Define also when not DEBUG_THREADS

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@118954 65c4cc65-6c06-0410-ace0-fbb531ad65f3

include/asterisk/lock.h

@@ -711,6 +711,11 @@ static inline int __ast_cond_timedwait(const char *filename, int lineno, const c
 
 #else /* !DEBUG_THREADS */
 
+#define	DEADLOCK_AVOIDANCE(lock) \
+	ast_mutex_lock(lock); \
+	usleep(1); \
+	ast_mutex_unlock(lock);
+
 
 typedef pthread_mutex_t ast_mutex_t;