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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 <string.h> | |
21 | #include <errno.h> | |
22 | #include <sys/types.h> | |
23 | #include <unistd.h> | |
24 | #include <assert.h> | |
25 | #include <stdio.h> | |
26 | #include <sys/wait.h> | |
27 | ||
28 | #include "watchpoint-fork.h" | |
29 | ||
30 | void | |
31 | forkoff (int nr) | |
32 | { | |
33 | pid_t child, pid_got; | |
34 | int exit_code = 42 + nr; | |
35 | int status, i; | |
36 | ||
37 | child = fork (); | |
38 | switch (child) | |
39 | { | |
40 | case -1: | |
41 | assert (0); | |
42 | case 0: | |
43 | printf ("child%d: %d\n", nr, (int) getpid ()); | |
44 | /* Delay to get both the "child%d" and "parent%d" message printed without | |
45 | a race breaking expect by its endless wait on `$gdb_prompt$': | |
46 | Breakpoint 3, marker () at ../../../gdb/testsuite/gdb.threads/watchpoint-fork.c:33 | |
47 | 33 } | |
48 | (gdb) parent2: 14223 */ | |
49 | i = sleep (1); | |
50 | assert (i == 0); | |
51 | ||
52 | /* We must not get caught here (against a forgotten breakpoint). */ | |
53 | var++; | |
54 | marker (); | |
55 | ||
56 | _exit (exit_code); | |
57 | default: | |
58 | printf ("parent%d: %d\n", nr, (int) child); | |
59 | /* Delay to get both the "child%d" and "parent%d" message printed, see | |
60 | above. */ | |
61 | i = sleep (1); | |
62 | assert (i == 0); | |
63 | ||
64 | pid_got = wait (&status); | |
65 | assert (pid_got == child); | |
66 | assert (WIFEXITED (status)); | |
67 | assert (WEXITSTATUS (status) == exit_code); | |
68 | ||
69 | /* We must get caught here (against a false watchpoint removal). */ | |
70 | marker (); | |
71 | } | |
72 | } |