SyncReaderWriter::readlock

(PECL sync >= 1.0.0)

SyncReaderWriter::readlockWaits for a read lock

説明

public SyncReaderWriter::readlock ([ int $wait = -1 ] ) : bool

Obtains a read lock on a SyncReaderWriter object.

パラメータ

wait

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

返り値

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

例1 SyncReaderWriter::readlock() example

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

参考