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Differential D34985

Fix sigtimedwait manpage.
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Authored by dchagin on Apr 20 2022, 6:53 PM.
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imp
jilles
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manpages
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rGf482354a8636: Fix sigtimedwait manpage.
rG89ecdff2c32c: Fix sigtimedwait manpage.
Summary

Historically, sigtimedwait() blocks indefinitely if timeout is NULL.

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rG FreeBSD src repository
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dchagin created this revision.Apr 20 2022, 6:53 PM
Herald added a reviewer: manpages. · View Herald TranscriptApr 20 2022, 6:53 PM
Herald added a subscriber: imp. · View Herald Transcript
dchagin requested review of this revision.Apr 20 2022, 6:53 PM
Harbormaster completed remote builds in B45257: Diff 105215.Apr 20 2022, 6:53 PM
dchagin changed the repository for this revision from rS FreeBSD src repository - subversion to rG FreeBSD src repository.Apr 20 2022, 6:53 PM
jilles added a subscriber: jilles.Apr 20 2022, 8:21 PM

POSIX indeed leaves this behavior unspecified, but Linux chooses the same as we do. Might want to add something like

POSIX leaves the behavior of
.Fn sigtimedwait
with a
.Dv NULL
.Fa timeout
pointer unspecified.

to the STANDARDS section.

dchagin updated this revision to Diff 105245.Apr 20 2022, 9:15 PM

Done, thanks!

Harbormaster completed remote builds in B45287: Diff 105245.Apr 20 2022, 9:15 PM
imp accepted this revision.Apr 20 2022, 9:26 PM
This revision is now accepted and ready to land.Apr 20 2022, 9:26 PM
jilles accepted this revision.Apr 20 2022, 10:11 PM
Closed by commit rG89ecdff2c32c: Fix sigtimedwait manpage. (authored by dchagin). · Explain WhyApr 21 2022, 7:53 AM
This revision was automatically updated to reflect the committed changes.
dchagin added a commit: rG89ecdff2c32c: Fix sigtimedwait manpage..
dchagin added a commit: rGf482354a8636: Fix sigtimedwait manpage..Jun 17 2022, 7:42 PM

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PathSize
lib/
libc/
sys/
13 lines

Diff 105259

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lib/libc/sys/sigwaitinfo.2

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