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Date: Wed, 18 May 2011 19:32:00 -0000
From: Jan Kratochvil <jan.kratochvil@redhat.com>
To: Pedro Alves <pedro@codesourcery.com>
Cc: gdb-patches@sourceware.org, Doug Evans <dje@google.com>
Subject: Re: [patch] Workaround for 10970, 12702, avoid calling waitpid
Message-ID: <20110518193226.GA14601@host1.jankratochvil.net>
References: <20110517181920.7EE51246196@ruffy.mtv.corp.google.com> <201105181916.59767.pedro@codesourcery.com> <20110518185302.GA5585@host1.jankratochvil.net> <201105182017.22006.pedro@codesourcery.com>
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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

(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;
}