gdb/testsuite/gdb.base/step-over-fork.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2011-2021 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 <unistd.h>
  20
  21 static void
  22 marker () {}
  23
  24 int
  25 main (void)
  26 {
  27   int  pid;
  28
  29   pid = fork ();
  30   if (pid == 0) /* child */
  31     {
  32       exit (0); /* at exit */
  33     }
  34   else
  35     {
  36     }
  37
  38   pid = fork ();
  39   if (pid == 0) /* child */
  40     {
  41       exit (0); /* at exit */
  42     }
  43   else
  44     {
  45     }
  46
  47   pid = fork ();
  48   if (pid == 0) /* child */
  49     {
  50       exit (0); /* at exit */
  51     }
  52   else
  53     {
  54     }
  55
  56   marker ();
  57
  58 }