1 /* This testcase is part of GDB, the GNU debugger.
2
3 Copyright 2011-2013 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 <unistd.h>
19
20 static void
marker()21 marker () {}
22
23 int
main(void)24 main (void)
25 {
26 int pid;
27
28 pid = vfork ();
29 if (pid == -1)
30 {
31 return 1;
32 }
33 else if (pid != 0)
34 {
35 }
36 else
37 {
38 _exit (0);
39 }
40
41 pid = vfork ();
42 if (pid == -1)
43 {
44 return 1;
45 }
46 else if (pid != 0)
47 {
48 }
49 else
50 {
51 _exit (0);
52 }
53
54 pid = vfork ();
55 if (pid == -1)
56 {
57 return 1;
58 }
59 else if (pid != 0)
60 {
61 }
62 else
63 {
64 _exit (0);
65 }
66
67 marker ();
68 return 0;
69
70 }
71