De-inline vlc_assert_locked()

src/libvlc.h

@@ -63,8 +63,7 @@ void vlc_trace (const char *fn, const char *file, unsigned line);
 #define vlc_backtrace() vlc_trace(__func__, __FILE__, __LINE__)
 
 #if defined (LIBVLC_USE_PTHREAD) && !defined (NDEBUG)
-# define vlc_assert_locked( m ) \
-         assert (pthread_mutex_lock (m) == EDEADLK)
+void vlc_assert_locked (vlc_mutex_t *);
 #else
 # define vlc_assert_locked( m ) (void)m
 #endif

src/misc/threads.c

@@ -356,6 +356,13 @@ void vlc_mutex_destroy (vlc_mutex_t *p_mutex)
 #endif
 }
 
+#if defined(LIBVLC_USE_PTHREAD) && !defined(NDEBUG)
+void vlc_assert_locked (vlc_mutex_t *p_mutex)
+{
+    assert (pthread_mutex_lock (p_mutex) == EDEADLK);
+}
+#endif
+
 /**
  * Acquires a mutex. If needed, waits for any other thread to release it.
  * Beware of deadlocks when locking multiple mutexes at the same time,