2 * Copyright (C) 1999 Erik Walthinsen <omega@cse.ogi.edu>
3 * Copyright (C) 2004 Wim Taymans <wim.taymans@gmail.com>
4 * Copyright (C) 2007 Peter Kjellerstedt <pkj@axis.com>
6 * gstpoll.h: File descriptor set
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
18 * You should have received a copy of the GNU Library General Public
19 * License along with this library; if not, write to the
20 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
21 * Boston, MA 02110-1301, USA.
24 #ifndef __GST_POLL_H__
25 #define __GST_POLL_H__
28 #include <glib-object.h>
30 #include <gst/gstclock.h>
37 * A set of file/network descriptors.
39 typedef struct _GstPoll GstPoll;
43 * @fd: a file descriptor
45 * A file descriptor object.
57 * A #GstPollFD must be initialized with this macro, before it can be
58 * used. This macro can used be to initialize a variable, but it cannot
59 * be assigned to a variable. In that case you have to use
62 #define GST_POLL_FD_INIT { -1, -1 }
64 GstPoll* gst_poll_new (gboolean controllable) G_GNUC_MALLOC;
65 GstPoll* gst_poll_new_timer (void) G_GNUC_MALLOC;
66 void gst_poll_free (GstPoll *set);
68 void gst_poll_get_read_gpollfd (GstPoll *set, GPollFD *fd);
70 void gst_poll_fd_init (GstPollFD *fd);
72 gboolean gst_poll_add_fd (GstPoll *set, GstPollFD *fd);
73 gboolean gst_poll_remove_fd (GstPoll *set, GstPollFD *fd);
75 gboolean gst_poll_fd_ctl_write (GstPoll *set, GstPollFD *fd, gboolean active);
76 gboolean gst_poll_fd_ctl_read (GstPoll *set, GstPollFD *fd, gboolean active);
77 void gst_poll_fd_ignored (GstPoll *set, GstPollFD *fd);
79 gboolean gst_poll_fd_has_closed (const GstPoll *set, GstPollFD *fd);
80 gboolean gst_poll_fd_has_error (const GstPoll *set, GstPollFD *fd);
81 gboolean gst_poll_fd_can_read (const GstPoll *set, GstPollFD *fd);
82 gboolean gst_poll_fd_can_write (const GstPoll *set, GstPollFD *fd);
84 gint gst_poll_wait (GstPoll *set, GstClockTime timeout);
86 gboolean gst_poll_set_controllable (GstPoll *set, gboolean controllable);
87 void gst_poll_restart (GstPoll *set);
88 void gst_poll_set_flushing (GstPoll *set, gboolean flushing);
90 gboolean gst_poll_write_control (GstPoll *set);
91 gboolean gst_poll_read_control (GstPoll *set);
95 #endif /* __GST_POLL_H__ */