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65 lines
1.4 KiB
C
65 lines
1.4 KiB
C
/* This testcase is part of GDB, the GNU debugger.
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Copyright 2014-2020 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifdef USE_THREADS
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#include <unistd.h>
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#include <pthread.h>
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#define NUM 5
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pthread_barrier_t barrier;
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void *
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thread_function (void *arg)
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{
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volatile unsigned int counter = 1;
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pthread_barrier_wait (&barrier);
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while (counter > 0)
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{
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counter++;
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usleep (1);
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}
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pthread_exit (NULL);
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}
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#endif /* USE_THREADS */
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void
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setup (void)
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{
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#ifdef USE_THREADS
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pthread_t threads[NUM];
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int i;
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pthread_barrier_init (&barrier, NULL, NUM + 1);
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for (i = 0; i < NUM; i++)
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pthread_create (&threads[i], NULL, thread_function, NULL);
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pthread_barrier_wait (&barrier);
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#endif /* USE_THREADS */
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}
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int
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main (void)
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{
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setup ();
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return 0; /* set break here */
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}
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