diff options
| author | Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> | 2019-09-13 16:59:11 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-09-13 16:59:11 (GMT) |
| commit | 436b429ade87b10879b3f944e99a515478e86e5e (patch) | |
| tree | 007396782ba2e35d699465a5ea3f481a34bc6cbe | |
| parent | 83c21fdc36070f9fa3eb3b68181630e2cc6480fe (diff) | |
| download | cpython-436b429ade87b10879b3f944e99a515478e86e5e.zip cpython-436b429ade87b10879b3f944e99a515478e86e5e.tar.gz cpython-436b429ade87b10879b3f944e99a515478e86e5e.tar.bz2 | |
bpo-38092: Reduce overhead when using multiprocessing in a Windows virtual environment (GH-16098)
https://bugs.python.org/issue38092
(cherry picked from commit f2b7556ef851ac85e7cbf189d1b29fdeb9539b88)
Co-authored-by: Steve Dower <steve.dower@python.org>
| -rw-r--r-- | Lib/multiprocessing/popen_spawn_win32.py | 2 | ||||
| -rw-r--r-- | Lib/multiprocessing/spawn.py | 2 | ||||
| -rw-r--r-- | Misc/NEWS.d/next/Windows/2019-09-13-14-11-42.bpo-38092.x31ehI.rst | 1 |
3 files changed, 3 insertions, 2 deletions
diff --git a/Lib/multiprocessing/popen_spawn_win32.py b/Lib/multiprocessing/popen_spawn_win32.py index ea9c555..9c4098d 100644 --- a/Lib/multiprocessing/popen_spawn_win32.py +++ b/Lib/multiprocessing/popen_spawn_win32.py @@ -72,7 +72,7 @@ class Popen(object): 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/Lib/multiprocessing/spawn.py b/Lib/multiprocessing/spawn.py index 7cc129e..075f345 100644 --- a/Lib/multiprocessing/spawn.py +++ b/Lib/multiprocessing/spawn.py @@ -36,7 +36,7 @@ else: if WINSERVICE: _python_exe = os.path.join(sys.exec_prefix, 'python.exe') else: - _python_exe = sys.executable + _python_exe = sys._base_executable def set_executable(exe): global _python_exe diff --git a/Misc/NEWS.d/next/Windows/2019-09-13-14-11-42.bpo-38092.x31ehI.rst b/Misc/NEWS.d/next/Windows/2019-09-13-14-11-42.bpo-38092.x31ehI.rst new file mode 100644 index 0000000..48e83c8 --- /dev/null +++ b/Misc/NEWS.d/next/Windows/2019-09-13-14-11-42.bpo-38092.x31ehI.rst @@ -0,0 +1 @@ +Reduce overhead when using multiprocessing in a Windows virtual environment. |