| /* Test case for forgotten hw-watchpoints after fork()-off of a process. |
| |
| Copyright 2012-2016 Free Software Foundation, Inc. |
| |
| This file is part of GDB. |
| |
| 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 "watchpoint-fork.h" |
| |
| #include <assert.h> |
| #include <unistd.h> |
| #include <sys/wait.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| |
| volatile int var; |
| |
| void |
| marker (void) |
| { |
| } |
| |
| static void |
| mark_exit (void) |
| { |
| } |
| |
| int |
| main (void) |
| { |
| setbuf (stdout, NULL); |
| printf ("main: %d\n", (int) getpid ()); |
| |
| /* General hardware breakpoints and watchpoints validity. */ |
| marker (); |
| var++; |
| /* Hardware watchpoints got disarmed here. */ |
| forkoff (1); |
| /* This watchpoint got lost before. */ |
| var++; |
| /* A sanity check for double hardware watchpoints removal. */ |
| forkoff (2); |
| var++; |
| |
| mark_exit (); |
| return 0; |
| } |