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gh-104372: Drop the GIL around the vfork() call. by gpshead · Pull Request #104782 · python/cpython · GitHub
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gh-104372: Drop the GIL around the vfork() call. #104782

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Merged
gpshead merged 5 commits into from
May 25, 2023
Merged

gh-104372: Drop the GIL around the vfork() call. #104782

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2d54d8e
gh-104372: Drop the GIL around the vfork() call.
gpshead May 23, 2023
eb38573
Simplify: avoid -Wclobbered the compiler warning.
gpshead May 24, 2023
9197a4f
Docs: clarify that timeout= can't cover process creation.
gpshead May 24, 2023
02a8538
Merge branch 'main' into subprocess-drop-gil-before-vfork
gpshead May 24, 2023
df7f7ab
update the comment
gpshead May 25, 2023
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@gpshead
gpshead authored May 25, 2023
commit df7f7ab4587b5cc59bfe94dfe258e9ab8b19e974
3 changes: 2 additions & 1 deletion Modules/_posixsubprocess.c
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Expand Up @@ -813,7 +813,8 @@ do_fork_exec(char *const exec_array[],
*
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gpshead marked this conversation as resolved.
* The vfork'ed child still runs in our address space. Per POSIX it
* must be limited to nothing but exec, but the Linux implementation
* is a little more usable. See the child_exec() comment.
* is a little more usable. See the child_exec() comment - The child
* MUST NOT re-acquire the GIL.
*/
vfork_tstate_save = PyEval_SaveThread();
pid = vfork();
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