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GearmanWorker::wait

(PECL gearman >= 0.6.0)

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

Опис

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.

Параметри

У цієї функції немає параметрів.

Значення, що повертаються

Повертає true у разі успіху або false в разі помилки.

Приклади

Приклад #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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