SyncReaderWriter::readlock

(PECL sync >= 1.0.0)

SyncReaderWriter::readlock — Waits for a read lock

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

Obtains a read lock on a SyncReaderWriter object.

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wait

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

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

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Example #1 SyncReaderWriter::readlock() example

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

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