SyncReaderWriter::readlock

(PECL sync >= 1.0.0)

SyncReaderWriter::readlock — Waits 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.

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::readlock() example

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

参考

関連キーワード: 　lock, read, SyncReaderWriter, Waits, readlock, wait, readunlock, public, int, construct