python / python/cpython

signalmodule.c does "is" comparisons for SIG_IGN and SIG_DFL

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stdlib type-bug
Dominant language
Python
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Description

BPO 28069
Nosy @mdickinson, @berkerpeksag, @serhiy-storchaka

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 2016-09-10.19:49:19.914>
labels = ['type-bug', 'library']
title = 'signalmodule.c does "is" comparisons for SIG_IGN and SIG_DFL'
updated_at = <Date 2018-08-23.23:54:00.666>
user = 'https://github.com/mdickinson'

bugs.python.org fields:

activity = <Date 2018-08-23.23:54:00.666>
actor = 'berker.peksag'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2016-09-10.19:49:19.914>
creator = 'mark.dickinson'
dependencies = []
files = []
hgrepos = []
issue_num = 28069
keywords = []
message_count = 3.0
messages = ['275687', '275688', '275696']
nosy_count = 3.0
nosy_names = ['mark.dickinson', 'berker.peksag', 'serhiy.storchaka']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue28069'
versions = ['Python 2.7', 'Python 3.5', 'Python 3.6']

Contributor guide

Open the contributing guide

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

Start by reading signalmodule.c and locate the comparisons involving SIG_IGN and SIG_DFL. Trace the surrounding signal-handling behavior, then verify that the comparisons use the intended semantics and preserve existing behavior; the payload does not name a regression test, so identify the relevant signal tests before making changes.

Written by the indexing model from the issue text.

Assessment

Tech stack
c, python
Domain
operating-systems
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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