From: Paolo Bonzini <pbonzini@redhat.com>
To: Stefan Hajnoczi <stefanha@gmail.com>
Cc: Kevin Wolf <kwolf@redhat.com>, Alex Barcelo <abarcelo@ac.upc.edu>,
qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 1/3] coroutine: adding sigaltstack method (.c source)
Date: Tue, 14 Feb 2012 10:50:25 +0100 [thread overview]
Message-ID: <4F3A2E61.9060706@redhat.com> (raw)
In-Reply-To: <20120214092439.GC5686@stefanha-thinkpad.localdomain>
On 02/14/2012 10:24 AM, Stefan Hajnoczi wrote:
> setjmp() followed by return is usually bad. We're relying on the fact
> that the return code path here does not clobber local variables 'self'
> and 'co'. Can't we longjmp out back to the coroutine_new() function
> instead?
http://www.gnu.org/software/pth/rse-pmt.ps covers this. Basically, this
turned out to be more portable than longjmp from a signal handler.
Paolo
next prev parent reply other threads:[~2012-02-14 9:50 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-13 14:42 [Qemu-devel] [PATCH 0/3] New sigaltstack method for coroutine Alex Barcelo
2012-02-13 14:42 ` [Qemu-devel] [PATCH 1/3] coroutine: adding sigaltstack method (.c source) Alex Barcelo
2012-02-13 14:57 ` Paolo Bonzini
2012-02-13 15:57 ` Andreas Färber
2012-02-13 16:11 ` Alex Barcelo
2012-02-13 16:31 ` Andreas Färber
2012-02-13 22:20 ` Andreas Färber
2012-02-14 9:24 ` Stefan Hajnoczi
2012-02-14 9:50 ` Paolo Bonzini [this message]
2012-02-14 12:25 ` Stefan Hajnoczi
2012-03-06 21:14 ` Peter Maydell
2012-02-14 11:53 ` Alex Barcelo
2012-02-14 12:20 ` Stefan Hajnoczi
2012-02-14 13:21 ` Alex Barcelo
2012-02-14 15:12 ` Stefan Hajnoczi
2012-02-13 14:42 ` [Qemu-devel] [PATCH 2/3] coroutine: adding control flags (enable/disable) for ucontext compilation Alex Barcelo
2012-02-13 15:36 ` Kevin Wolf
2012-02-13 14:42 ` [Qemu-devel] [PATCH 3/3] coroutine: adding enable/disable options for sigaltstack method Alex Barcelo
2012-02-13 14:49 ` Daniel P. Berrange
2012-02-13 15:16 ` Alex Barcelo
2012-02-13 14:51 ` [Qemu-devel] [PATCH 0/3] New sigaltstack method for coroutine Peter Maydell
2012-02-13 15:11 ` Alex Barcelo
2012-02-14 8:33 ` Stefan Hajnoczi
2012-02-14 11:38 ` Alex Barcelo
2012-02-14 12:17 ` Stefan Hajnoczi
2012-02-14 13:12 ` Alex Barcelo
2012-02-14 15:11 ` Stefan Hajnoczi
2012-02-14 13:00 ` Paul Brook
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=4F3A2E61.9060706@redhat.com \
--to=pbonzini@redhat.com \
--cc=abarcelo@ac.upc.edu \
--cc=kwolf@redhat.com \
--cc=qemu-devel@nongnu.org \
--cc=stefanha@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.