From: Andreas Schwab <schwab@suse.de>
To: David Kastrup <dak@gnu.org>
Cc: Sam Steingold <sds@gnu.org>, emacs-devel@gnu.org
Subject: Re: busyloop in sigchld_handler
Date: Tue, 13 Mar 2007 23:28:13 +0100 [thread overview]
Message-ID: <jek5xkixs2.fsf@sykes.suse.de> (raw)
In-Reply-To: <85abyglrbs.fsf@lola.goethe.zz> (David Kastrup's message of "Tue, 13 Mar 2007 23:19:19 +0100")
David Kastrup <dak@gnu.org> writes:
> The one waiting for the demise of a process that gets no processing
> time for dying.
If there is no children dying then the loop is exited immediately.
> It is the only thing that can prevent a deadlock here.
Which deadlock?
> I can't see how this guarantees one signal per child.
It's explicitly explained in the quoted text.
Andreas.
--
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
next prev parent reply other threads:[~2007-03-13 22:28 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-11 18:33 busyloop in sigchld_handler Sam Steingold
2007-03-11 19:39 ` Kim F. Storm
2007-03-11 19:43 ` David Kastrup
2007-03-11 19:51 ` Sam Steingold
2007-03-11 20:42 ` Kim F. Storm
2007-03-11 21:06 ` Sam Steingold
2007-03-11 21:14 ` Eli Zaretskii
2007-03-11 21:17 ` Sam Steingold
2007-03-11 21:51 ` Eli Zaretskii
2007-03-11 22:21 ` Sam Steingold
2007-03-12 4:24 ` Richard Stallman
2007-03-12 7:00 ` David Kastrup
2007-03-13 2:43 ` Richard Stallman
2007-03-11 22:27 ` Andreas Schwab
2007-03-11 22:30 ` Kim F. Storm
2007-03-12 17:37 ` Andreas Schwab
2007-03-12 17:53 ` Sam Steingold
2007-03-12 18:45 ` Andreas Schwab
2007-03-12 18:57 ` Sam Steingold
2007-03-12 19:28 ` Andreas Schwab
2007-03-12 19:34 ` David Kastrup
2007-03-12 21:36 ` Andreas Schwab
2007-03-13 7:29 ` David Kastrup
2007-03-13 9:29 ` Andreas Schwab
2007-03-13 22:19 ` David Kastrup
2007-03-13 22:28 ` Andreas Schwab [this message]
2007-03-13 22:54 ` David Kastrup
2007-03-13 23:17 ` Andreas Schwab
2007-03-14 7:06 ` David Kastrup
2007-03-14 9:24 ` Kim F. Storm
2007-03-14 10:00 ` David Kastrup
2007-03-14 10:22 ` Andreas Schwab
2007-03-14 10:52 ` David Kastrup
2007-03-14 11:01 ` Andreas Schwab
2007-03-14 11:12 ` David Kastrup
2007-03-14 12:29 ` Andreas Schwab
2007-03-14 10:01 ` Andreas Schwab
2007-03-14 13:15 ` Kim F. Storm
2007-03-14 13:41 ` Andreas Schwab
2007-03-14 14:10 ` Kim F. Storm
2007-03-14 14:12 ` Andreas Schwab
2007-03-14 15:02 ` Kim F. Storm
2007-03-14 16:34 ` Andreas Schwab
2007-03-16 9:34 ` Kim F. Storm
2007-03-16 9:59 ` Andreas Schwab
2007-03-14 3:24 ` Richard Stallman
2007-03-14 17:34 ` David Kastrup
2007-03-26 1:47 ` YAMAMOTO Mitsuharu
2007-03-26 2:02 ` Sam Steingold
2007-03-26 2:17 ` YAMAMOTO Mitsuharu
2007-03-28 10:02 ` Kim F. Storm
2007-03-28 15:19 ` Chong Yidong
2007-03-28 15:25 ` Andreas Schwab
2007-03-28 15:33 ` Kim F. Storm
2007-03-28 15:37 ` Andreas Schwab
2007-03-28 20:18 ` Kim F. Storm
2007-03-29 17:59 ` Richard Stallman
2007-03-28 15:30 ` Alfred M. Szmidt
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
List information: https://www.gnu.org/software/emacs/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=jek5xkixs2.fsf@sykes.suse.de \
--to=schwab@suse.de \
--cc=dak@gnu.org \
--cc=emacs-devel@gnu.org \
--cc=sds@gnu.org \
/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.
Code repositories for project(s) associated with this public inbox
https://git.savannah.gnu.org/cgit/emacs.git
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).