sem_acquire
(PHP 4, PHP 5)
sem_acquire — Acquire a semaphore
Description
bool sem_acquire
( resource $sem_identifier
)
After processing a request, any semaphores acquired by the process but not
explicitly released will be released automatically and a warning will be
generated.
Parameters
-
sem_identifier
-
sem_identifier
is a semaphore resource,
obtained from sem_get().
Return Values
Returns TRUE on success or FALSE on failure.