18 lines
		
	
	
	
		
			314 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			18 lines
		
	
	
	
		
			314 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
|   | #include <liblockdep/mutex.h>
 | ||
|  | #include "common.h"
 | ||
|  | 
 | ||
|  | void main(void) | ||
|  | { | ||
|  | 	pthread_mutex_t a, b, c, d; | ||
|  | 
 | ||
|  | 	pthread_mutex_init(&a, NULL); | ||
|  | 	pthread_mutex_init(&b, NULL); | ||
|  | 	pthread_mutex_init(&c, NULL); | ||
|  | 	pthread_mutex_init(&d, NULL); | ||
|  | 
 | ||
|  | 	LOCK_UNLOCK_2(a, b); | ||
|  | 	LOCK_UNLOCK_2(c, d); | ||
|  | 	LOCK_UNLOCK_2(b, c); | ||
|  | 	LOCK_UNLOCK_2(d, a); | ||
|  | } |