(PHP 4 >= 4.1.0, PHP 5, PHP 7)
sem_remove — Remove a semaphore
$sem_identifier
sem_remove() removes the given semaphore.
After removing the semaphore, it is no longer accessible.
sem_identifier
A semaphore resource identifier as returned by sem_get().
성공 시 TRUE를, 실패 시 FALSE를 반환합니다.
TRUE
FALSE