(PHP 4 >= 4.1.0)

sem_remove -- Remove a semaphore


bool sem_remove ( int sem_identifier)

sem_remove() removes the semaphore sem_identifier if it has been created by sem_get(), otherwise generates a warning.

如果成功则返回 TRUE,失败则返回 FALSE

After removing the semaphore, it is no more accessible.

See also: sem_get(), sem_release() and sem_acquire().

注: This function does not work on Windows systems. It was added on PHP 4.1.0.

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