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I am coming from Java , so i am familiar with synchronize and not mutex.
I wonder if pthread_mutex_t is also reentrancy. if not is there another mechanism for this?
Thank you
This depends on the mutex type, the default does no checking and an attempt to lock it more than once in the same thread results in undefined behavior. Read about it here.
You can create a mutex of type
PTHREAD_MUTEX_RECURSIVEto be able to recursively lock it, which is done by providing a pthread_mutexattr_t with the desired mutex type to pthread_mutex_init