#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, d);
LOCK_UNLOCK_2(d, a);
}
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