blob: 7db34d77d36b2bcc7d8bd9c6541b0684e2ac4112 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
/* This testcase is part of GDB, the GNU debugger.
Copyright 1997-2023 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 <stdio.h>
#include <unistd.h>
#include <limits.h>
#include <string.h>
int
main (int argc, char ** argv)
{
int pid;
/* A statement before vfork to make sure a breakpoint on main isn't
set on vfork below. */
pid = 1 + argc;
pid = vfork (); /* VFORK */
if (pid == 0) {
char prog[PATH_MAX];
int len;
strcpy (prog, argv[0]);
len = strlen (prog);
/* Replace "foll-vfork" with "vforked-prog". */
memcpy (prog + len - 10, "vforked-prog", 12);
prog[len + 2] = 0;
execlp (prog, prog, (char *) 0);
perror ("exec failed");
_exit (1);
}
else {
const char *volatile s = "I'm the proud parent of child";
}
}
|
