_exit(2) and _Exit(2)

[Florian Weimer]

* Alejandro Colomar:

>> > Also, did that change affect _Exit() too?  (I assume it did.)
>> 
>> No, this was fixed in a later commit:
>> 
>> commit d2ac5f37690b4e77022f43250b73333e6103c0dd
>> Author: Roland McGrath <roland@gnu.org>
>> Date:   Mon Sep 16 04:52:39 2002 +0000
>> 
>>     2002-09-16  Andreas Jaeger  <aj@suse.de>
>>     
>>             * sysdeps/unix/sysv/linux/_exit.c: Add libc_hidden_def and weak_alias
>>             to _Exit.
>>             * sysdeps/unix/sysv/linux/i386/_exit.S: Likewise.
>
> Okay, this seems to also be from glibc-2.3.  So the remaining doubt
> would be, before glibc-2.3, did _Exit() and _exit() have the same
> behavior, or were they different from each other?

Observable behavior was about the same, I think, because thread
libraries had to override _exit before exit_group was introduced.

Thanks,
Florian