add KILLER PROMPT function

src/ZM/Utils/SignalListener.php

@@ -16,6 +16,7 @@ use ZM\Console\Console;
  */
 class SignalListener
 {
+    private static $manager_kill_time = 0;
     /**
      * 监听Master进程的Ctrl+C
      * @param Server $server
@@ -29,6 +30,7 @@ class SignalListener
             } else {
                 echo "\r";
                 Console::warning("Server interrupted(SIGINT) on Master.");
+                Console::warning("Server will be shutdown.");
                 Process::kill($server->master_pid, SIGTERM);
             }
         });
@@ -48,6 +50,7 @@ class SignalListener
             } else {
                 Console::verbose("Interrupted in manager!");
             }
+            self::processKillerPrompt();
         };
         Console::debug("Listening Manager SIGINT");
         if (version_compare(SWOOLE_VERSION, "4.6.7") >= 0) {
@@ -65,15 +68,40 @@ class SignalListener
     public static function signalWorker(Server $server, $worker_id) {
         Console::debug("Listening Worker #".$worker_id." SIGINT");
         Process::signal(SIGINT, function () use ($worker_id, $server) {
-            if ($server->master_pid == $server->worker_pid) {
+            if ($server->master_pid == $server->worker_pid) { // 当Swoole以单进程模型运行的时候，Worker需要监听杀死的信号
                 echo "\r";
                 Console::warning("Server interrupted(SIGINT) on Worker.");
                 swoole_timer_after(2, function() {
                     Process::kill(posix_getpid(), SIGTERM);
                 });
+                self::processKillerPrompt();
             }
             //Console::verbose("Interrupted in worker");
             // do nothing
         });
     }
+
+    /**
+     * 按5次Ctrl+C后强行杀死框架的处理函数
+     */
+    private static function processKillerPrompt() {
+        if (self::$manager_kill_time > 0) {
+            if (self::$manager_kill_time >= 5) {
+                $file_path = _zm_pid_dir();
+                $flist = DataProvider::scanDirFiles($file_path, false, true);
+                foreach($flist as $file) {
+                    $name = explode('.', $file);
+                    if (end($name) == 'pid' && $name[0] !== 'manager') {
+                        $pid = file_get_contents($file_path.'/'.$file);
+                        Process::kill($pid, SIGKILL);
+                    }
+                    unlink($file_path.'/'.$file);
+                }
+            } else {
+                echo "\r";
+                Console::log("再按" . (5 - self::$manager_kill_time) . "次Ctrl+C所有Worker进程就会被强制杀死", 'red');
+            }
+        }
+        self::$manager_kill_time++;
+    }
 }