[Bug 742684] New: aggregator: Usage of GCond is racy.

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=742684
  GStreamer | gst-plugins-bad | git

           Summary: aggregator: Usage of GCond is racy.
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-bad
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: olivier.crete at ocrete.ca
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Playing around with the new GstAggregator code, I get deadlocks with the
aggregator thread stuck on I see a macro that does:

g_mutex_lock()
g_cond_broadcast();
g_mutex_unlock();

This is always always always wrong. Because the g_cond_broadcast() may happen
between the time when the actual condition is checked and the time when the
g_cond_wait() is called, which results in the wait waiting forever.

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