gboolean gst_poll_fd_ctl_read (GstPoll *set, GstPollFD *fd, gboolean active);
GST_API
+gboolean gst_poll_fd_ctl_pri (GstPoll *set, GstPollFD *fd, gboolean active);
+
+GST_API
void gst_poll_fd_ignored (GstPoll *set, GstPollFD *fd);
GST_API
gboolean gst_poll_fd_can_write (const GstPoll *set, GstPollFD *fd);
GST_API
+gboolean gst_poll_fd_has_pri (const GstPoll *set, GstPollFD *fd);
+
+GST_API
gint gst_poll_wait (GstPoll *set, GstClockTime timeout);
GST_API