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.

diff --git a/Lib/test/regrtest.py b/Lib/test/regrtest.py
index 9c4584c54c55727b58e36e9b40a5127de53f7678..308baf462760ff150fb72600da2f56df2ea11a97 100755 (executable)
--- 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.