From: Karim Yaghmour <karym@opersys.com>
To: Eyal Lebedinsky <eyal@eyal.emu.id.au>
Cc: linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: Linux Trace Toolkit ready for 2.5
Date: Fri, 12 Apr 2002 20:31:47 -0400 [thread overview]
Message-ID: <3CB77C73.3981374@opersys.com> (raw)
In-Reply-To: <3CB61523.89BE3422@opersys.com> <3CB76113.ABEAA49E@eyal.emu.id.au>
Eyal Lebedinsky wrote:
> > #define TRACE_SCHEDCHANGE(OUT, IN) \
> > do \
> > {\
> > trace_schedchange sched_event;\
> > sched_event.out = OUT->pid;\
> > sched_event.in = (uint32_t) IN;\
> > sched_event.out_state = OUT->state; \
> > trace_event(TRACE_EV_SCHEDCHANGE, &sched_event);\
> > } while(0);
>
> The macro body should not have the terminating semicolon. This is
> the whole point of this trick, allowing it to be used safely in if
> statements like a function.
True. Although those trace statements have never been called upon to
be in if statements, your observation is correct. Thanks.
Karim
===================================================
Karim Yaghmour
karym@opersys.com
Embedded and Real-Time Linux Expert
===================================================
prev parent reply other threads:[~2002-04-13 0:33 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-04-11 22:58 Linux Trace Toolkit ready for 2.5 Karim Yaghmour
2002-04-12 22:34 ` Eyal Lebedinsky
2002-04-13 0:31 ` Karim Yaghmour [this message]
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=3CB77C73.3981374@opersys.com \
--to=karym@opersys.com \
--cc=eyal@eyal.emu.id.au \
--cc=linux-kernel@vger.kernel.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.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox