From owner-freebsd-hackers  Thu Jan 15 18:14:07 1998
Return-Path: <owner-freebsd-hackers@FreeBSD.ORG>
Received: (from majordom@localhost)
          by hub.freebsd.org (8.8.8/8.8.8) id SAA11467
          for hackers-outgoing; Thu, 15 Jan 1998 18:14:07 -0800 (PST)
          (envelope-from owner-freebsd-hackers@FreeBSD.ORG)
Received: from allegro.lemis.com (allegro.lemis.com [192.109.197.134])
          by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id SAA11400
          for <hackers@FreeBSD.ORG>; Thu, 15 Jan 1998 18:13:51 -0800 (PST)
          (envelope-from grog@lemis.com)
Received: from freebie.lemis.com (freebie.lemis.com [192.109.197.137])
	by allegro.lemis.com (8.8.7/8.8.5) with ESMTP id MAA00940;
	Fri, 16 Jan 1998 12:43:39 +1030 (CST)
Received: (from grog@localhost)
          by freebie.lemis.com (8.8.8/8.8.7) id MAA05315;
          Fri, 16 Jan 1998 12:43:39 +1030 (CST)
          (envelope-from grog)
Message-ID: <19980116124338.44216@lemis.com>
Date: Fri, 16 Jan 1998 12:43:38 +1030
From: Greg Lehey <grog@lemis.com>
To: Alex <garbanzo@hooked.net>
Cc: FreeBSD Hackers <hackers@FreeBSD.ORG>
Subject: Re: Why no sys/setjmp.h?
References: <19980115201816.30399@lemis.com> <Pine.BSF.3.96.980115144707.253A-100000@zippy.dyn.ml.org>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
X-Mailer: Mutt 0.84e
In-Reply-To: <Pine.BSF.3.96.980115144707.253A-100000@zippy.dyn.ml.org>; from Alex on Thu, Jan 15, 1998 at 02:49:43PM -0800
Organization: LEMIS, PO Box 460, Echunga SA 5153, Australia
Phone: +61-8-8388-8286
Fax: +61-8-8388-8725
Mobile: +61-41-739-7062
WWW-Home-Page: http://www.lemis.com/~grog
Sender: owner-freebsd-hackers@FreeBSD.ORG
Precedence: bulk

On Thu, Jan 15, 1998 at 02:49:43PM -0800, Alex wrote:
> On Thu, 15 Jan 1998, Greg Lehey wrote:
>
>> On Thu, Jan 15, 1998 at 12:16:49AM -0800, Alex wrote:
>>> On Thu, 15 Jan 1998, Greg Lehey wrote:
>>>
>>>> I'm just writing kernel code which uses setjmp and longjmp, and I
>>>> discover that there are no header files with declarations of these
>>>> functions.  How come?  Are they deprecated in the kernel?  Should I be
>>>> using something else instead?
>>>
>>> man 3 setjmp
>>
>> I'm writing *kernel* code.
>
> I don't think it maeks a big difference.

setjmp(3) is a user library routine.  It's not the same thing as
kernel setjmp.

> zippy:/usr/src/sys#grep setjmp */*.c
> ddb/db_command.c:#include <setjmp.h>
> ddb/db_command.c:	    (void) setjmp(db_jmpbuf);
> ddb/db_trap.c:#include <setjmp.h>
> ddb/db_trap.c:	    if (setjmp(db_jmpbuf) == 0)
> zippy:/usr/src/sys#find . -name "setjmp.h"
> ./i386/include/setjmp.h
> ./alpha/include/setjmp.h
>
> You can try the same thing in the sys/i386 dir if you really wanted
> examples from i386/i386 ;-)

Thanks.  That was the answer: I wasn't searching /sys/i386/include for
my header files.

Greg