From 781dbf7de018190f84c92b23777ba83b0b2f85d0 Mon Sep 17 00:00:00 2001
From: Charles Haley <cbhaley@i.wont.say.com>
Date: Fri, 27 Oct 2017 10:03:38 +0200
Subject: [PATCH] Turn off socket inheritance for the wireless device "find
 calibre" broadcast socket. It appears that calibre restarts otherwise keep
 this socket open.

---
 src/calibre/devices/smart_device_app/driver.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/calibre/devices/smart_device_app/driver.py b/src/calibre/devices/smart_device_app/driver.py
index b137728ff1..647fee175e 100644
--- a/src/calibre/devices/smart_device_app/driver.py
+++ b/src/calibre/devices/smart_device_app/driver.py
@@ -1937,6 +1937,7 @@ class SMART_DEVICE_APP(DeviceConfig, DevicePlugin):
 
             try:
                 self.broadcast_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+                set_socket_inherit(self.broadcast_socket, False)
             except:
                 message = 'creation of broadcast socket failed. This is not fatal.'
                 self._debug(message)