Merge 'Hikariii/worker-process-name' into old-pulls

Closes chrisboulton/php-resque#337

Author: danhunsaker

lib/Resque/Worker.php

@@ -11,6 +11,11 @@
  */
 class Resque_Worker
 {
+	/**
+	 * @var string Prefix for the process name
+	 */
+	private static $processPrefix = 'resque';
+
 	/**
 	* @var LoggerInterface Logging object that impliments the PSR-3 LoggerInterface
 	*/
@@ -81,6 +86,15 @@ public function __construct($queues)
         $this->id = $this->hostname . ':'.getmypid() . ':' . implode(',', $this->queues);
     }
 
+	/**
+	 * Set the process prefix of the workers to the given prefix string.
+	 * @param string $prefix The new process prefix
+	 */
+	public static function setProcessPrefix($prefix)
+	{
+		self::$processPrefix = $prefix;
+	}
+
 	/**
 	 * Return all workers known to Resque as instantiated instances.
 	 * @return array
@@ -376,7 +390,7 @@ private function startup()
 	 */
 	private function updateProcLine($status)
 	{
-		$processTitle = 'resque-' . Resque::VERSION . ': ' . $status;
+		$processTitle = static::$processPrefix . '-' . Resque::VERSION . ': ' . $status;
 		if(function_exists('cli_set_process_title') && PHP_OS !== 'Darwin') {
 			cli_set_process_title($processTitle);
 		}