bpo-38092: Reduce overhead when using multiprocessing in a Windows virtual environment (GH-16098)

ameily · zooba · commit 6990d1b61318 · 2020-01-28T21:29:16.000+11:00
diff --git 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
@@ -0,0 +1 @@
+Reduce overhead when using multiprocessing in a Windows virtual environment

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+Reduce overhead when using multiprocessing in a Windows virtual environment`