gdb/testsuite/gdb.base/multi-forks.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2005-2016 Free Software Foundation, Inc.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  17
  18 #include <stdlib.h>
  19 #include <stdio.h>
  20 #include <sys/types.h>
  21 #include <unistd.h>
  22
  23 pid_t pids[4];
  24
  25 int
  26 main()
  27 {
  28   int i;
  29
  30   for (i = 0; i < 4; i++)
  31     pids [i] = fork ();
  32
  33   printf ("%d ready\n", getpid ());
  34   sleep (2);
  35   printf ("%d done\n", getpid ());
  36   return 0;     /* Set exit breakpoint here.  */
  37 }