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    GearmanWorker::wait

    (PECL gearman >= 0.6.0)

    GearmanWorker::wait — Wait for activity from one of the job servers

    Descrizione

    public GearmanWorker::wait(): bool

    Causes the worker to wait for activity from one of the Gearman job servers when operating in non-blocking I/O mode. On failure, issues a E_WARNING with the last Gearman error encountered.

    Elenco dei parametri

    Questa funzione non contiene parametri.

    Valori restituiti

    Restituisce true in caso di successo, false in caso di fallimento.

    Esempi

    Example #1 Running worker in non-blocking mode

    <?php

    echo "Starting\n";

    # Create our worker object
    $worker= new GearmanWorker();

    # Make the worker non-blocking
    $worker->addOptions(GEARMAN_WORKER_NON_BLOCKING);

    # Add the default server (localhost, port 4730)
    $worker->addServer();

    # Add our reverse function
    $worker->addFunction('reverse', 'reverse_fn');

    # Try to grab a job
    while (@$worker->work() ||
    $worker->returnCode() == GEARMAN_IO_WAIT ||
    $worker->returnCode() == GEARMAN_NO_JOBS)
    {
    if (    $worker->returnCode() == GEARMAN_SUCCESS)
    continue;

    echo     "Waiting for next job...\n";
    if (!@    $worker->wait())
    {
    if (    $worker->returnCode() == GEARMAN_NO_ACTIVE_FDS)
    {
    # We are not connected to any servers, so wait a bit before
    # trying to reconnect.
    sleep(5);
    continue;
    }
    break;
    }
    }

    echo     "Worker Error: " . $worker->error() . "\n";

    function     reverse_fn($job)
    {
    return     strrev($job->workload());
    }


    ?>

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