From: Rusty Russell <rusty@rustcorp.com.au>
To: frankeh@watson.ibm.com
Cc: drepper@redhat.com, linux-kernel@vger.kernel.org,
Martin.Wirth@dlr.de, pwaechtler@loewe-Komp.de
Subject: Re: [PATCH] Futex Generalization Patch
Date: Thu, 11 Apr 2002 23:55:05 +1000 [thread overview]
Message-ID: <E16vf2X-0001ER-00@wagner.rustcorp.com.au> (raw)
In-Reply-To: Your message of "Wed, 10 Apr 2002 16:14:36 -0400." <20020410211348.AB5E93FE06@smtp.linux.ibm.com>
In message <20020410211348.AB5E93FE06@smtp.linux.ibm.com> you write:
> --) There is more overhead in the wakeup and the wait because I need to
> move from the fd to the filestruct which is always some lookup and
> I have to verify that the file descriptor is actually a valid /dev/futex
> file (yikes).
Hmmm... verify on the FUTEX_AWAIT: you can maybe hold the struct file
directly (or maybe not).
> In FUTEX_AWAIT inteprest it as { short fd, short sig };
> There should be no limitation by casting it to shorts ?
No, that's bad. But I thought there was already a way to set what
signal occurred instead of SIGIO. Is that not per-fd?
Rusty.
--
Anyone who quotes me in their sig is an idiot. -- Rusty Russell.
next prev parent reply other threads:[~2002-04-11 13:51 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-04-10 19:59 Bill Abt
2002-04-10 20:14 ` Hubertus Franke
2002-04-11 13:55 ` Rusty Russell [this message]
-- strict thread matches above, loose matches on Subject: below --
2002-04-15 14:49 Bill Abt
2002-04-15 16:22 ` Hubertus Franke
2002-04-15 20:57 ` Mark Mielke
2002-04-15 20:46 ` Hubertus Franke
2002-04-16 20:03 ` Peter Wächtler
2002-04-10 19:30 Bill Abt
2002-04-10 18:47 ` Hubertus Franke
2002-04-12 15:36 ` Peter Wächtler
2002-04-12 18:48 ` Hubertus Franke
2002-04-13 13:52 ` Peter Wächtler
2002-04-15 13:28 ` Hubertus Franke
2002-04-10 18:09 Bill Abt
2002-04-10 18:10 ` Hubertus Franke
2002-04-04 7:52 Rusty Russell
2002-04-04 16:28 ` Hubertus Franke
2002-04-06 9:48 ` Rusty Russell
2002-04-10 14:24 ` Hubertus Franke
2002-04-10 16:37 ` Rusty Russell
2002-04-10 16:37 ` Hubertus Franke
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=E16vf2X-0001ER-00@wagner.rustcorp.com.au \
--to=rusty@rustcorp.com.au \
--cc=Martin.Wirth@dlr.de \
--cc=drepper@redhat.com \
--cc=frankeh@watson.ibm.com \
--cc=linux-kernel@vger.kernel.org \
--cc=pwaechtler@loewe-Komp.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
all inboxes | Powered by JetHome®