From 20294e284c540a5ce1ceab7c82f1d0c8fca569c9 Mon Sep 17 00:00:00 2001
From: grossmj <grossmj@gns3.net>
Date: Fri, 27 Apr 2018 17:00:28 +0700
Subject: [PATCH] Fix exception from send_signal() on Windows.

---
 gns3server/compute/vpcs/vpcs_vm.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/gns3server/compute/vpcs/vpcs_vm.py b/gns3server/compute/vpcs/vpcs_vm.py
index 787c0aa6..6449bb94 100644
--- a/gns3server/compute/vpcs/vpcs_vm.py
+++ b/gns3server/compute/vpcs/vpcs_vm.py
@@ -313,7 +313,10 @@ class VPCSVM(BaseNode):
 
         log.info("Stopping VPCS instance {} PID={}".format(self.name, self._process.pid))
         if sys.platform.startswith("win32"):
-            self._process.send_signal(signal.CTRL_BREAK_EVENT)
+            try:
+                self._process.send_signal(signal.CTRL_BREAK_EVENT)
+            except OSError:
+                pass
         else:
             try:
                 self._process.terminate()