From: Ben Darnell <ben@bendarnell.com>
Date: Thu, 20 Sep 2012 06:02:56 +0000 (-0700)
Subject: Don't try to call set_wakeup_fd on windows, it crashes the process.
X-Git-Tag: v3.0.0~272^2~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a8a7ee408bc4d778e8fb1c47c036438be236f906;p=thirdparty%2Ftornado.git

Don't try to call set_wakeup_fd on windows, it crashes the process.
---

diff --git a/tornado/ioloop.py b/tornado/ioloop.py
index 6621f920e..c9af31b61 100644
--- a/tornado/ioloop.py
+++ b/tornado/ioloop.py
@@ -287,7 +287,9 @@ class IOLoop(object):
         # written to.  As long as the wakeup fd is registered on the IOLoop,
         # the loop will still wake up and everything should work.
         old_wakeup_fd = None
-        if hasattr(signal, 'set_wakeup_fd'):  # requires python 2.6+, unix
+        if hasattr(signal, 'set_wakeup_fd') and os.name == 'posix':
+            # requires python 2.6+, unix.  set_wakeup_fd exists but crashes
+            # the python process on windows.
             try:
                 old_wakeup_fd = signal.set_wakeup_fd(self._waker.write_fileno())
             except ValueError:  # non-main thread