SyncReaderWriter
PHP Manual

SyncReaderWriter::writelock

(PECL sync >= 1.0.0)

SyncReaderWriter::writelockWaits for an exclusive write lock

Descrierea

public bool SyncReaderWriter::writelock ([ integer $wait = -1 ] )

Obtains an exclusive write lock on a SyncReaderWriter object.

Parametri

wait

The number of milliseconds to wait for a lock. A value of -1 is infinite.

Valorile întoarse

A boolean of TRUE if the lock was obtained, FALSE otherwise.

Exemple

Example #1 SyncReaderWriter::writelock() example

<?php
$readwrite 
= new SyncReaderWriter("FileCacheLock");
$readwrite->writelock();
/* ... */
$readwrite->writeunlock();
?>

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SyncReaderWriter
PHP Manual