PHP 7.0.6 Released

    SyncReaderWriter::writelock

    (PECL sync >= 1.0.0)

    SyncReaderWriter::writelock — Waits for an exclusive write lock

    Description

    public bool SyncReaderWriter::writelock ([ integer $wait ] )

    Obtains an exclusive write lock on a SyncReaderWriter object.

    Parameters

    wait

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

    Return Values

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

    Examples

    Example #1 SyncReaderWriter::writelock() example

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

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