Siddhesh Poyarekar 0e3b5d6a68 Take lock in pthread_cond_wait cleanup handler only when needed ... [BZ #14652] When a thread waiting in pthread_cond_wait with a PI mutex is cancelled after it has returned successfully from the futex syscall but just before async cancellation is disabled, it enters its cancellation handler with the mutex held and simply calling a mutex_lock again will result in a deadlock. Hence, it is necessary to see if the thread owns the lock and try to lock it only if it doesn't.		2012-10-10 12:52:56 +05:30
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sysv/linux	Take lock in pthread_cond_wait cleanup handler only when needed	2012-10-10 12:52:56 +05:30