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4403d8e9 JK |
1 | /* Test case for forgotten hw-watchpoints after fork()-off of a process. |
2 | ||
32d0add0 | 3 | Copyright 2012-2015 Free Software Foundation, Inc. |
4403d8e9 JK |
4 | |
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
7785b880 | 9 | the Free Software Foundation; either version 3 of the License, or |
4403d8e9 JK |
10 | (at your option) any later version. |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
7785b880 | 18 | along with this program; if not, see <http://www.gnu.org/licenses/>. */ |
4403d8e9 JK |
19 | |
20 | #include <assert.h> | |
21 | #include <unistd.h> | |
22 | #include <sys/wait.h> | |
23 | #include <stdio.h> | |
24 | #include <stdlib.h> | |
25 | ||
26 | #include "watchpoint-fork.h" | |
27 | ||
28 | volatile int var; | |
29 | ||
30 | void | |
31 | marker (void) | |
32 | { | |
33 | } | |
34 | ||
35 | static void | |
36 | mark_exit (void) | |
37 | { | |
38 | } | |
39 | ||
40 | int | |
41 | main (void) | |
42 | { | |
43 | setbuf (stdout, NULL); | |
44 | printf ("main: %d\n", (int) getpid ()); | |
45 | ||
46 | /* General hardware breakpoints and watchpoints validity. */ | |
47 | marker (); | |
48 | var++; | |
49 | /* Hardware watchpoints got disarmed here. */ | |
50 | forkoff (1); | |
51 | /* This watchpoint got lost before. */ | |
52 | var++; | |
53 | /* A sanity check for double hardware watchpoints removal. */ | |
54 | forkoff (2); | |
55 | var++; | |
56 | ||
57 | mark_exit (); | |
58 | return 0; | |
59 | } |