Description

kumaraditya303

opened on May 28, 2022

Issue body actions

Feature or enhancement

Expose PIDFD_NONBLOCK as os.PIDFD_NONBLOCK to be used with os.waitid.

Pitch

pidfd_open returns a nonblocking file descriptor if PIDFD_NONBLOCK is supplied as flag. If the process
referred to by the file descriptor has not yet terminated,
then an attempt to wait on the file descriptor using
waitid(2) will immediately return the error EAGAIN rather
than blocking.

Linked PRs

• gh-93312: Include <sys/pidfd.h> to get PIDFD_NONBLOCK #127593
• [3.13] gh-93312: Include <sys/pidfd.h> to get PIDFD_NONBLOCK (GH-127593) #127630
• [3.12] gh-93312: Include <sys/pidfd.h> to get PIDFD_NONBLOCK (#127593) #127631

Activity

1. kumaraditya303

   added

   type-featureA feature request or enhancementA feature request or enhancement

   on May 28, 2022
2. vstinner

   added a commit that references this issue on May 31, 2022

   GH-93312: Add os.PIDFD_NONBLOCK flag (#93313)

   a565ab0
3. kumaraditya303 commented on May 31, 2022

   

   kumaraditya303

   on May 31, 2022

   ContributorAuthor

   More actions

   Fixed by #93313
4. kumaraditya303

   closed this as completedon May 31, 2022
5. Oleg-Deomidoff commented on Dec 3, 2024

   

   Oleg-Deomidoff

   on Dec 3, 2024

   More actions

   according to documentation it should be available, yet it is not there:

   python3.13 Wed 04 Dec 2024 01:57:39 AM +03
   Python 3.13.0 (main, Oct 8 2024, 00:00:00) [GCC 14.2.1 20240912 (Red Hat 14.2.1-3)] on linux
   Type "help", "copyright", "credits" or "license" for more information.

   import os
   os.PIDFD_NONBLOCK
   Traceback (most recent call last):
   File "", line 1, in
   os.PIDFD_NONBLOCK
   AttributeError: module 'os' has no attribute 'PIDFD_NONBLOCK'. Did you mean: 'EFD_NONBLOCK'?
6. vstinner

   added a commit that references this issue on Dec 4, 2024

   pythongh-93312: Include <sys/pidfd.h> to get PIDFD_NONBLOCK

   8829071
7. vstinner commented on Dec 4, 2024

   

   vstinner

   on Dec 4, 2024

   Member

   More actions

   AttributeError: module 'os' has no attribute 'PIDFD_NONBLOCK'

   Correct, something is wrong. I wrote #127593 to fix the constant.
8. vstinner

   added a commit that references this issue on Dec 5, 2024

   gh-93312: Include <sys/pidfd.h> to get PIDFD_NONBLOCK (#127593)

   fcbe6ec
9. miss-islington

   added a commit that references this issue on Dec 5, 2024

   pythongh-93312: Include <sys/pidfd.h> to get PIDFD_NONBLOCK (pythonGH…

   25ff4df
10. vstinner

    added 2 commits that reference this issue on Dec 5, 2024

    [3.12] gh-93312: Include <sys/pidfd.h> to get PIDFD_NONBLOCK (#127593) (

    288d6d0

    [3.13] gh-93312: Include <sys/pidfd.h> to get PIDFD_NONBLOCK (GH-127593…

    3e11b5c
11. srinivasreddy

    added a commit that references this issue on Jan 8, 2025

    pythongh-93312: Include <sys/pidfd.h> to get PIDFD_NONBLOCK (python#1…

    f2e4894

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