python / python/cpython

shared_semaphores cannot be shared across unrelated processes

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3.9 (EOL) stdlib topic-multiprocessing type-feature
Dominant language
Python
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Description

BPO 38035
Nosy @pitrou, @taleinat, @applio, @vinay0410, @idomic

Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.

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GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2019-09-05.05:01:08.289>
labels = ['type-feature', 'library', '3.9']
title = 'shared_semaphores cannot be shared across unrelated processes'
updated_at = <Date 2020-06-19.09:55:04.008>
user = 'https://github.com/vinay0410'

bugs.python.org fields:

activity = <Date 2020-06-19.09:55:04.008>
actor = 'vinay0410'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2019-09-05.05:01:08.289>
creator = 'vinay0410'
dependencies = []
files = []
hgrepos = []
issue_num = 38035
keywords = []
message_count = 11.0
messages = ['351176', '351214', '351225', '352361', '353455', '362486', '362493', '362495', '370322', '370764', '371863']
nosy_count = 5.0
nosy_names = ['pitrou', 'taleinat', 'davin', 'vinay0410', 'Ido Michael']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue38035'
versions = ['Python 3.9']

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

The issue identifies Python's library support for shared semaphores but names no implementation files or tests. Start by locating the shared_semaphores implementation and its existing process-sharing tests, then determine the expected behavior for unrelated processes and add coverage showing that behavior is supported.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
operating-systems
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
30/100

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