Avoid SEGFAULTs for ext-event on Windows by clearing all Event refs

Author: clue

.travis.yml

@@ -51,8 +51,6 @@ matrix:
         - php -r "file_put_contents(php_ini_loaded_file(),'extension=event'.PHP_EOL,FILE_APPEND);"
       install:
         - composer install
-      script:
-        - vendor/bin/phpunit --coverage-text || ([[ $? = 139 ]] && echo && echo "Ignoring SEGFAULT.." >&2) # ignore unrelated SEGFAULT when all tests pass
   allow_failures:
     - php: hhvm
     - os: windows

src/ExtEventLoop.php

@@ -59,6 +59,17 @@ public function __construct()
         $this->createStreamCallback();
     }
 
+    public function __destruct()
+    {
+        // explicitly clear all references to Event objects to prevent SEGFAULTs on Windows
+        foreach ($this->timerEvents as $timer) {
+            $this->timerEvents->detach($timer);
+        }
+
+        $this->readEvents = array();
+        $this->writeEvents = array();
+    }
+
     public function addReadStream($stream, $listener)
     {
         $key = (int) $stream;