diff options
| -rw-r--r-- | clutter/clutter-main.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/clutter/clutter-main.c b/clutter/clutter-main.c index 7e8fe952d..089dc5af3 100644 --- a/clutter/clutter-main.c +++ b/clutter/clutter-main.c @@ -226,6 +226,16 @@ clutter_threads_impl_lock (void) static void clutter_threads_impl_unlock (void) { + /* we need to trylock here, in case the lock hasn't been acquired; on + * various systems trying to release a mutex that hasn't been acquired + * will cause a run-time error. trylock() will either fail, in which + * case we can release the lock we own; or it will succeeds, in which + * case we need to release the lock we just acquired. so we ignore the + * returned value. + * + * see: https://bugs.gnome.org/679439 + */ + g_mutex_trylock (&clutter_threads_mutex); g_mutex_unlock (&clutter_threads_mutex); } |