From dcc691ea141162040540df5c770d9ab6d46672ce Mon Sep 17 00:00:00 2001
From: Niklas Keller <me@kelunik.com>
Date: Sun, 17 Sep 2017 22:11:18 +0200
Subject: [PATCH] Add guard for proc_terminate

---
 lib/Internal/Windows/Runner.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Internal/Windows/Runner.php b/lib/Internal/Windows/Runner.php
index baa01ae..44ef750 100644
--- a/lib/Internal/Windows/Runner.php
+++ b/lib/Internal/Windows/Runner.php
@@ -144,7 +144,7 @@ final class Runner implements ProcessRunner {
     /** @inheritdoc */
     public function destroy(ProcessHandle $handle) {
         /** @var Handle $handle */
-        if ($handle->status < ProcessStatus::ENDED) {
+        if ($handle->status < ProcessStatus::ENDED && \is_resource($handle->proc)) {
             try {
                 $this->kill($handle);
             } catch (ProcessException $e) {