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From: Pedro Alves <pedro@codesourcery.com>
To: Jan Kratochvil <jan.kratochvil@redhat.com>
Subject: Re: [patch] Workaround for 10970, 12702, avoid calling waitpid
Date: Wed, 18 May 2011 19:53:00 -0000
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Cc: gdb-patches@sourceware.org, Doug Evans <dje@google.com>
References: <20110517181920.7EE51246196@ruffy.mtv.corp.google.com> <201105182017.22006.pedro@codesourcery.com> <20110518193226.GA14601@host1.jankratochvil.net>
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On Wednesday 18 May 2011 20:32:26, Jan Kratochvil wrote:
> On Wed, 18 May 2011 21:17:21 +0200, Pedro Alves wrote:
> > When the last lwp exits, we'll report it's exit code as the
> > inferior exit code to infrun, instead of the leader's exit
> > code.
> 
> Which is correct, isn't it?
> 
> $ ./groupexit; echo $?
> 5

Ah, good.  I didn't think of _exit...  Thanks.

> 
> (gdb) run
> Starting program: /home/jkratoch/t/groupexit 
> [Thread debugging using libthread_db enabled]
> Using host libthread_db library "/lib64/libthread_db.so.1".
> [New Thread 0x7ffff7822700 (LWP 18087)]
> [Thread 0x7ffff7822700 (LWP 18087) exited]
> [Inferior 1 (process 18084) exited with code 05]
> 
> 
> Thanks,
> Jan
> 
> 
> #include <pthread.h>
> #include <assert.h>
> #include <unistd.h>
> static void *start (void *arg)
> {
>   sleep (1);
>   _exit (5);
>   return arg;
> }
> int main (void)
> {
>   pthread_t thread1;
>   int i;
>   i = pthread_create (&thread1, NULL, start, NULL);
>   assert (i == 0);
>   pthread_exit (NULL);
>   assert (0);
>   return 0;
> }
> 

-- 
Pedro Alves