From 411af6c1675330214b00baeef32614e366196621 Mon Sep 17 00:00:00 2001
From: David Wilson <dw@botanicus.net>
Date: Sun, 4 Nov 2018 11:25:22 +0000
Subject: [PATCH] issue #406: unix: don't leak already-closed socket object

if Side.close() closes the socket (which it does), and it gets reused,
GC will cause socketobject.__del__ to later delete some random FD.
---
 mitogen/unix.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/mitogen/unix.py b/mitogen/unix.py
index 417842bc..cc2d92ff 100644
--- a/mitogen/unix.py
+++ b/mitogen/unix.py
@@ -78,6 +78,11 @@ class Listener(mitogen.core.BasicStream):
         self.receive_side = mitogen.core.Side(self, self._sock.fileno())
         router.broker.start_receive(self)
 
+    def on_shutdown(self, broker):
+        self._sock.close()
+        self.receive_side.closed = True
+        broker.stop_receive(self)
+
     def _accept_client(self, sock):
         sock.setblocking(True)
         try: