1 /* Test case for forgotten hw-watchpoints after fork()-off of a process. 2 3 Copyright 2012-2023 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 3 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, see <http://www.gnu.org/licenses/>. */ 19 20 #include "watchpoint-fork.h" 21 22 #include <assert.h> 23 #include <unistd.h> 24 #include <sys/wait.h> 25 #include <stdio.h> 26 #include <stdlib.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 #if DEBUG 44 setbuf (stdout, NULL); 45 printf ("main: %d\n", (int) getpid ()); 46 #endif 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 } 62