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A deadlock occurs when a thread holds a resource and trying to acquire other resource already held by another thread,while that thread is also waiting for the first thread resource. Any number of threads can be involved in a deadlock if there is at least one resource per thread.Below are techniques to avoid deadlock:
- venkat December 16, 20131) Use sequence number with mutexes. Associate a sequence number with each mutex and acquire mutex in sequence. Never acquire a sequence number which is lower than sequence number already hold by thread.
2) Avoid locking more than one mutex at the same time.