Mutex::trylock
(PECL pthreads < 3.0.0)
Mutex::trylock — Attempt to Acquire Mutex
Warning
The Mutex class has been removed in pthreads v3.
Description
final public static boolean Mutex::trylock ( long $mutex )
Attempt to lock the Mutex for the caller without blocking if the Mutex is owned (locked) by another Thread.
Parameters
mutex
A handle returned by a previous call to Mutex::create().
Return Values
A boolean indication of success.
Examples
Example #1 Mutex Locking and Unlocking
<?php
/**?You?cannot?use?the?"new"?keyword,?a?Mutex?is?not?a?PHP?object?**/
$mutex?=?Mutex::create();
/**?You?can?now?try?to?lock?the?mutex?in?any?context?**/
var_dump(Mutex::trylock($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);
?>
The above example will output:
bool(true)
bool(true)
← Mutex::lock
Mutex::unlock →
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Licensed under the Creative Commons Attribution License v3.0 or later.
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