PHP
处理控制 | Process Control

SyncReaderWriter::readlock

SyncReaderWriter::readlock

(PECL sync >= 1.0.0)

SyncReaderWriter::readlock — Waits for a read lock

Description

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

Obtains a read 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::readlock() example

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

See Also

  • SyncReaderWriter::readunlock() - Releases a read lock

← SyncReaderWriter::__construct

SyncReaderWriter::readunlock →

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