vlc_mutex_trylock() return value must be checked

diff --git a/include/vlc_threads.h b/include/vlc_threads.h
index dd0bce783580ee79d9e3cacf82f9bdb636d44375..52157d8c287d2382f30d97cf30dc4243991ad51c 100644 (file)
--- a/include/vlc_threads.h
+++ b/include/vlc_threads.h
@@ -143,7 +143,7 @@ VLC_EXPORT( int,  vlc_mutex_init,    ( vlc_mutex_t * ) );
 VLC_EXPORT( int,  vlc_mutex_init_recursive, ( vlc_mutex_t * ) );
 VLC_EXPORT( void, vlc_mutex_destroy, ( vlc_mutex_t * ) );
 VLC_EXPORT( void, vlc_mutex_lock, ( vlc_mutex_t * ) );
-VLC_EXPORT( int, vlc_mutex_trylock, ( vlc_mutex_t * ) );
+VLC_EXPORT( int,  vlc_mutex_trylock, ( vlc_mutex_t * ) LIBVLC_USED );
 VLC_EXPORT( void, vlc_mutex_unlock, ( vlc_mutex_t * ) );
 VLC_EXPORT( int,  vlc_cond_init,     ( vlc_cond_t * ) );
 VLC_EXPORT( void, vlc_cond_destroy,  ( vlc_cond_t * ) );