SyncReaderWriter::readlock

(PECL sync >= 1.0.0)

SyncReaderWriter::readlock — Waits for a read lock

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

Obtains a read lock on a SyncReaderWriter object.

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

Returns true on success or false on failure.

Example #1 SyncReaderWriter::readlock() example

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

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