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Random man page:
sem_post(2) -- unlock a POSIX semaphore
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sem_post() is used to post the semaphore referenced by sem. The calling thread will not return from its call to sem_post() unless it can either: increment the semaphore value, if there are no blocked threads on this semaphore; give the semaphore to a blocked thread, if there are any blocked threads on this semaphore; or have an error condition. If the semaphore value is < 0, the semaphore has bloc... |
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