Php/docs/mutex.trylock
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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
Mutex::trylock
(
int
$mutex
) : bool
Attempt to lock the Mutex for the caller without blocking if the Mutex is owned (locked) by another Thread.
Return Values
A boolean indication of success.
Examples
Example #1 Mutex Locking and Unlocking
<?php/** You cannot use the "new" keyword, a Mutex is not a PHP object **/$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)
