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- /* This testcase is part of GDB, the GNU debugger.
- Copyright 2015-2022 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 <assert.h>
- #include <pthread.h>
- #include <unistd.h>
- /* Number of threads. Each thread continuously steps over a
- breakpoint. */
- #define NTHREADS 10
- pthread_t threads[NTHREADS];
- pthread_barrier_t barrier;
- /* Used to create a conditional breakpoint that always fails. */
- volatile int zero;
- static void *
- thread_func (void *arg)
- {
- pthread_barrier_wait (&barrier);
- while (1)
- {
- usleep (1); /* set break here */
- }
- return NULL;
- }
- int
- main (void)
- {
- int ret;
- int i;
- /* Don't run forever. */
- alarm (180);
- pthread_barrier_init (&barrier, NULL, NTHREADS + 1);
- /* Start the threads that constantly hits a conditional breakpoint
- that needs to be stepped over. */
- for (i = 0; i < NTHREADS; i++)
- {
- ret = pthread_create (&threads[i], NULL, thread_func, NULL);
- assert (ret == 0);
- }
- /* Wait until all threads are up and running. */
- pthread_barrier_wait (&barrier);
- /* Let them start hitting the breakpoint. */
- usleep (100);
- /* Exit abruptly. */
- return 0;
- }
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