From: Oleg Nesterov <oleg@redhat.com>
To: Andrey Wagin <avagin@gmail.com>
Cc: linux-kernel@vger.kernel.org, criu@openvz.org,
linux-fsdevel@vger.kernel.org,
Alexander Viro <viro@zeniv.linux.org.uk>,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
David Howells <dhowells@redhat.com>,
Thomas Gleixner <tglx@linutronix.de>,
Michael Kerrisk <mtk.manpages@gmail.com>,
Pavel Emelyanov <xemul@parallels.com>,
Cyrill Gorcunov <gorcunov@openvz.org>
Subject: Re: [PATCH 1/4] signalfd: add ability to return siginfo in a raw format
Date: Tue, 25 Dec 2012 16:27:16 +0100 [thread overview]
Message-ID: <20121225152716.GA3198@redhat.com> (raw)
In-Reply-To: <20121225143043.GA1813@redhat.com>
On 12/25, Oleg Nesterov wrote:
>
> And if we add another format we should think
> twice.
And btw this applies to the whole series.
I guess that probably you actually need DUMP, not DEQUEUE. but the
latter is not trivial. However, perhaps we can do this assuming that
all other threads are sleeping and nobody can do dequeue_signal().
Say, we can play with ppos/llseek. If *ppos is not zero,
signalfd_dequeue() could dump the nth entry from list or return 0.
Oleg.
next prev parent reply other threads:[~2012-12-25 15:27 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-24 8:13 [PATCH 0/4] signalfd: a kernel interface for dumping/restoring pending signals Andrey Vagin
2012-12-24 8:13 ` [PATCH 1/4] signalfd: add ability to return siginfo in a raw format Andrey Vagin
2012-12-24 16:53 ` Oleg Nesterov
2012-12-25 8:29 ` Andrey Wagin
2012-12-25 14:30 ` Oleg Nesterov
2012-12-25 15:27 ` Oleg Nesterov [this message]
2012-12-25 15:40 ` Pavel Emelyanov
2012-12-25 16:58 ` Oleg Nesterov
2012-12-26 14:47 ` [CRIU] " Andrew Vagin
2012-12-26 16:31 ` Oleg Nesterov
2012-12-27 14:36 ` Andrey Wagin
2012-12-27 15:30 ` Oleg Nesterov
2012-12-27 18:40 ` Andrey Wagin
2012-12-28 14:12 ` Oleg Nesterov
2012-12-28 14:28 ` Andrey Wagin
2012-12-28 14:46 ` Oleg Nesterov
2012-12-28 14:48 ` Andrey Wagin
2012-12-28 14:56 ` Oleg Nesterov
2012-12-24 8:13 ` [PATCH 2/4] signal: add a helper for dequeuing signals from a specified queue Andrey Vagin
[not found] ` <1356336807-5517-3-git-send-email-avagin-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2012-12-24 20:52 ` Michael Kerrisk
2012-12-24 8:13 ` [PATCH 3/4] signalfd: add ability to choose a private or shared queue Andrey Vagin
2012-12-24 17:05 ` Oleg Nesterov
2012-12-24 20:53 ` Michael Kerrisk
2012-12-24 8:13 ` [PATCH 4/4] signal: allow to send any siginfo to itself Andrey Vagin
[not found] ` <1356336807-5517-1-git-send-email-avagin-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2012-12-24 20:51 ` [PATCH 0/4] signalfd: a kernel interface for dumping/restoring pending signals Michael Kerrisk
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=20121225152716.GA3198@redhat.com \
--to=oleg@redhat.com \
--cc=avagin@gmail.com \
--cc=criu@openvz.org \
--cc=dhowells@redhat.com \
--cc=gorcunov@openvz.org \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mtk.manpages@gmail.com \
--cc=paulmck@linux.vnet.ibm.com \
--cc=tglx@linutronix.de \
--cc=viro@zeniv.linux.org.uk \
--cc=xemul@parallels.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 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).