Should read mq_receive and write mq_send be protected by semaphores when accessing a queue in a multiprocess program or is there any sort of protection alredy built in
Should mqueues be protected by semaphores
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It's always recomended to read the formal documentation for API you are using.
Specifcally for
mq_receiveandmq_sendthese are:In the atributes section you can see that both these functions are thread safe, meaning you can access them from multiple threads without additional protection.