SyncMutex::__construct

Constructs a new SyncMutex object

Beschreibung

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

Constructs a named or unnamed countable mutex.

Parameter-Liste

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

Hinweis:
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.

Rückgabewerte

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

Beispiele

Beispiel #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();
?>

Beispiel #2 SyncMutex::__construct unnamed mutex example


<?php
$mutex = new SyncMutex();

$mutex->lock();

/* ... */

$mutex->unlock();
?>

Siehe auch

SyncMutex::lock
SyncMutex::unlock