| /* This testcase is part of GDB, the GNU debugger. |
| |
| Copyright 2002-2013 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 <http://www.gnu.org/licenses/>. |
| |
| */ |
| |
| #include <unistd.h> |
| #include <stdlib.h> |
| #include <pthread.h> |
| |
| 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); |
| } |