multithreading - How to make a robust mutex on AIx [7.1] -

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lets assume 2 threads belonging 2 separate processes share same mutex object. if thread holding lock mutex dies; how thread b able recover mutex , obtain lock. know on other platforms can declare mutex robust [pthread_mutexattr_setrobust] , use [pthread_mutex_consistent] recover mutex. these functions not available on aix 7.1


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