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MetaWindowActor: don't overwrite send_frame_messages_timer

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If the app finished multiple frames before we sent _NET_WM_FRAME_DRAWN,
we could add the send_frame_messages_timer multiple times. In the rare
case that the app immediately closed the window, the older timeout
could potentially then run on the freed actor.

https://bugzilla.gnome.org/show_bug.cgi?id=738686
This commit is contained in:
Owen W. Taylor 2014-10-17 08:58:28 -04:00
parent 7d3204b196
commit 56e74b1ea8
1 changed files with 4 additions and 0 deletions
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4
src/compositor/meta-window-actor.c
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@ -939,6 +939,10 @@ static void
queue_send_frame_messages_timeout (MetaWindowActor *self)
{
MetaWindowActorPrivate *priv = self->priv;
if (priv->send_frame_messages_timer != 0)
return;
MetaDisplay *display = meta_window_get_display (priv->window);
gint64 current_time = meta_compositor_monotonic_time_to_server_time (display, g_get_monotonic_time ());
MetaMonitorManager *monitor_manager = meta_monitor_manager_get ();