SyncReaderWriter::readlock

    (PECL sync >= 1.0.0)

    SyncReaderWriter::readlock — Waits for a read lock

    Description

    publicSyncReaderWriter::readlock(int$wait = -1): bool

    Obtains a read lock on a SyncReaderWriter object.

    Parameters

    wait

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

    Return Values

    Returns true on success or false on failure.

    Examples

    Example #1 SyncReaderWriter::readlock() example

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

    $readwrite->readunlock();
    ?>

    See Also

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