/usr/include/gstreamer-1.0/gst/gstpoll.h is in libgstreamer1.0-dev 1.10.4-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 1999 Erik Walthinsen <omega@cse.ogi.edu>
* Copyright (C) 2004 Wim Taymans <wim.taymans@gmail.com>
* Copyright (C) 2007 Peter Kjellerstedt <pkj@axis.com>
*
* gstpoll.h: File descriptor set
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_POLL_H__
#define __GST_POLL_H__
#include <glib.h>
#include <glib-object.h>
#include <gst/gstclock.h>
G_BEGIN_DECLS
/**
* GstPoll:
*
* A set of file/network descriptors.
*/
typedef struct _GstPoll GstPoll;
/**
* GstPollFD:
* @fd: a file descriptor
*
* A file descriptor object.
*/
typedef struct {
int fd;
/*< private >*/
gint idx;
} GstPollFD;
/**
* GST_POLL_FD_INIT:
*
* A #GstPollFD must be initialized with this macro, before it can be
* used. This macro can used be to initialize a variable, but it cannot
* be assigned to a variable. In that case you have to use
* gst_poll_fd_init().
*/
#define GST_POLL_FD_INIT { -1, -1 }
GstPoll* gst_poll_new (gboolean controllable) G_GNUC_MALLOC;
GstPoll* gst_poll_new_timer (void) G_GNUC_MALLOC;
void gst_poll_free (GstPoll *set);
void gst_poll_get_read_gpollfd (GstPoll *set, GPollFD *fd);
void gst_poll_fd_init (GstPollFD *fd);
gboolean gst_poll_add_fd (GstPoll *set, GstPollFD *fd);
gboolean gst_poll_remove_fd (GstPoll *set, GstPollFD *fd);
gboolean gst_poll_fd_ctl_write (GstPoll *set, GstPollFD *fd, gboolean active);
gboolean gst_poll_fd_ctl_read (GstPoll *set, GstPollFD *fd, gboolean active);
void gst_poll_fd_ignored (GstPoll *set, GstPollFD *fd);
gboolean gst_poll_fd_has_closed (const GstPoll *set, GstPollFD *fd);
gboolean gst_poll_fd_has_error (const GstPoll *set, GstPollFD *fd);
gboolean gst_poll_fd_can_read (const GstPoll *set, GstPollFD *fd);
gboolean gst_poll_fd_can_write (const GstPoll *set, GstPollFD *fd);
gint gst_poll_wait (GstPoll *set, GstClockTime timeout);
gboolean gst_poll_set_controllable (GstPoll *set, gboolean controllable);
void gst_poll_restart (GstPoll *set);
void gst_poll_set_flushing (GstPoll *set, gboolean flushing);
gboolean gst_poll_write_control (GstPoll *set);
gboolean gst_poll_read_control (GstPoll *set) G_GNUC_WARN_UNUSED_RESULT;
G_END_DECLS
#endif /* __GST_POLL_H__ */
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