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poll: Warn if the return value of gst_poll_read_control() is unused

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This might fail even under correct usage, e.g. if read_control() is called
from another thread before write_control() finished in another. It has to be
retried then, or other measures have to be taken, depending on how it is used
by the surrounding code.

https://bugzilla.gnome.org/show_bug.cgi?id=750397
This commit is contained in:
Sebastian Dröge 2016-06-29 13:11:01 +02:00
parent cd06aea103
commit 0bfc9fb212
1 changed files with 1 additions and 1 deletions
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2
gst/gstpoll.h
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@ -88,7 +88,7 @@ void gst_poll_restart (GstPoll *set);
void gst_poll_set_flushing (GstPoll *set, gboolean flushing); void gst_poll_set_flushing (GstPoll *set, gboolean flushing);
gboolean gst_poll_write_control (GstPoll *set); gboolean gst_poll_write_control (GstPoll *set);
gboolean gst_poll_read_control (GstPoll *set); gboolean gst_poll_read_control (GstPoll *set) G_GNUC_WARN_UNUSED_RESULT;
G_END_DECLS G_END_DECLS