https://github.com/python/cpython/commit/6990d1b6131873c7f0913908162e4c723d0... commit: 6990d1b6131873c7f0913908162e4c723d00ea19 branch: 3.7 author: Adam Meily <ameily@users.noreply.github.com> committer: Steve Dower <steve.dower@python.org> date: 2020-01-28T21:29:16+11:00 summary: bpo-38092: Reduce overhead when using multiprocessing in a Windows virtual environment (GH-16098) files: A Misc/NEWS.d/next/Windows/2020-01-24-03-07-14.bpo-39439.rwMWDR.rst M Lib/multiprocessing/popen_spawn_win32.py diff --git a/Lib/multiprocessing/popen_spawn_win32.py b/Lib/multiprocessing/popen_spawn_win32.py index e01953d32b7a4..d9442094909bd 100644 --- a/Lib/multiprocessing/popen_spawn_win32.py +++ b/Lib/multiprocessing/popen_spawn_win32.py @@ -69,7 +69,7 @@ def __init__(self, process_obj): try: hp, ht, pid, tid = _winapi.CreateProcess( python_exe, cmd, - env, None, False, 0, None, None, None) + None, None, False, 0, env, None, None) _winapi.CloseHandle(ht) except: _winapi.CloseHandle(rhandle) diff --git a/Misc/NEWS.d/next/Windows/2020-01-24-03-07-14.bpo-39439.rwMWDR.rst b/Misc/NEWS.d/next/Windows/2020-01-24-03-07-14.bpo-39439.rwMWDR.rst new file mode 100644 index 0000000000000..d64e63757728a --- /dev/null +++ b/Misc/NEWS.d/next/Windows/2020-01-24-03-07-14.bpo-39439.rwMWDR.rst @@ -0,0 +1 @@ +Reduce overhead when using multiprocessing in a Windows virtual environment \ No newline at end of file