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| 1 /* Test case for forgotten hw-watchpoints after fork()-off of a process. |
| 2 |
| 3 Copyright 2012 Free Software Foundation, Inc. |
| 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 |
| 9 the Free Software Foundation; either version 2 of the License, or |
| 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 |
| 18 along with this program; if not, write to the Free Software |
| 19 Foundation, Inc., 59 Temple Place - Suite 330, |
| 20 Boston, MA 02111-1307, USA. */ |
| 21 |
| 22 #include <assert.h> |
| 23 #include <unistd.h> |
| 24 #include <sys/wait.h> |
| 25 #include <stdio.h> |
| 26 #include <stdlib.h> |
| 27 |
| 28 #include "watchpoint-fork.h" |
| 29 |
| 30 volatile int var; |
| 31 |
| 32 void |
| 33 marker (void) |
| 34 { |
| 35 } |
| 36 |
| 37 static void |
| 38 mark_exit (void) |
| 39 { |
| 40 } |
| 41 |
| 42 int |
| 43 main (void) |
| 44 { |
| 45 setbuf (stdout, NULL); |
| 46 printf ("main: %d\n", (int) getpid ()); |
| 47 |
| 48 /* General hardware breakpoints and watchpoints validity. */ |
| 49 marker (); |
| 50 var++; |
| 51 /* Hardware watchpoints got disarmed here. */ |
| 52 forkoff (1); |
| 53 /* This watchpoint got lost before. */ |
| 54 var++; |
| 55 /* A sanity check for double hardware watchpoints removal. */ |
| 56 forkoff (2); |
| 57 var++; |
| 58 |
| 59 mark_exit (); |
| 60 return 0; |
| 61 } |
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