Following vlc_object_kill(), add vlc_object_dying()

include/vlc_objects.h

@@ -97,6 +97,8 @@ struct vlc_object_t
 VLC_EXPORT( void *, __vlc_object_create, ( vlc_object_t *, int ) );
 VLC_EXPORT( void, __vlc_object_destroy, ( vlc_object_t * ) );
 VLC_EXPORT( void, __vlc_object_kill, ( vlc_object_t * ) );
+VLC_EXPORT( vlc_bool_t, __vlc_object_dying_unlocked, ( vlc_object_t * ) );
+VLC_EXPORT( vlc_bool_t, __vlc_object_dying, ( vlc_object_t * ) );
 VLC_EXPORT( void, __vlc_object_attach, ( vlc_object_t *, vlc_object_t * ) );
 VLC_EXPORT( void, __vlc_object_detach, ( vlc_object_t * ) );
 VLC_EXPORT( void *, __vlc_object_get, ( vlc_object_t *, int ) );

include/vlc_threads_funcs.h

@@ -122,6 +122,9 @@ static inline int __vlc_mutex_lock( const char * psz_file, int i_line,
     }
 
 #elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
+#   define vlc_assert_locked( m ) \
+           assert (pthread_mutex_lock (&((m)->mutex)) == EDEADLK)
+
     i_result = pthread_mutex_lock( &p_mutex->mutex );
     if ( i_result )
     {
@@ -144,6 +147,10 @@ static inline int __vlc_mutex_lock( const char * psz_file, int i_line,
     return i_result;
 }
 
+#ifndef vlc_assert_locked
+# define vlc_assert_locked( m ) (void)0
+#endif
+
 /*****************************************************************************
  * vlc_mutex_unlock: unlock a mutex
  *****************************************************************************/

src/misc/objects.c

@@ -438,6 +438,23 @@ void __vlc_object_kill( vlc_object_t *p_this )
 }
 
 
+vlc_bool_t __vlc_object_dying_unlocked( vlc_object_t *p_this )
+{
+    vlc_assert_locked( &p_this->object_lock );
+    return p_this->b_die;
+}
+
+
+vlc_bool_t __vlc_object_dying( vlc_object_t *p_this )
+{
+     vlc_bool_t b;
+     vlc_mutex_lock( &p_this->object_lock );
+     b = __vlc_object_dying_unlocked( p_this );
+     vlc_mutex_unlock( &p_this->object_lock );
+     return b;
+}
+
+
 /**
  * find an object given its ID
  *