/* This testcase is part of GDB, the GNU debugger. Copyright 2002-2015 Free Software Foundation, Inc. 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 . */ #include #include #include unsigned int args[2]; int trigger = 0; void * thread_function0 (void *arg) { int my_number = (long) arg; volatile int *myp = (volatile int *) &args[my_number]; while (*myp > 0) { (*myp) ++; usleep (1); /* Loop increment 1. */ } return NULL; } void * thread_function0_1 (void *arg) { void *ret = thread_function0 (arg); return ret; /* set breakpoint here */ } void * thread_function1 (void *arg) { int my_number = (long) arg; volatile int *myp = (volatile int *) &args[my_number]; while (*myp > 0) { (*myp) ++; usleep (1); /* Loop increment 2. */ } return NULL; } int main () { int res; pthread_t threads[2]; void *thread_result; long i = 0; args[i] = 1; /* Init value. */ res = pthread_create (&threads[i], NULL, thread_function0_1, (void *) i); i++; args[i] = 1; /* Init value. */ res = pthread_create(&threads[i], NULL, thread_function1, (void *) i); pthread_join (threads[0], &thread_result); pthread_join (threads[1], &thread_result); exit(EXIT_SUCCESS); }