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GeezerVison is showing github.com — bpo-38061: os.closerange() uses closefrom() on FreeBSD by vstinner · Pull Request #19696 · python/cpython

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@vstinner

@vstinner vstinner commented Apr 23, 2020 •
edited by bedevere-bot
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On FreeBSD, os.closerange(fd_low, fd_high) now calls
closefrom(fd_low) if fd_high is greater than or equal to
sysconf(_SC_OPEN_MAX).

Initial patch by Kyle Evans with the help of Kubilay Kocak:
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=242274

https://bugs.python.org/issue38061

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@the-knights-who-say-ni the-knights-who-say-ni added the CLA signed label Apr 23, 2020
@bedevere-bot bedevere-bot added the awaiting core review label Apr 23, 2020
@vstinner

vstinner commented Apr 23, 2020

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cc @koobs
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@vstinner

vstinner commented Apr 24, 2020

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PR created from this FreeBSD downstream patch:
https://svnweb.freebsd.org/ports/head/lang/python38/files/patch-Modules_posixmodule.c?revision=518640&view=markup
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gpshead
gpshead approved these changes Apr 24, 2020
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@bedevere-bot bedevere-bot added awaiting merge and removed awaiting core review labels Apr 24, 2020
@vstinner

vstinner commented Apr 24, 2020

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PR updated to add two missing original authors: Ed Maste (emaste) and Conrad Meyer (cem).
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@vstinner
bpo-38061: os.closerange() uses closefrom() on FreeBSD
0781dad 
On FreeBSD, os.closerange(fd_low, fd_high) now calls
closefrom(fd_low) if fd_high is greater than or equal to
sysconf(_SC_OPEN_MAX).

Initial patch by Ed Maste (emaste), Conrad Meyer (cem), Kyle Evans
(kevans) and Kubilay Kocak (koobs):
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=242274
@vstinner

vstinner commented Apr 24, 2020

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I will check with FreeBSD developers if the authors are correct and check that the fix works as expected.
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@cemeyer

cemeyer commented Apr 24, 2020

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Thanks, Victor.
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koobs
koobs reviewed Apr 24, 2020
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Comment thread Misc/NEWS.d/next/Library/2020-04-24-01-27-08.bpo-38061.cdlkMz.rst
if *fd_high* is greater than or equal to ``sysconf(_SC_OPEN_MAX)``.

Initial patch by Ed Maste (emaste), Conrad Meyer (cem), Kyle Evans (kevans)
and Kubilay Kocak (koobs):

@koobs koobs Apr 24, 2020

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Can remove this, full credit to Ed, Conrad & Kyle

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@vstinner vstinner Apr 24, 2020

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Even if you didn't write the patch itself, you helped to get it in FreeBSD package, and so you deserve to be credited for this work ;-) Thanks @koobs!

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@vstinner

vstinner commented Apr 24, 2020

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I tested functionaly this PR using truss:

vstinner@freebsd$ truss ./python -c 'import os; os.closerange(7, 0x7FFFFFFF)'
(...)
closefrom(0x7)					 = 0 (0x0)
(...)

closefrom(7) is called as expected.
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@vstinner
vstinner merged commit 162c567 into python:master Apr 24, 2020
@bedevere-bot bedevere-bot removed the awaiting merge label Apr 24, 2020
@vstinner
vstinner deleted the os_closerange branch April 24, 2020 10:00
CuriousLearner added a commit to CuriousLearner/cpython that referenced this pull request Apr 27, 2020
@CuriousLearner
Merge branch 'master' of github.com:python/cpython into fix-issue21914
42c39a3 
* 'master' of github.com:python/cpython: (2949 commits)
  Add files in tests/test_peg_generator to the install target lists (pythonGH-19723)
  bpo-40398: Fix typing.get_args() for special generic aliases. (pythonGH-19720)
  bpo-40348: Fix typos in the programming FAQ (pythonGH-19729)
  bpo-38387: Formally document PyDoc_STRVAR and PyDoc_STR macros (pythonGH-16607)
  bpo-40401: Remove duplicate pyhash.h include from pythoncore.vcxproj (pythonGH-19725)
  bpo-40387: Improve queue join() example. (pythonGH-19724)
  bpo-40396: Support GenericAlias in the typing functions. (pythonGH-19718)
  Fix typo in Lib/typing.py (pythonGH-19717)
  Fix typo in object.__format__ docs (pythonGH-19504)
  bpo-40275: Avoid importing logging in test.support (pythonGH-19601)
  bpo-40275: Avoid importing socket in test.support (pythonGH-19603)
  bpo-40275: Avoid importing asyncio in test.support (pythonGH-19600)
  bpo-40279: Add some error-handling to the module initialisation docs example (pythonGH-19705)
  closes bpo-40385: Remove Tools/scripts/checkpyc.py (pythonGH-19709)
  bpo-40334: Add What's New sections for PEP 617 and PEP 585 (pythonGH-19704)
  bpo-40340: Separate examples more clearly in the programming FAQ (pythonGH-19688)
  bpo-40360: Deprecate lib2to3 module in light of PEP 617 (pythonGH-19663)
  bpo-40334: Rewrite test_c_parser to avoid memory leaks (pythonGH-19694)
  bpo-38061: subprocess uses closefrom() on FreeBSD (pythonGH-19697)
  bpo-38061: os.closerange() uses closefrom() on FreeBSD (pythonGH-19696)
  ...
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Reviewers

@gpshead gpshead gpshead approved these changes
+1 more reviewer
@koobs koobs koobs left review comments
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6 participants

@vstinner @cemeyer @gpshead @koobs @the-knights-who-say-ni @bedevere-bot
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