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Lock and semaphore comparison

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Semaphore allows only one thread per process to share that same lock, lock — multiple threads of the same process

Lock is an object, while semaphore is an integer with values

Lock allows only one thread per process to share the same lock, semaphore – multiple threads of the same process

Semaphore is an object, while lock is an integer with values

Both, lock and semaphore, have subtypes.

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