SyncReaderWriter::writelock

(PECL sync >= 1.0.0)

SyncReaderWriter::writelock — Waits for an exclusive write lock

説明

public SyncReaderWriter::writelock(int $wait = -1): bool

Obtains an exclusive write 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.

戻り値

成功した場合に true を、失敗した場合に false を返します。

例

例1 SyncReaderWriter::writelock() example

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

参考

関連キーワード: 　lock, SyncReaderWriter, exclusive, Waits, writelock, wait, writeunlock, public, int, readunlock