首页
学习
活动
专区
工具
TVP
发布
精选内容/技术社群/优惠产品,尽在小程序
立即前往

SyncReaderWriter::writelock

(PECL sync >= 1.0.0)

SyncReaderWriter::writelock — Waits for an exclusive write lock

Description

代码语言:javascript
复制
public bool SyncReaderWriter::writelock ([ integer $wait = -1 ] )

Obtains an exclusive write lock on a SyncReaderWriter object.

Parameters

wait

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

Return Values

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

Examples

Example #1 SyncReaderWriter::writelock() example

代码语言:javascript
复制
<?php
$readwrite?=?new?SyncReaderWriter("FileCacheLock");
$readwrite->writelock();
/*?...?*/
$readwrite->writeunlock();
?>

See Also

  • SyncReaderWriter::writeunlock() - Releases a write lock

← SyncReaderWriter::readunlock

SyncReaderWriter::writeunlock →

代码语言:txt
复制
 ? 1997–2017 The PHP Documentation Group

Licensed under the Creative Commons Attribution License v3.0 or later.

扫码关注腾讯云开发者

领取腾讯云代金券

http://www.vxiaotou.com