Commit | Line | Data |
---|---|---|
19378a72 PA |
1 | /* This testcase is part of GDB, the GNU debugger. |
2 | ||
b811d2c2 | 3 | Copyright 1997-2020 Free Software Foundation, Inc. |
19378a72 PA |
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 | ||
74cf1395 JM |
18 | #include <stdio.h> |
19 | #include <unistd.h> | |
20 | ||
31d913c7 YQ |
21 | #include <limits.h> |
22 | #include <string.h> | |
23 | ||
24 | int | |
25 | main (int argc, char ** argv) | |
74cf1395 JM |
26 | { |
27 | int pid; | |
28 | ||
31d913c7 YQ |
29 | /* A statement before vfork to make sure a breakpoint on main isn't |
30 | set on vfork below. */ | |
31 | pid = 1 + argc; | |
32 | pid = vfork (); /* VFORK */ | |
74cf1395 | 33 | if (pid == 0) { |
31d913c7 YQ |
34 | char prog[PATH_MAX]; |
35 | int len; | |
36 | ||
37 | strcpy (prog, argv[0]); | |
38 | len = strlen (prog); | |
39 | /* Replace "foll-vfork" with "vforked-prog". */ | |
40 | memcpy (prog + len - 10, "vforked-prog", 12); | |
41 | prog[len + 2] = 0; | |
42 | ||
74cf1395 | 43 | printf ("I'm the child!\n"); |
31d913c7 | 44 | execlp (prog, prog, (char *) 0); |
a7c8c931 PA |
45 | perror ("exec failed"); |
46 | _exit (1); | |
74cf1395 JM |
47 | } |
48 | else { | |
49 | printf ("I'm the proud parent of child #%d!\n", pid); | |
50 | } | |
51 | } |