SyncReaderWriter::writelock

(PECL sync >= 1.0.0)

SyncReaderWriter::writelock — Waits for an exclusive write lock

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

Obtains an exclusive write 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::writelock() example

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

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