| /* This testcase is part of GDB, the GNU debugger. |
| |
| Copyright 2014-2016 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/>. */ |
| |
| #ifdef USE_THREADS |
| |
| #include <unistd.h> |
| #include <pthread.h> |
| |
| #define NUM 5 |
| |
| pthread_barrier_t barrier; |
| |
| void * |
| thread_function (void *arg) |
| { |
| volatile unsigned int counter = 1; |
| |
| pthread_barrier_wait (&barrier); |
| |
| while (counter > 0) |
| { |
| counter++; |
| usleep (1); |
| } |
| |
| pthread_exit (NULL); |
| } |
| |
| #endif /* USE_THREADS */ |
| |
| void |
| setup (void) |
| { |
| #ifdef USE_THREADS |
| pthread_t threads[NUM]; |
| int i; |
| |
| pthread_barrier_init (&barrier, NULL, NUM + 1); |
| for (i = 0; i < NUM; i++) |
| pthread_create (&threads[i], NULL, thread_function, NULL); |
| pthread_barrier_wait (&barrier); |
| #endif /* USE_THREADS */ |
| } |
| |
| int |
| main (void) |
| { |
| setup (); |
| return 0; /* set break here */ |
| } |