></td>
<td>when the function returns, will point to a handle for
the async operation.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>uri_list</code></em> :</span></p></td>
<td>a <span class="type">GList</span> of <a href="gnome-vfs-2.0-gnome-vfs-uri.html#GnomeVFSURI"><span class="type">GnomeVFSURIs</span></a> to fetch information about.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>options</code></em> :</span></p></td>
<td>packed boolean type providing control over various details
of the get_file_info operation.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>priority</code></em> :</span></p></td>
<td>a value from <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-MIN:CAPS" title="GNOME_VFS_PRIORITY_MIN"><code class="literal">GNOME_VFS_PRIORITY_MIN</code></a> to <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-MAX:CAPS" title="GNOME_VFS_PRIORITY_MAX"><code class="literal">GNOME_VFS_PRIORITY_MAX</code></a> (normally
should be <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-DEFAULT:CAPS" title="GNOME_VFS_PRIORITY_DEFAULT"><code class="literal">GNOME_VFS_PRIORITY_DEFAULT</code></a>) indicating the priority to assign this job
in allocating threads from the thread pool.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback</code></em> :</span></p></td>
<td>function to be called when the operation is complete.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback_data</code></em> :</span></p></td>
<td>data to pass to <em class="parameter"><code>callback</code></em>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gnome-vfs-async-set-file-info"></a><h3>gnome_vfs_async_set_file_info ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gnome_vfs_async_set_file_info (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> **handle_return</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-uri.html#GnomeVFSURI" title="GnomeVFSURI"><span class="type">GnomeVFSURI</span></a> *uri</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-info.html#GnomeVFSFileInfo" title="GnomeVFSFileInfo"><span class="type">GnomeVFSFileInfo</span></a> *info</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-info.html#GnomeVFSSetFileInfoMask" title="enum GnomeVFSSetFileInfoMask"><span class="type">GnomeVFSSetFileInfoMask</span></a> mask</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-info.html#GnomeVFSFileInfoOptions" title="enum GnomeVFSFileInfoOptions"><span class="type">GnomeVFSFileInfoOptions</span></a> options</code></em>,
<em class="parameter"><code><span class="type">int</span> priority</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncSetFileInfoCallback" title="GnomeVFSAsyncSetFileInfoCallback ()"><span class="type">GnomeVFSAsyncSetFileInfoCallback</span></a> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);</pre>
<p>
Set file info details about the file at <em class="parameter"><code>uri</code></em>, such as permissions, name,
owner, and modification time.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle_return</code></em> :</span></p></td>
<td>when the function returns, will point to a handle for
the async operation.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>uri</code></em> :</span></p></td>
<td>uri to set the file info of.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>info</code></em> :</span></p></td>
<td>the struct containing new information about the file.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>mask</code></em> :</span></p></td>
<td>control which fields of <em class="parameter"><code>info</code></em> are to be changed about the file at <em class="parameter"><code>uri</code></em>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>options</code></em> :</span></p></td>
<td>packed boolean type providing control over various details
of the set_file_info operation.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>priority</code></em> :</span></p></td>
<td>a value from <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-MIN:CAPS" title="GNOME_VFS_PRIORITY_MIN"><code class="literal">GNOME_VFS_PRIORITY_MIN</code></a> to <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-MAX:CAPS" title="GNOME_VFS_PRIORITY_MAX"><code class="literal">GNOME_VFS_PRIORITY_MAX</code></a> (normally
should be <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-DEFAULT:CAPS" title="GNOME_VFS_PRIORITY_DEFAULT"><code class="literal">GNOME_VFS_PRIORITY_DEFAULT</code></a>) indicating the priority to assign this job
in allocating threads from the thread pool.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback</code></em> :</span></p></td>
<td>function to be called when the operation is complete.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback_data</code></em> :</span></p></td>
<td>data to pass to <em class="parameter"><code>callback</code></em>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gnome-vfs-async-load-directory"></a><h3>gnome_vfs_async_load_directory ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gnome_vfs_async_load_directory (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> **handle_return</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *text_uri</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-info.html#GnomeVFSFileInfoOptions" title="enum GnomeVFSFileInfoOptions"><span class="type">GnomeVFSFileInfoOptions</span></a> options</code></em>,
<em class="parameter"><code><span class="type">guint</span> items_per_notification</code></em>,
<em class="parameter"><code><span class="type">int</span> priority</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncDirectoryLoadCallback" title="GnomeVFSAsyncDirectoryLoadCallback ()"><span class="type">GnomeVFSAsyncDirectoryLoadCallback</span></a> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);</pre>
<p>
Read the contents of the directory at <em class="parameter"><code>text_uri</code></em>, passing back <a class="link" href="gnome-vfs-2.0-gnome-vfs-file-info.html#GnomeVFSFileInfo" title="GnomeVFSFileInfo"><span class="type">GnomeVFSFileInfo</span></a>
structs about each file in the directory to <em class="parameter"><code>callback</code></em>. <em class="parameter"><code>items_per_notification</code></em>
files will be processed between each call to <em class="parameter"><code>callback</code></em>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle_return</code></em> :</span></p></td>
<td>when the function returns, will point to a handle for
the async operation.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>text_uri</code></em> :</span></p></td>
<td>string representing the uri of the directory to be loaded.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>options</code></em> :</span></p></td>
<td>packed boolean type providing control over various details
of the get_file_info operation.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>items_per_notification</code></em> :</span></p></td>
<td>number of files to process in a row before calling <em class="parameter"><code>callback</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>priority</code></em> :</span></p></td>
<td>a value from <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-MIN:CAPS" title="GNOME_VFS_PRIORITY_MIN"><code class="literal">GNOME_VFS_PRIORITY_MIN</code></a> to <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-MAX:CAPS" title="GNOME_VFS_PRIORITY_MAX"><code class="literal">GNOME_VFS_PRIORITY_MAX</code></a> (normally
should be <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-DEFAULT:CAPS" title="GNOME_VFS_PRIORITY_DEFAULT"><code class="literal">GNOME_VFS_PRIORITY_DEFAULT</code></a>) indicating the priority to assign to this job
in allocating threads from the thread pool.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback</code></em> :</span></p></td>
<td>function to be called when the operation is complete.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback_data</code></em> :</span></p></td>
<td>data to pass to <em class="parameter"><code>callback</code></em>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gnome-vfs-async-load-directory-uri"></a><h3>gnome_vfs_async_load_directory_uri ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gnome_vfs_async_load_directory_uri (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> **handle_return</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-uri.html#GnomeVFSURI" title="GnomeVFSURI"><span class="type">GnomeVFSURI</span></a> *uri</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-file-info.html#GnomeVFSFileInfoOptions" title="enum GnomeVFSFileInfoOptions"><span class="type">GnomeVFSFileInfoOptions</span></a> options</code></em>,
<em class="parameter"><code><span class="type">guint</span> items_per_notification</code></em>,
<em class="parameter"><code><span class="type">int</span> priority</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncDirectoryLoadCallback" title="GnomeVFSAsyncDirectoryLoadCallback ()"><span class="type">GnomeVFSAsyncDirectoryLoadCallback</span></a> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);</pre>
<p>
Read the contents of the directory at <em class="parameter"><code>uri</code></em>, passing back <a class="link" href="gnome-vfs-2.0-gnome-vfs-file-info.html#GnomeVFSFileInfo" title="GnomeVFSFileInfo"><span class="type">GnomeVFSFileInfo</span></a> structs
about each file in the directory to <em class="parameter"><code>callback</code></em>. <em class="parameter"><code>items_per_notification</code></em>
files will be processed between each call to <em class="parameter"><code>callback</code></em>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle_return</code></em> :</span></p></td>
<td>when the function returns, will point to a handle for
the async operation.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>uri</code></em> :</span></p></td>
<td>uri of the directory to be loaded.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>options</code></em> :</span></p></td>
<td>packed boolean type providing control over various details
of the get_file_info operation.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>items_per_notification</code></em> :</span></p></td>
<td>number of files to process in a row before calling <em class="parameter"><code>callback</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>priority</code></em> :</span></p></td>
<td>a value from <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-MIN:CAPS" title="GNOME_VFS_PRIORITY_MIN"><code class="literal">GNOME_VFS_PRIORITY_MIN</code></a> to <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-MAX:CAPS" title="GNOME_VFS_PRIORITY_MAX"><code class="literal">GNOME_VFS_PRIORITY_MAX</code></a> (normally
should be <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-DEFAULT:CAPS" title="GNOME_VFS_PRIORITY_DEFAULT"><code class="literal">GNOME_VFS_PRIORITY_DEFAULT</code></a>) indicating the priority to assign this job
in allocating threads from the thread pool.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback</code></em> :</span></p></td>
<td>function to be called when the operation is complete.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback_data</code></em> :</span></p></td>
<td>data to pass to <em class="parameter"><code>callback</code></em>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gnome-vfs-async-xfer"></a><h3>gnome_vfs_async_xfer ()</h3>
<pre class="programlisting"><a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GnomeVFSResult" title="enum GnomeVFSResult"><span class="returnvalue">GnomeVFSResult</span></a> gnome_vfs_async_xfer (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> **handle_return</code></em>,
<em class="parameter"><code><span class="type">GList</span> *source_uri_list</code></em>,
<em class="parameter"><code><span class="type">GList</span> *target_uri_list</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-xfer.html#GnomeVFSXferOptions" title="enum GnomeVFSXferOptions"><span class="type">GnomeVFSXferOptions</span></a> xfer_options</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-xfer.html#GnomeVFSXferErrorMode" title="enum GnomeVFSXferErrorMode"><span class="type">GnomeVFSXferErrorMode</span></a> error_mode</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-xfer.html#GnomeVFSXferOverwriteMode" title="enum GnomeVFSXferOverwriteMode"><span class="type">GnomeVFSXferOverwriteMode</span></a> overwrite_mode</code></em>,
<em class="parameter"><code><span class="type">int</span> priority</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncXferProgressCallback" title="GnomeVFSAsyncXferProgressCallback ()"><span class="type">GnomeVFSAsyncXferProgressCallback</span></a> progress_update_callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> update_callback_data</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-xfer.html#GnomeVFSXferProgressCallback" title="GnomeVFSXferProgressCallback ()"><span class="type">GnomeVFSXferProgressCallback</span></a> progress_sync_callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> sync_callback_data</code></em>);</pre>
<p>
Performs an Xfer operation in a seperate thread, otherwise like
<a class="link" href="gnome-vfs-2.0-gnome-vfs-xfer.html#gnome-vfs-xfer-uri-list" title="gnome_vfs_xfer_uri_list ()"><code class="function">gnome_vfs_xfer_uri_list()</code></a>.
</p>
<p>
See <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncXferProgressCallback" title="GnomeVFSAsyncXferProgressCallback ()"><span class="type">GnomeVFSAsyncXferProgressCallback</span></a> and <a class="link" href="gnome-vfs-2.0-gnome-vfs-xfer.html#GnomeVFSXferProgressCallback" title="GnomeVFSXferProgressCallback ()"><span class="type">GnomeVFSXferProgressCallback</span></a> for details on how the
callback mechanism works.
</p>
<p>
</p>
<div class="note" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Note</h3>
<p>
<em class="parameter"><code>progress_sync_callback</code></em> should only be used if you want to execute additional
actions that may not wait until after the transfer, for instance because
you have to do them for each transferred file/directory, and that require
a very specific action to be taken. For instance, the Nautilus application
schedules metadata removal/moving/copying at specific phases.
</p>
<p>
Do not use <em class="parameter"><code>progress_sync_callback</code></em> if you just need user feedback, because
each invocation is expensive, and requires a context switch.
</p>
<p>
If you use both <em class="parameter"><code>progress_update_callback</code></em> and <em class="parameter"><code>progress_sync_callback</code></em>,
the <em class="parameter"><code>progress_sync_callback</code></em> will always be invoked before the
<em class="parameter"><code>progress_update_callback</code></em>. It is recommended to do conflict
handling in <em class="parameter"><code>progress_update_callback</code></em>, and always return <code class="literal">TRUE</code>
in <em class="parameter"><code>progress_sync_callback</code></em>, because if the Xfer's
<a class="link" href="gnome-vfs-2.0-gnome-vfs-xfer.html#GnomeVFSXferProgressStatus" title="enum GnomeVFSXferProgressStatus"><span class="type">GnomeVFSXferProgressStatus</span></a> is <a class="link" href="gnome-vfs-2.0-gnome-vfs-xfer.html#GNOME-VFS-XFER-PROGRESS-STATUS-OK:CAPS"><code class="literal">GNOME_VFS_XFER_PROGRESS_STATUS_OK</code></a>,
<em class="parameter"><code>progress_update_callback</code></em> will only be invoked if it hasn't
been invoked within the last 100 milliseconds, and if
<em class="parameter"><code>progress_update_callback</code></em> is not invoked, only
<em class="parameter"><code>progress_sync_callback</code></em> is authoritative for the
further processing, causing abortion if it is <code class="literal">FALSE</code>.
</p>
</div>
<p>
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle_return</code></em> :</span></p></td>
<td>when the function returns, will point to a handle for the operation.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>source_uri_list</code></em> :</span></p></td>
<td>A <span class="type">GList</span> of source <a href="gnome-vfs-2.0-gnome-vfs-uri.html#GnomeVFSURI"><span class="type">GnomeVFSURIs</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>target_uri_list</code></em> :</span></p></td>
<td>A <span class="type">GList</span> of target <a href="gnome-vfs-2.0-gnome-vfs-uri.html#GnomeVFSURI"><span class="type">GnomeVFSURIs</span></a>, each corresponding to one URI in
<em class="parameter"><code>source_uri_list</code></em>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>xfer_options</code></em> :</span></p></td>
<td>
<a class="link" href="gnome-vfs-2.0-gnome-vfs-xfer.html#GnomeVFSXferOptions" title="enum GnomeVFSXferOptions"><span class="type">GnomeVFSXferOptions</span></a> defining the desired operation and parameters.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>error_mode</code></em> :</span></p></td>
<td>A <span class="type">GnomeVFSErrorMode</span> specifying how to proceed if a VFS error occurs.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>overwrite_mode</code></em> :</span></p></td>
<td>A <span class="type">GnomeVFSOverwriteMode</span> specifying how to proceed if a file is being overwritten.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>priority</code></em> :</span></p></td>
<td>A value from <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-MIN:CAPS" title="GNOME_VFS_PRIORITY_MIN"><code class="literal">GNOME_VFS_PRIORITY_MIN</code></a> to <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-MAX:CAPS" title="GNOME_VFS_PRIORITY_MAX"><code class="literal">GNOME_VFS_PRIORITY_MAX</code></a> (normally
should be <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-DEFAULT:CAPS" title="GNOME_VFS_PRIORITY_DEFAULT"><code class="literal">GNOME_VFS_PRIORITY_DEFAULT</code></a>) indicating the priority to assign this job
in allocating threads from the thread pool.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>progress_update_callback</code></em> :</span></p></td>
<td>A <span class="type">GnomeVFSAsyncXferCallback</span> called periodically for
informing the program about progress, and when the program requires responses to
interactive queries (e.g. overwriting files, handling errors, etc).</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>update_callback_data</code></em> :</span></p></td>
<td>User data to pass to <em class="parameter"><code>progress_update_callback</code></em>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>progress_sync_callback</code></em> :</span></p></td>
<td>An optional <span class="type">GnomeVFSXferCallback</span> called whenever some state changed.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>sync_callback_data</code></em> :</span></p></td>
<td>User data to pass to <em class="parameter"><code>progress_sync_callback</code></em>.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GNOME-VFS-OK:CAPS"><code class="literal">GNOME_VFS_OK</code></a> if the paramaters were in order,
or <a class="link" href="gnome-vfs-2.0-gnome-vfs-result.html#GNOME-VFS-ERROR-BAD-PARAMETERS:CAPS"><code class="literal">GNOME_VFS_ERROR_BAD_PARAMETERS</code></a> if something was wrong in the passed in arguments.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gnome-vfs-async-find-directory"></a><h3>gnome_vfs_async_find_directory ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gnome_vfs_async_find_directory (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> **handle_return</code></em>,
<em class="parameter"><code><span class="type">GList</span> *near_uri_list</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-directory-find-ops.html#GnomeVFSFindDirectoryKind" title="enum GnomeVFSFindDirectoryKind"><span class="type">GnomeVFSFindDirectoryKind</span></a> kind</code></em>,
<em class="parameter"><code><span class="type">gboolean</span> create_if_needed</code></em>,
<em class="parameter"><code><span class="type">gboolean</span> find_if_needed</code></em>,
<em class="parameter"><code><span class="type">guint</span> permissions</code></em>,
<em class="parameter"><code><span class="type">int</span> priority</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncFindDirectoryCallback" title="GnomeVFSAsyncFindDirectoryCallback ()"><span class="type">GnomeVFSAsyncFindDirectoryCallback</span></a> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> user_data</code></em>);</pre>
<p>
Used to return special directories such as Trash and Desktop from different
file systems.
</p>
<p>
There is quite a complicated logic behind finding/creating a Trash directory
and you need to be aware of some implications:
Finding the Trash the first time when using the file method may be pretty
expensive. A cache file is used to store the location of that Trash file
for next time.
If <em class="parameter"><code>create_if_needed</code></em> is specified without <em class="parameter"><code>find_if_needed</code></em>, you may end up
creating a Trash file when there already is one. Your app should start out
by doing a gnome_vfs_find_directory with the <em class="parameter"><code>find_if_needed</code></em> to avoid this
and then use the <em class="parameter"><code>create_if_needed</code></em> flag to create Trash lazily when it is
needed for throwing away an item on a given disk.
</p>
<p>
When the operation has completed, <em class="parameter"><code>callback</code></em> will be called with the result
of the operation and <em class="parameter"><code>user_data</code></em>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle_return</code></em> :</span></p></td>
<td>when the function returns, will point to a handle for the operation.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>near_uri_list</code></em> :</span></p></td>
<td>a <span class="type">GList</span> of <a href="gnome-vfs-2.0-gnome-vfs-uri.html#GnomeVFSURI"><span class="type">GnomeVFSURIs</span></a>, find a special directory on the same
volume as <em class="parameter"><code>near_uri_list</code></em>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>kind</code></em> :</span></p></td>
<td>kind of special directory.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>create_if_needed</code></em> :</span></p></td>
<td>if directory we are looking for does not exist, try to create it.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>find_if_needed</code></em> :</span></p></td>
<td>if we don't know where the directory is yet, look for it.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>permissions</code></em> :</span></p></td>
<td>if creating, use these permissions.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>priority</code></em> :</span></p></td>
<td>a value from <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-MIN:CAPS" title="GNOME_VFS_PRIORITY_MIN"><code class="literal">GNOME_VFS_PRIORITY_MIN</code></a> to <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-MAX:CAPS" title="GNOME_VFS_PRIORITY_MAX"><code class="literal">GNOME_VFS_PRIORITY_MAX</code></a> (normally
should be <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GNOME-VFS-PRIORITY-DEFAULT:CAPS" title="GNOME_VFS_PRIORITY_DEFAULT"><code class="literal">GNOME_VFS_PRIORITY_DEFAULT</code></a>) indicating the priority to assign to this job
in allocating threads from the thread pool.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback</code></em> :</span></p></td>
<td>function to be called when the operation is complete.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>data to pass to <em class="parameter"><code>callback</code></em>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gnome-vfs-async-file-control"></a><h3>gnome_vfs_async_file_control ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gnome_vfs_async_file_control (<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncHandle" title="GnomeVFSAsyncHandle"><span class="type">GnomeVFSAsyncHandle</span></a> *handle</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *operation</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> operation_data</code></em>,
<em class="parameter"><code><span class="type">GDestroyNotify</span> operation_data_destroy_func</code></em>,
<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSAsyncFileControlCallback" title="GnomeVFSAsyncFileControlCallback ()"><span class="type">GnomeVFSAsyncFileControlCallback</span></a> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> callback_data</code></em>);</pre>
<p>
Execute a backend dependent operation specified by the string <em class="parameter"><code>operation</code></em>.
This is typically used for specialized vfs backends that need additional
operations that gnome-vfs doesn't have. Compare it to the unix call <code class="function">ioctl()</code>.
The format of <em class="parameter"><code>operation_data</code></em> depends on the operation. Operation that are
backend specific are normally namespaced by their module name.
</p>
<p>
When the operation is complete, <em class="parameter"><code>callback</code></em> will be called with the
result of the operation, <em class="parameter"><code>operation_data</code></em> and <em class="parameter"><code>callback_data</code></em>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td>handle of the file to affect.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>operation</code></em> :</span></p></td>
<td>operation to execute.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>operation_data</code></em> :</span></p></td>
<td>data needed to execute the operation.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>operation_data_destroy_func</code></em> :</span></p></td>
<td>callback to destroy <em class="parameter"><code>operation_data</code></em> when its no longer needed.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback</code></em> :</span></p></td>
<td>function to be called when the <em class="parameter"><code>operation</code></em> is complete.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback_data</code></em> :</span></p></td>
<td>data to pass to <em class="parameter"><code>callback</code></em>.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.2</p>
</div>
<hr>
<div class="refsect2">
<a name="gnome-vfs-find-directory-result-dup"></a><h3>gnome_vfs_find_directory_result_dup ()</h3>
<pre class="programlisting"><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSFindDirectoryResult" title="GnomeVFSFindDirectoryResult"><span class="returnvalue">GnomeVFSFindDirectoryResult</span></a> * gnome_vfs_find_directory_result_dup
(<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSFindDirectoryResult" title="GnomeVFSFindDirectoryResult"><span class="type">GnomeVFSFindDirectoryResult</span></a> *result</code></em>);</pre>
<p>
Duplicates <em class="parameter"><code>result</code></em>.
</p>
<p>
Note: The internal uri is not duplicated but its
refcount is incremented.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>result</code></em> :</span></p></td>
<td>a <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSFindDirectoryResult" title="GnomeVFSFindDirectoryResult"><span class="type">GnomeVFSFindDirectoryResult</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>A 1:1 copy of <em class="parameter"><code>result</code></em>.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.12</p>
</div>
<hr>
<div class="refsect2">
<a name="gnome-vfs-find-directory-result-free"></a><h3>gnome_vfs_find_directory_result_free ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gnome_vfs_find_directory_result_free
(<em class="parameter"><code><a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSFindDirectoryResult" title="GnomeVFSFindDirectoryResult"><span class="type">GnomeVFSFindDirectoryResult</span></a> *result</code></em>);</pre>
<p>
Unrefs the inner uri object and frees the memory
allocated for <em class="parameter"><code>result</code></em>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>result</code></em> :</span></p></td>
<td>a <a class="link" href="gnome-vfs-2.0-gnome-vfs-async-ops.html#GnomeVFSFindDirectoryResult" title="GnomeVFSFindDirectoryResult"><span class="type">GnomeVFSFindDirectoryResult</span></a>.</td>
</tr></tbody>
</table></div>
<p class="since">Since 2.12</p>
</div>
</div>
</div>
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