step-over-trips-on-watchpoint.c revision 1.1
1/* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 2014-2015 Free Software Foundation, Inc. 4 5 This program is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 3 of the License, or 8 (at your option) any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 17 18#include <pthread.h> 19#include <unistd.h> 20#include <stdlib.h> 21 22pthread_barrier_t barrier; 23pthread_t child_thread; 24 25volatile unsigned int counter = 1; 26volatile unsigned int watch_me; 27volatile unsigned int other; 28 29void * 30child_function (void *arg) 31{ 32 pthread_barrier_wait (&barrier); 33 34 while (counter > 0) 35 { 36 counter++; 37 38 watch_me = 1; /* set breakpoint child here */ 39 other = 1; /* set thread-specific breakpoint here */ 40 usleep (1); 41 } 42 43 pthread_exit (NULL); 44} 45 46static int 47wait_threads (void) 48{ 49 return 1; /* in wait_threads */ 50} 51 52int 53main () 54{ 55 int res; 56 long i; 57 58 pthread_barrier_init (&barrier, NULL, 2); 59 60 res = pthread_create (&child_thread, NULL, child_function, NULL); 61 pthread_barrier_wait (&barrier); 62 wait_threads (); /* set wait-thread breakpoint here */ 63 64 pthread_join (child_thread, NULL); 65 66 exit (EXIT_SUCCESS); 67} 68