/**
* Register this worker in Redis and signal handlers that a worker should respond to
*
* - TERM: Shutdown immediately and stop processing jobs
* - INT: Shutdown immediately and stop processing jobs
* - QUIT: Shutdown after the current job finishes processing
* - USR1: Kill the forked child immediately and continue processing jobs
*/
public function register()
{
$this->log('Registering worker <pop>' . $this . '</pop>', Logger::NOTICE);
$this->redis->sadd(self::redisKey(), $this->id);
$this->redis->hmset(self::redisKey($this), array('started' => microtime(true), 'hostname' => (string) $this->host, 'pid' => getmypid(), 'memory' => memory_get_usage(), 'memory_limit' => $this->memoryLimit, 'queues' => implode(',', $this->queues), 'blocking' => $this->blocking, 'status' => $this->status, 'interval' => $this->interval, 'timeout' => $this->timeout, 'processed' => 0, 'cancelled' => 0, 'failed' => 0, 'job_id' => '', 'job_pid' => 0, 'job_started' => 0));
if (function_exists('pcntl_signal')) {
$this->log('Registering sig handlers for worker ' . $this, Logger::DEBUG);
declare (ticks=1);
pcntl_signal(SIGTERM, array($this, 'sigForceShutdown'));
pcntl_signal(SIGINT, array($this, 'sigForceShutdown'));
pcntl_signal(SIGQUIT, array($this, 'sigShutdown'));
pcntl_signal(SIGUSR1, array($this, 'sigCancelJob'));
pcntl_signal(SIGUSR2, array($this, 'sigPause'));
pcntl_signal(SIGCONT, array($this, 'sigResume'));
pcntl_signal(SIGPIPE, array($this, 'sigWakeUp'));
}
register_shutdown_function(array($this, 'unregister'));
Event::fire(Event::WORKER_REGISTER, $this);
}