Mahesh

 Profile Answers by Mahesh 

• Oct 3rd, 2005

 

Condition: If the two threads lock mutexes 1 and 2 respectively, then a deadlock occurs when each attempts to lock the other mutex.

Mahesh

 Profile Answers by Mahesh 

• Oct 3rd, 2005

 

Maheswaran Wrote: Condition: If the two threads lock mutexes 1 and 2 respectively, then a deadlock occurs when each attempts to lock the other mutex.

Thread 1	Thread 2
/* use resource 1 */	/* use resource 2 */
pthread_mutex_lock(&m1);	pthread_mutex_lock(&m2);
/* NOW use resources 2 + 1 */	/* NOW use resources 1 + 2 */
pthread_mutex_lock(&m2);	pthread_mutex_lock(&m1);
pthread_mutex_lock(&m1);	pthread_mutex_lock(&m2);