xref: /netbsd-src/external/gpl3/gdb.old/dist/gdb/testsuite/gdb.base/foll-vfork-exit.c (revision 8b657b0747480f8989760d71343d6dd33f8d4cf9)
1 /* This testcase is part of GDB, the GNU debugger.
2 
3    Copyright 1997-2023 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 <stdio.h>
19 #include <unistd.h>
20 
21 int
22 main ()
23 {
24   int pid;
25 
26   /* A statement before vfork to make sure a breakpoint on main isn't
27      set on vfork below.  */
28   pid = 1;
29   pid = vfork (); /* VFORK */
30   if (pid == 0)
31     {
32       const char *volatile s = "I'm the child!";
33       _exit (0);
34     }
35   else
36     {
37       const char *volatile s = "I'm the proud parent of child";
38     }
39 
40   return 0;
41 }
42