--- ../test//deadlock.cpp	2015-11-17 13:43:51.253746119 +0800
+++ ../test//1deadlock.cpp	2015-11-17 16:19:43.430026449 +0800
@@ -65,11 +65,11 @@
 }
 void* f2 ( void* arg ) {
 
-	pthread_mutex_lock(&lock2);
+	/* DFixer added:*/ /* DFixer preAcquisitoin */ preAcq_pthread_mutex_lock(& lock2, & lock1);                          ;
 
 	printf("Test thread 2\n");
 
-	pthread_mutex_lock(&lock1);
+	                          ;
 
 	
 	pthread_mutex_unlock(&lock1);
