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Title: bpo-35823: Allow setsid() after vfork() on Linux. by gpshead · Pull Request #22945 · python/cpython · GitHub

Open Graph Title: bpo-35823: Allow setsid() after vfork() on Linux. by gpshead · Pull Request #22945 · python/cpython

X Title: bpo-35823: Allow setsid() after vfork() on Linux. by gpshead · Pull Request #22945 · python/cpython

Description: It should just be a syscall updating a couple of fields in the kernel side process info. Confirming, in glibc is appears to be a shim for the setsid syscall (based on not finding any code implementing anything special for it) and in uclibc (much easier to read) it is clearly just a setsid syscall shim. A breadcrumb suggesting that it is not allowed on Darwin/macOS comes from a commit in emacs: https://lists.gnu.org/archive/html/bug-gnu-emacs/2017-04/msg00297.html but I don't have a way to verify if that is true or not. As we are not supporting vfork on macOS today I just left a note in a comment. https://bugs.python.org/issue35823

Open Graph Description: It should just be a syscall updating a couple of fields in the kernel side process info. Confirming, in glibc is appears to be a shim for the setsid syscall (based on not finding any code implemen...

X Description: It should just be a syscall updating a couple of fields in the kernel side process info. Confirming, in glibc is appears to be a shim for the setsid syscall (based on not finding any code implemen...

Opengraph URL: https://github.com/python/cpython/pull/22945

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cab7196 bpo-35823: Allow setsid() after vfork() on Linux. gpshead Oct 24, 2020 https://github.com/python/cpython/pull/22945/commits/cab71967aaff5c5912283f46e9517ca88071c2a9
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