From: erik quanstrom <quanstro@quanstro.net>
To: cinap_lenrek@gmx.de, 9fans@9fans.net
Subject: Re: [9fans] devmnt crash, fix.
Date: Thu, 23 Aug 2012 12:24:59 -0400 [thread overview]
Message-ID: <d1c7d7362524b9375ba8e19c51dfd265@kw.quanstro.net> (raw)
In-Reply-To: <d67c46cd156233f61e9381a31c62269d@rei2.9hal>
> sleep(&up->waitr, haswaitq, up);
>
> lock(&up->exl);
> wq = up->waitq;
> up->waitq = wq->next; <-- wq == nil, boom! its gone!
> up->nwait--;
> unlock(&up->exl);
>
>
> if sleep returns or is spuriously woken up even tho up->waitq == nil.
ah, right. looks like a bug.
- erik
next prev parent reply other threads:[~2012-08-23 16:24 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-22 18:53 erik quanstrom
2012-08-22 19:09 ` cinap_lenrek
2012-08-22 19:12 ` cinap_lenrek
2012-08-22 19:53 ` cinap_lenrek
2012-08-22 22:26 ` erik quanstrom
2012-08-22 23:30 ` cinap_lenrek
2012-08-23 1:53 ` erik quanstrom
2012-08-23 9:47 ` cinap_lenrek
2012-08-23 13:27 ` erik quanstrom
2012-08-23 15:02 ` cinap_lenrek
2012-08-23 15:39 ` Bakul Shah
2012-08-23 15:48 ` erik quanstrom
2012-08-23 15:53 ` cinap_lenrek
2012-08-23 16:06 ` erik quanstrom
2012-08-23 16:18 ` cinap_lenrek
2012-08-23 16:24 ` erik quanstrom [this message]
2012-08-23 16:47 ` Charles Forsyth
2012-08-23 17:01 ` cinap_lenrek
2012-08-23 17:53 ` Bakul Shah
2012-08-23 18:03 ` erik quanstrom
[not found] ` <CAOw7k5ii5PoYZnEbDeUuhR9GsgEEGt7i+XTQm7FR9+r=ENg=xw@mail.gmail.c>
2012-08-23 17:09 ` erik quanstrom
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=d1c7d7362524b9375ba8e19c51dfd265@kw.quanstro.net \
--to=quanstro@quanstro.net \
--cc=9fans@9fans.net \
--cc=cinap_lenrek@gmx.de \
/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 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 NNTP newsgroup(s).