Definition of "mutex" [mutex]

• An object in a program that serves as a lock, used to negotiate mutual exclusion among threads. (noun)

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• "On Solaris and Linux a Parker contains a pthread condvar (named _condvar), mutex (named _mutex), and a volatile integer, _counter, that represents the state of the semaphore."
• "One solution to this is to use a mutex, which is similar to a"
• "We call a mutex (mutual exclusion) a semaphore with a value of one."