SyncReaderWriter::writelock

(PECL sync >= 1.0.0)

SyncReaderWriter::writelock — Waits for an exclusive write lock

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

Obtains an exclusive write lock on a SyncReaderWriter object.

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

Gibt bei Erfolg true zurück. Bei einem Fehler wird false zurückgegeben.

Beispiel #1 SyncReaderWriter::writelock() example

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

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