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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<a href="#dbus-glib-DBusGConnection.synopsis" class="shortcut">Top</a>
                   | 
                  <a href="#dbus-glib-DBusGConnection.description" class="shortcut">Description</a>
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<div class="refentry">
<a name="dbus-glib-DBusGConnection"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="dbus-glib-DBusGConnection.top_of_page"></a>DBusGConnection</span></h2>
<p>DBusGConnection — DBus Connection</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="dbus-glib-DBusGConnection.stability-level"></a><h2>Stability Level</h2>
Stable, unless otherwise indicated
</div>
<div class="refsynopsisdiv">
<a name="dbus-glib-DBusGConnection.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
#include &lt;dbus/dbus-glib.h&gt;

                    <a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection">DBusGConnection</a>;
#define             <a class="link" href="dbus-glib-DBusGConnection.html#DBUS-TYPE-G-CONNECTION:CAPS" title="DBUS_TYPE_G_CONNECTION">DBUS_TYPE_G_CONNECTION</a>
<a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection"><span class="returnvalue">DBusGConnection</span></a> *   <a class="link" href="dbus-glib-DBusGConnection.html#dbus-g-bus-get" title="dbus_g_bus_get ()">dbus_g_bus_get</a>                      (<em class="parameter"><code><span class="type">DBusBusType</span> type</code></em>,
                                                         <em class="parameter"><code><span class="type">GError</span> **error</code></em>);
<a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection"><span class="returnvalue">DBusGConnection</span></a> *   <a class="link" href="dbus-glib-DBusGConnection.html#dbus-g-bus-get-private" title="dbus_g_bus_get_private ()">dbus_g_bus_get_private</a>              (<em class="parameter"><code><span class="type">DBusBusType</span> type</code></em>,
                                                         <em class="parameter"><code><span class="type">GMainContext</span> *context</code></em>,
                                                         <em class="parameter"><code><span class="type">GError</span> **error</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="dbus-glib-DBusGConnection.html#dbus-g-thread-init" title="dbus_g_thread_init ()">dbus_g_thread_init</a>                  (<em class="parameter"><code><span class="type">void</span></code></em>);
<a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection"><span class="returnvalue">DBusGConnection</span></a> *   <a class="link" href="dbus-glib-DBusGConnection.html#dbus-g-connection-open" title="dbus_g_connection_open ()">dbus_g_connection_open</a>              (<em class="parameter"><code>const <span class="type">gchar</span> *address</code></em>,
                                                         <em class="parameter"><code><span class="type">GError</span> **error</code></em>);
<a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection"><span class="returnvalue">DBusGConnection</span></a> *   <a class="link" href="dbus-glib-DBusGConnection.html#dbus-g-connection-ref" title="dbus_g_connection_ref ()">dbus_g_connection_ref</a>               (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection"><span class="type">DBusGConnection</span></a> *connection</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="dbus-glib-DBusGConnection.html#dbus-g-connection-unref" title="dbus_g_connection_unref ()">dbus_g_connection_unref</a>             (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection"><span class="type">DBusGConnection</span></a> *connection</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="dbus-glib-DBusGConnection.html#dbus-g-connection-flush" title="dbus_g_connection_flush ()">dbus_g_connection_flush</a>             (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection"><span class="type">DBusGConnection</span></a> *connection</code></em>);
<span class="returnvalue">DBusConnection</span> *    <a class="link" href="dbus-glib-DBusGConnection.html#dbus-g-connection-get-connection" title="dbus_g_connection_get_connection ()">dbus_g_connection_get_connection</a>    (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection"><span class="type">DBusGConnection</span></a> *gconnection</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="dbus-glib-DBusGConnection.html#dbus-g-connection-register-g-object" title="dbus_g_connection_register_g_object ()">dbus_g_connection_register_g_object</a> (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection"><span class="type">DBusGConnection</span></a> *connection</code></em>,
                                                         <em class="parameter"><code>const <span class="type">char</span> *at_path</code></em>,
                                                         <em class="parameter"><code><span class="type">GObject</span> *object</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="dbus-glib-DBusGConnection.html#dbus-g-connection-unregister-g-object" title="dbus_g_connection_unregister_g_object ()">dbus_g_connection_unregister_g_object</a>
                                                        (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection"><span class="type">DBusGConnection</span></a> *connection</code></em>,
                                                         <em class="parameter"><code><span class="type">GObject</span> *object</code></em>);
<span class="returnvalue">GObject</span> *           <a class="link" href="dbus-glib-DBusGConnection.html#dbus-g-connection-lookup-g-object" title="dbus_g_connection_lookup_g_object ()">dbus_g_connection_lookup_g_object</a>   (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection"><span class="type">DBusGConnection</span></a> *connection</code></em>,
                                                         <em class="parameter"><code>const <span class="type">char</span> *at_path</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="dbus-glib-DBusGConnection.description"></a><h2>Description</h2>
<p>
A <a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection"><span class="type">DBusGConnection</span></a> is a boxed type abstracting a DBusConnection.
</p>
</div>
<div class="refsect1">
<a name="dbus-glib-DBusGConnection.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="DBusGConnection"></a><h3>DBusGConnection</h3>
<pre class="programlisting">typedef struct _DBusGConnection DBusGConnection;</pre>
<p>
A <a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection"><span class="type">DBusGConnection</span></a> is a boxed type abstracting a DBusConnection from
libdbus.
</p>
</div>
<hr>
<div class="refsect2">
<a name="DBUS-TYPE-G-CONNECTION:CAPS"></a><h3>DBUS_TYPE_G_CONNECTION</h3>
<pre class="programlisting">#define DBUS_TYPE_G_CONNECTION   (dbus_g_connection_get_g_type ())
</pre>
<p>
Expands to a function call returning the boxed <span class="type">GType</span> of a <a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection"><span class="type">DBusGConnection</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"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the GLib type</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="dbus-g-bus-get"></a><h3>dbus_g_bus_get ()</h3>
<pre class="programlisting"><a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection"><span class="returnvalue">DBusGConnection</span></a> *   dbus_g_bus_get                      (<em class="parameter"><code><span class="type">DBusBusType</span> type</code></em>,
                                                         <em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
<p>
Returns a connection to the given bus. The connection is a global variable
shared with other callers of this function.
</p>
<p>
(Internally, calls <code class="function">dbus_bus_get()</code> then calls
<a class="link" href="dbus-glib-DBus-GLib-low-level.html#dbus-connection-setup-with-g-main" title="dbus_connection_setup_with_g_main ()"><code class="function">dbus_connection_setup_with_g_main()</code></a> on the result.)
</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>type</code></em> :</span></p></td>
<td>bus type</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>error</code></em> :</span></p></td>
<td>address where an error can be returned.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a DBusConnection</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="dbus-g-bus-get-private"></a><h3>dbus_g_bus_get_private ()</h3>
<pre class="programlisting"><a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection"><span class="returnvalue">DBusGConnection</span></a> *   dbus_g_bus_get_private              (<em class="parameter"><code><span class="type">DBusBusType</span> type</code></em>,
                                                         <em class="parameter"><code><span class="type">GMainContext</span> *context</code></em>,
                                                         <em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
<p>
Returns a connection to the given bus. The connection will be a private
non-shared connection and should be closed when usage is complete.
</p>
<p>
Internally this function calls <code class="function">dbus_bus_get_private()</code> then calls
<a class="link" href="dbus-glib-DBus-GLib-low-level.html#dbus-connection-setup-with-g-main" title="dbus_connection_setup_with_g_main ()"><code class="function">dbus_connection_setup_with_g_main()</code></a> on the result; see the documentation
of the former function for more information on private connections.
</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>type</code></em> :</span></p></td>
<td>bus type</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>context</code></em> :</span></p></td>
<td>Mainloop context to attach to</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>error</code></em> :</span></p></td>
<td>address where an error can be returned.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a DBusConnection</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="dbus-g-thread-init"></a><h3>dbus_g_thread_init ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                dbus_g_thread_init                  (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Initializes the D-BUS thread system.
This function may only be called
once and must be called prior to calling any
other function in the D-BUS API.
</p>
</div>
<hr>
<div class="refsect2">
<a name="dbus-g-connection-open"></a><h3>dbus_g_connection_open ()</h3>
<pre class="programlisting"><a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection"><span class="returnvalue">DBusGConnection</span></a> *   dbus_g_connection_open              (<em class="parameter"><code>const <span class="type">gchar</span> *address</code></em>,
                                                         <em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
<p>
Returns a connection to the given address.
</p>
<p>
(Internally, calls <code class="function">dbus_connection_open()</code> then calls
<a class="link" href="dbus-glib-DBus-GLib-low-level.html#dbus-connection-setup-with-g-main" title="dbus_connection_setup_with_g_main ()"><code class="function">dbus_connection_setup_with_g_main()</code></a> on the result.)
</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>address</code></em> :</span></p></td>
<td>address of the connection to open</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>error</code></em> :</span></p></td>
<td>address where an error can be returned.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a DBusConnection</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="dbus-g-connection-ref"></a><h3>dbus_g_connection_ref ()</h3>
<pre class="programlisting"><a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection"><span class="returnvalue">DBusGConnection</span></a> *   dbus_g_connection_ref               (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection"><span class="type">DBusGConnection</span></a> *connection</code></em>);</pre>
<p>
Increment refcount on a <a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection"><span class="type">DBusGConnection</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>connection</code></em> :</span></p></td>
<td>the <a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection"><span class="type">DBusGConnection</span></a> to ref</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the connection that was ref'd</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="dbus-g-connection-unref"></a><h3>dbus_g_connection_unref ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                dbus_g_connection_unref             (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection"><span class="type">DBusGConnection</span></a> *connection</code></em>);</pre>
<p>
Decrement refcount on a <a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection"><span class="type">DBusGConnection</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>connection</code></em> :</span></p></td>
<td>the connection to unref</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="dbus-g-connection-flush"></a><h3>dbus_g_connection_flush ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                dbus_g_connection_flush             (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection"><span class="type">DBusGConnection</span></a> *connection</code></em>);</pre>
<p>
Blocks until outgoing calls and signal emissions have been sent.
</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>connection</code></em> :</span></p></td>
<td>the <a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection"><span class="type">DBusGConnection</span></a> to flush</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="dbus-g-connection-get-connection"></a><h3>dbus_g_connection_get_connection ()</h3>
<pre class="programlisting"><span class="returnvalue">DBusConnection</span> *    dbus_g_connection_get_connection    (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection"><span class="type">DBusGConnection</span></a> *gconnection</code></em>);</pre>
<p>
Get the <span class="type">DBusConnection</span> corresponding to this <a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection"><span class="type">DBusGConnection</span></a>.
The return value does not have its refcount 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>gconnection</code></em> :</span></p></td>
<td>a <a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection"><span class="type">DBusGConnection</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td><span class="type">DBusConnection</span></td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="dbus-g-connection-register-g-object"></a><h3>dbus_g_connection_register_g_object ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                dbus_g_connection_register_g_object (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection"><span class="type">DBusGConnection</span></a> *connection</code></em>,
                                                         <em class="parameter"><code>const <span class="type">char</span> *at_path</code></em>,
                                                         <em class="parameter"><code><span class="type">GObject</span> *object</code></em>);</pre>
<p>
Registers a <span class="type">GObject</span> at the given path. Properties, methods, and signals
of the object can then be accessed remotely. Methods are only available
if method introspection data has been added to the object's class
with <a class="link" href="dbus-glib-DBus-GObject-related-functions.html#dbus-g-object-type-install-info" title="dbus_g_object_type_install_info ()"><code class="function">dbus_g_object_type_install_info()</code></a>.
</p>
<p>
The registration will be cancelled if either the <span class="type">DBusConnection</span> or
the <span class="type">GObject</span> gets finalized, or if <a class="link" href="dbus-glib-DBusGConnection.html#dbus-g-connection-unregister-g-object" title="dbus_g_connection_unregister_g_object ()"><code class="function">dbus_g_connection_unregister_g_object()</code></a>
is used.
</p>
<p>
Note: If an object is registered multiple times, the first registration
takes priority for cases such as turning an object into an object path.
</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>connection</code></em> :</span></p></td>
<td>the D-BUS connection</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>at_path</code></em> :</span></p></td>
<td>the path where the object will live (the object's name)</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>object</code></em> :</span></p></td>
<td>the object</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="dbus-g-connection-unregister-g-object"></a><h3>dbus_g_connection_unregister_g_object ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                dbus_g_connection_unregister_g_object
                                                        (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection"><span class="type">DBusGConnection</span></a> *connection</code></em>,
                                                         <em class="parameter"><code><span class="type">GObject</span> *object</code></em>);</pre>
<p>
Removes <em class="parameter"><code>object</code></em> from any object paths at which it is exported on
<em class="parameter"><code>connection</code></em>. Properties, methods, and signals
of the object can no longer be accessed remotely.
</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>connection</code></em> :</span></p></td>
<td>the D-BUS connection</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>object</code></em> :</span></p></td>
<td>the object</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="dbus-g-connection-lookup-g-object"></a><h3>dbus_g_connection_lookup_g_object ()</h3>
<pre class="programlisting"><span class="returnvalue">GObject</span> *           dbus_g_connection_lookup_g_object   (<em class="parameter"><code><a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection"><span class="type">DBusGConnection</span></a> *connection</code></em>,
                                                         <em class="parameter"><code>const <span class="type">char</span> *at_path</code></em>);</pre>
<p>
FIXME
</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>connection</code></em> :</span></p></td>
<td>a <a class="link" href="dbus-glib-DBusGConnection.html#DBusGConnection" title="DBusGConnection"><span class="type">DBusGConnection</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>at_path</code></em> :</span></p></td>
<td>path</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the object at path <em class="parameter"><code>at_path</code></em>
</td>
</tr>
</tbody>
</table></div>
</div>
</div>
<div class="refsect1">
<a name="dbus-glib-DBusGConnection.see-also"></a><h2>See Also</h2>
<span class="type">DBusConnection</span>
</div>
</div>
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