PHP 7.4.0 alpha 1 Released

SyncReaderWriter::writelock

(PECL sync >= 1.0.0)

SyncReaderWriter::writelockWaits for an exclusive write lock

Описание

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

Obtains an exclusive write lock on a SyncReaderWriter object.

Список параметров

wait

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

Возвращаемые значения

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

Примеры

Пример #1 SyncReaderWriter::writelock() example

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

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