Skip to content

gh-129204: Add _PYTHON_SUBPROCESS_USE_POSIX_SPAWN environment knob #132184

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
gpshead merged 2 commits into from
Apr 7, 2025
Merged

gh-129204: Add _PYTHON_SUBPROCESS_USE_POSIX_SPAWN environment knob #132184

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
10029dd
Add _PYTHON_SUBPROCESS_USE_POSIX_SPAWN environment knob
vfazio Apr 7, 2025
e08d8dd
fixup NEWS entry
vfazio Apr 7, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 3 additions & 0 deletions Lib/subprocess.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -715,6 +715,9 @@ def _use_posix_spawn():
# os.posix_spawn() is not available
return False

if ((_env := os.environ.get('_PYTHON_SUBPROCESS_USE_POSIX_SPAWN')) in ('0', '1')):
return bool(int(_env))

if sys.platform in ('darwin', 'sunos5'):
# posix_spawn() is a syscall on both macOS and Solaris,
# and properly reports errors
Expand Down
2 changes: 2 additions & 0 deletions Misc/NEWS.d/next/Library/2025-04-06-19-25-12.gh-issue-129204.sAVFO6.rst
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,2 @@
Introduce new ``_PYTHON_SUBPROCESS_USE_POSIX_SPAWN`` environment variable knob in
:mod:`subprocess` to control the use of :func:`os.posix_spawn`.
Loading