Threaded::synchronized

    (PECL pthreads >= 2.0.0)

    Threaded::synchronized — Synchronization

    Description

    public Threaded::synchronized(Closure $block, mixed ...$args): mixed

    Executes the block while retaining the referenced objects synchronization lock for the calling context

    Parameters

    block

    The block of code to execute

    args

    Variable length list of arguments to use as function arguments to the block

    Return Values

    The return value from the block

    Examples

    Example #1 Synchronizing

    <?php
    class My extends Thread {
    public function     run() {
    $this->synchronized(function($thread){
    if (!    $thread->done)
    $thread->wait();
    },     $this);
    }
    }
    $my = new My();
    $my->start();
    $my->synchronized(function($thread){
    $thread->done = true;
    $thread->notify();
    },     $my);
    var_dump($my->join());
    ?>

    The above example will output:

    bool(true)

    Improve This Page

    Learn How To Improve This Page • Submit a Pull Request • Report a Bug
    ＋add a note

    User Contributed Notes 1 note

    up
    4
    john dot wellesz at teaser dot fr
    10 years ago
    Threaded::synchronized() allows you to safely set or read synchronization conditions and act upon them (using ::wait() and ::notify()) knowing that only one call to synchronized() on the referenced object can be executed at a particular time, other calls from different thread contexts will block until the path is cleared by a call to ::wait() inside your ::Synchronized() closure.
    ＋add a note
    To Top