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For mutexs and semaphores, we acquired resources in a blocking manner with wait(). Why don't we add a new function to check for resource availability

For mutexs and semaphores, we acquired resources in a blocking manner with wait(). Why don't we add a new function to check for resource availability and lock it in one atomic step (i.e., a non-blocking function that immediately either locks the resource and returns true or fails to lock and returns false), instead of adding an OS-level method for handling deadlocks.

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