From 36e778ef02b74f8a965da1205813e685e3ffcff4 Mon Sep 17 00:00:00 2001
From: Antoine Pitrou <solipsis@pitrou.net>
Date: Wed, 18 Aug 2010 20:44:14 +0000
Subject: [PATCH] Issue #9433: The "-j" option to regrtest now works under
 Windows too. It is not sure it will be beneficial, though, since process
 launching is more expensive under Windows than it is under Linux.

---
 Lib/test/regrtest.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Lib/test/regrtest.py b/Lib/test/regrtest.py
index 9c4584c54c5..308baf46276 100755
--- a/Lib/test/regrtest.py
+++ b/Lib/test/regrtest.py
@@ -547,7 +547,8 @@ def main(tests=None, testdir=None, verbose=0, quiet=False,
                     popen = Popen([sys.executable, '-E', '-m', 'test.regrtest',
                                    '--slaveargs', json.dumps(args_tuple)],
                                    stdout=PIPE, stderr=PIPE,
-                                   universal_newlines=True, close_fds=True)
+                                   universal_newlines=True,
+                                   close_fds=(os.name != 'nt'))
                     stdout, stderr = popen.communicate()
                     # Strip last refcount output line if it exists, since it
                     # comes from the shutdown of the interpreter in the subcommand.