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: http://old.master.cmc.msu.ru/php/function.sem-acquire.html
Дата изменения: Sun Feb 3 22:54:27 2002 Дата индексирования: Tue Oct 2 05:04:38 2012 Кодировка: |
Returns: TRUE on success, FALSE on error.
sem_acquire() blocks (if necessary) until the semaphore can be acquired. A process attempting to acquire a semaphore which it has already acquired will block forever if acquiring the semaphore would cause its max_acquire value to be exceeded.
After processing a request, any semaphores acquired by the process but not explicitly released will be released automatically and a warning will be generated.
See also: sem_get() and sem_release().