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| author | Gregory P. Smith <gps@python.org> | 2023-05-25 20:14:09 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-05-25 20:14:09 (GMT) |
| commit | d08679212d9af52dd074cd4a6abb440edb944c9c (patch) | |
| tree | dc021738afae652454a1dfeb14ddf0d8ba6a82b5 /Python/modsupport.c | |
| parent | 08888650aa03e285a97f84f34c2629ec8a8a8681 (diff) | |
| download | cpython-d08679212d9af52dd074cd4a6abb440edb944c9c.zip cpython-d08679212d9af52dd074cd4a6abb440edb944c9c.tar.gz cpython-d08679212d9af52dd074cd4a6abb440edb944c9c.tar.bz2 | |
gh-104372: Drop the GIL around the vfork() call. (#104782)
On Linux where the `subprocess` module can use the `vfork` syscall for
faster spawning, prevent the parent process from blocking other threads
by dropping the GIL while it waits for the vfork'ed child process `exec`
outcome. This prevents spawning a binary from a slow filesystem from
blocking the rest of the application.
Fixes #104372.
Diffstat (limited to 'Python/modsupport.c')
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