[Bug 760757] gstsystemclock: incorrect handling of wait requests
GStreamer (GNOME Bugzilla)
bugzilla at gnome.org
Mon Jan 18 09:37:49 PST 2016
https://bugzilla.gnome.org/show_bug.cgi?id=760757
--- Comment #4 from Nicolas Dufresne (stormer) <nicolas.dufresne at collabora.co.uk> ---
Review of attachment 319277:
--> (https://bugzilla.gnome.org/review?bug=760757&attachment=319277)
::: gst/gstsystemclock.c
@@ +488,3 @@
+ /* mark the entry as busy but watch out for intermediate unscheduled
+ * statuses */
+ } while (G_UNLIKELY (!CAS_ENTRY_STATUS (entry, status, GST_CLOCK_BUSY)));
This looks like a lockless routine run with the object lock held. Sounds risky,
are you sure this go well in real-world cases ?
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