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To: Alexandre Oliva <aoliva@redhat.com>
Cc: GNU libc hacker <libc-hacker@sources.redhat.com>
Subject: Re: Fix _exit for Linux
References: <u8lm62bo1p.fsf@gromit.moeb>
	<or1y7uxa5v.fsf@free.redhat.lsd.ic.unicamp.br>
From: Andreas Jaeger <aj@suse.de>
Date: Mon, 16 Sep 2002 09:37:00 -0000
In-Reply-To: <or1y7uxa5v.fsf@free.redhat.lsd.ic.unicamp.br> (Alexandre
 Oliva's message of "16 Sep 2002 11:48:44 -0300")
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Alexandre Oliva <aoliva@redhat.com> writes:

> On Sep 16, 2002, Andreas Jaeger <aj@suse.de> wrote:
>
>> +libc_hidden_def (_exit)
>
> Hmm.  I don't think this is right.  libc_hidden_proto (_exit) is
> commented out in include/unistd.h, so, if my understanding is correct,

In that case it couldn't have worked before, have a look at
sysdeps/unix/_exit.S, I just copied the declarations from there and
that was the default used before AFAIK.

> libc_hidden_def (_exit) is not guaranteed to have the right effect.
> In fact, it fails to link libc.so on mips-linux, not only because
> _exit ends up undefined, but also because INLINE_SYSCALL has no
> arch-specific definition on mips, and we end up with a call to
> __syscall_exit, that does not exist.  I've tweaked the syscall file
> such that a definition for __syscall_exit is generated, but this was
> not enough to get _exit() to be defined, so the link of libc.so still
> failed.

Please send a patch,
Andreas
-- 
 Andreas Jaeger
  SuSE Labs aj@suse.de
   private aj@arthur.inka.de
    http://www.suse.de/~aj