GoLang SyncMutex::__construct

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PHP SyncMutex::__construct

PHP original manual for SyncMutex::__construct [ show | php.net ]

SyncMutex::__construct

(PECL sync >= 1.0.0)

SyncMutex::__construct — Constructs a new SyncMutex object

Description

public SyncMutex::__construct ([ string $name ] )

Constructs a named or unnamed countable mutex.

Parameters

name

The name of the mutex if this is a named mutex object.

Note:

If the name already exists, it must be able to be opened by the current user that the process is running as or an exception will be thrown with a meaningless error message.

Return Values

The new SyncMutex object. An exception is thrown if the mutex cannot be created or opened.

Examples

Example #1 SyncMutex::__construct() named mutex with lock timeout example

<?php
$mutex = new SyncMutex("UniqueName");

if (!$mutex->lock(3000))
{
    echo "Unable to lock mutex.";

    exit();
}

/* ... */

$mutex->unlock();
?>

Example #2 SyncMutex::__construct() unnamed mutex example

<?php
$mutex = new SyncMutex();

$mutex->lock();

/* ... */

$mutex->unlock();
?>

See Also