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pad: Don't unlock while iterating over all sticky events for removal

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Otherwise we might end up getting the event removed from elsewhere
at the same time while we're unlocked for g_object_notify().

https://bugzilla.gnome.org/show_bug.cgi?id=732556
This commit is contained in:
Göran Jönsson 2014-07-01 12:22:56 +02:00 committed by Sebastian Dröge
parent b5936efc98
commit d0a808cdc8
1 changed files with 13 additions and 7 deletions
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20
gst/gstpad.c
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@ -399,6 +399,7 @@ remove_events (GstPad * pad)
{ {
guint i, len; guint i, len;
GArray *events; GArray *events;
gboolean notify = FALSE;
events = pad->priv->events; events = pad->priv->events;
@ -409,19 +410,24 @@ remove_events (GstPad * pad)
ev->event = NULL; ev->event = NULL;
if (event && GST_EVENT_TYPE (event) == GST_EVENT_CAPS) { if (event && GST_EVENT_TYPE (event) == GST_EVENT_CAPS)
GST_OBJECT_UNLOCK (pad); notify = TRUE;
GST_DEBUG_OBJECT (pad, "notify caps");
g_object_notify_by_pspec ((GObject *) pad, pspec_caps);
GST_OBJECT_LOCK (pad);
}
gst_event_unref (event); gst_event_unref (event);
} }
GST_OBJECT_FLAG_UNSET (pad, GST_PAD_FLAG_PENDING_EVENTS); GST_OBJECT_FLAG_UNSET (pad, GST_PAD_FLAG_PENDING_EVENTS);
g_array_set_size (events, 0); g_array_set_size (events, 0);
pad->priv->events_cookie++; pad->priv->events_cookie++;
if (notify) {
GST_OBJECT_UNLOCK (pad);
GST_DEBUG_OBJECT (pad, "notify caps");
g_object_notify_by_pspec ((GObject *) pad, pspec_caps);
GST_OBJECT_LOCK (pad);
}
} }
/* should be called with object lock */ /* should be called with object lock */