/* This testcase is part of GDB, the GNU debugger.

   Copyright 2011-2021 Free Software Foundation, Inc.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

#include <stdlib.h>
#include <unistd.h>

static void
marker () {}

int
main (void)
{
  int  pid;

  pid = fork ();
  if (pid == 0) /* child */
    {
      exit (0); /* at exit */
    }
  else
    {
    }

  pid = fork ();
  if (pid == 0) /* child */
    {
      exit (0); /* at exit */
    }
  else
    {
    }

  pid = fork ();
  if (pid == 0) /* child */
    {
      exit (0); /* at exit */
    }
  else
    {
    }

  marker ();

}
