Mutex::lock
(PECL pthreads >= 2.0.0)
Mutex::lock — Acquire Mutex
Описание
final
public
static
boolean
Mutex::lock
(
long
$mutex
)Attempt to lock the Mutex for the caller.
An attempt to lock a Mutex owned (locked) by another Thread will result in blocking.
Список параметров
-
mutex -
A handle returned by a previous call to Mutex::create().
Возвращаемые значения
A boolean indication of success.
Возвращаемые значения
A newly created and optionally locked Mutex handle
Примеры
Пример #1 Mutex Locking and Unlocking
<?php
/** You cannot use the "new" keyword, a Mutex is not a PHP object **/
$mutex = Mutex::create();
/** You can now lock the mutex in any context **/
var_dump(Mutex::lock($mutex));
/** It is invalid to attempt to destroy a locked Mutex **/
var_dump(Mutex::unlock($mutex));
/** Always destroy mutex you have created **/
Mutex::destroy($mutex);
?>
Результат выполнения данного примера:
bool(true) bool(true)
Коментарии
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