Merge pull request #205 from BlueTM/hotfix/bug-fix-signals

Fix bug: task was ending when signal was received not after was evaluated

Author: mihaileu

Command/GearmanJobExecuteCommand.php

@@ -79,6 +79,8 @@ protected function configure()
 
     protected function execute(InputInterface $input, OutputInterface $output)
     {
+        $this->gearmanExecute->addSystemSignalListener();
+
         /**@var QuestionHelper $question*/
         $question =  $this->getHelper('question');
 

Command/GearmanWorkerExecuteCommand.php

@@ -81,6 +81,8 @@ protected function configure()
 
     protected function execute(InputInterface $input, OutputInterface $output)
     {
+        $this->gearmanExecute->addSystemSignalListener();
+
         /**
          * @var QuestionHelper $question
          */

Service/Abstracts/AbstractGearmanService.php

@@ -39,7 +39,7 @@ public function __construct(GearmanCacheWrapper $gearmanCacheWrapper, array $def
         $this->workers = $gearmanCacheWrapper->getWorkers();
 
         if (isset($defaultSettings['job_prefix'])) {
-            $this->jobPrefix = $defaultSettings['job_prefix']??null;
+            $this->jobPrefix = $defaultSettings['job_prefix'];
         }
     }
 

Service/GearmanExecute.php

@@ -90,22 +90,25 @@ public function __construct(GearmanCacheWrapper $gearmanCacheWrapper, array $def
 
 
         $this->stopWorkSignalReceived = false;
+    }
 
-        /**
-         * If the pcntl_signal exists, subscribe to the terminate and restart events for graceful worker stops.
-         */
-        if (false !== function_exists('pcntl_signal')) {
-            declare(ticks=1);
-            pcntl_signal(SIGTERM, [$this,"handleSystemSignal"]);
-            pcntl_signal(SIGHUP, [$this,"handleSystemSignal"]);
+    public function addSystemSignalListener(): void
+    {
+        if (extension_loaded('pcntl')) {
+            pcntl_async_signals(true);
+
+            pcntl_signal(SIGTERM, [$this, 'handleSystemSignal']);
+            pcntl_signal(SIGINT, [$this, 'handleSystemSignal']);
+            pcntl_signal(SIGHUP, [$this, 'handleSystemSignal']);
+
+            pcntl_signal_dispatch();
         }
     }
 
     /**
-     * Toggles that work should be stopped, we only subscribe to SIGTERM and SIGHUP
-     * @param int $signo Signal number
+     * Toggles that work should be stopped, we only subscribe to SIGTERM,SIGINT and SIGHUP
      */
-    public function handleSystemSignal($signo)
+    public function handleSystemSignal(): void
     {
         $this->stopWorkSignalReceived = true;
     }