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[3.10] bpo-44935: enable posix_spawn() on Solaris (GH-27795) #27800

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Merged
miss-islington merged 1 commit into from
Aug 17, 2021
Merged

[3.10] bpo-44935: enable posix_spawn() on Solaris (GH-27795) #27800

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5 changes: 3 additions & 2 deletions Lib/subprocess.py
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Original file line number Diff line number Diff line change
Expand Up @@ -660,8 +660,9 @@ def _use_posix_spawn():
# os.posix_spawn() is not available
return False

if sys.platform == 'darwin':
# posix_spawn() is a syscall on macOS and properly reports errors
if sys.platform in ('darwin', 'sunos5'):
# posix_spawn() is a syscall on both macOS and Solaris,
# and properly reports errors
return True

# Check libc name and runtime libc version
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2 changes: 2 additions & 0 deletions Misc/NEWS.d/next/Library/2021-08-17-16-01-44.bpo-44935.roUl0G.rst
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Original file line number Diff line number Diff line change
@@ -0,0 +1,2 @@
:mod:`subprocess` on Solaris now also uses :func:`os.posix_spawn()` for
better performance.