Sigpipe handling issue should be documented

[splbio]

BPO	33550
Nosy	@Mariatta, @splbio
PRs	bpo-33550: Warn not to set SIGPIPE to SIG_DFL #6773 [3.7] bpo-33550: Warn not to set SIGPIPE to SIG_DFL (GH-6773) #8798

^{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 = <Date 2018-08-25.02:32:02.496>
created_at = <Date 2018-05-16.23:55:51.999>
labels = ['3.8', 'type-bug', '3.7', 'docs']
title = 'Sigpipe handling issue should be documented'
updated_at = <Date 2018-08-25.02:32:02.494>
user = 'https://github.com/splbio'

bugs.python.org fields:

activity = <Date 2018-08-25.02:32:02.494>
actor = 'Mariatta'
assignee = 'docs@python'
closed = True
closed_date = <Date 2018-08-25.02:32:02.496>
closer = 'Mariatta'
components = ['Documentation']
creation = <Date 2018-05-16.23:55:51.999>
creator = 'splbio'
dependencies = []
files = []
hgrepos = []
issue_num = 33550
keywords = ['patch']
message_count = 3.0
messages = ['316877', '324033', '324034']
nosy_count = 3.0
nosy_names = ['docs@python', 'Mariatta', 'splbio']
pr_nums = ['6773', '8798']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue33550'
versions = ['Python 3.7', 'Python 3.8']

[splbio]

A common anti-pattern in python used to get rid of "ugly" brokenpipe messages is to set the SIGPIPE handler to SIG_DFL, this however will cause your program to seemingly randomly exit if it makes any socket connections during its lifetime. (see github PR for more info)

[Mariatta]

New changeset 7b0ed43 by Mariatta (Miss Islington (bot)) in branch '3.7':
bpo-33550: Warn not to set SIGPIPE to SIG_DFL (GH-6773)
7b0ed43

[Mariatta]

Thanks!