Merge branch 'master' into closure

Author: Reasno

co-phpunit

@@ -1,6 +1,8 @@
 #!/usr/bin/env php
 <?php
-\Swoole\Coroutine::create(function () {
+
+$code = 0;
+\Swoole\Coroutine::create(function () use (&$code) {
     if (version_compare('7.1.0', PHP_VERSION, '>')) {
         fwrite(
             STDERR,
@@ -58,9 +60,8 @@
     require PHPUNIT_COMPOSER_INSTALL;
 
     $code = PHPUnit\TextUI\Command::main(false);
-    if ($code > 0) {
-        exit($code);
-    }
-
-    swoole_event_exit();
 });
+
+swoole_event_wait();
+
+exit($code);