From: Florian Weimer <fw@deneb.enyo.de>
To: enh <enh@google.com>
Cc: "Michael Kerrisk \(man-pages\)" <mtk.manpages@gmail.com>,
linux-man@vger.kernel.org
Subject: Re: [PATCH] pthread_kill.3: Update to match POSIX.
Date: Wed, 13 Nov 2019 06:51:11 +0100 [thread overview]
Message-ID: <87r22c9ve8.fsf@mid.deneb.enyo.de> (raw)
In-Reply-To: <CAJgzZorB99W2PzjQ5ZU1nBiYb81Ubm=VvaF50BOm9sTFUHeE4A@mail.gmail.com> (enh's message of "Tue, 12 Nov 2019 21:27:21 -0800")
* enh:
> no, because the C library has two choices when a thread exits:
>
> 1. unmap the thread.
>
> 2. keep the thread around for recycling.
>
> if you choose 1 (optimizing for space, like Android), your dereference
> is illegal.
This choice is only available for threads in a detached state. For
joinable threads, a conforming implementation cannot immediately
deallocate all data structures on thread termination. Among other
things, it has to store the future return value of pthread_join
somewhere.
next prev parent reply other threads:[~2019-11-13 5:51 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-12 20:36 [PATCH] pthread_kill.3: Update to match POSIX enh
2019-11-12 21:38 ` Florian Weimer
2019-11-12 21:40 ` enh
2019-11-12 21:52 ` Florian Weimer
2019-11-12 22:06 ` enh
2019-11-12 22:11 ` Florian Weimer
2019-11-12 22:22 ` enh
2019-11-12 22:28 ` Florian Weimer
2019-11-13 5:27 ` enh
2019-11-13 5:51 ` Florian Weimer [this message]
2019-11-13 5:59 ` enh
2019-11-13 6:10 ` Florian Weimer
2021-11-09 23:00 ` enh
2021-11-10 7:14 ` Florian Weimer
2021-11-12 0:01 ` enh
2021-11-12 13:02 ` Florian Weimer
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=87r22c9ve8.fsf@mid.deneb.enyo.de \
--to=fw@deneb.enyo.de \
--cc=enh@google.com \
--cc=linux-man@vger.kernel.org \
--cc=mtk.manpages@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.