64 lines
1.5 KiB
C
64 lines
1.5 KiB
C
/* This testcase is part of GDB, the GNU debugger.
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Copyright 2016-2017 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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*/
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#include <pthread.h>
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#include <unistd.h>
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#define NUM_THREADS 2
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static pthread_barrier_t barrier;
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static void
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child_sub_function (void)
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{
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while (1); /* thread loop line */
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}
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static void *
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child_function (void *args)
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{
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pthread_barrier_wait (&barrier);
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child_sub_function (); /* thread caller line */
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return NULL;
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}
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int
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main (void)
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{
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int i = 0;
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pthread_t threads[NUM_THREADS];
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/* Make the test exit eventually. */
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alarm (20);
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/* Initialize the barrier, NUM_THREADS plus the main thread. */
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pthread_barrier_init (&barrier, NULL, NUM_THREADS + 1);
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for (i = 0; i < NUM_THREADS; i++)
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pthread_create (&threads[i], NULL, child_function, NULL);
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pthread_barrier_wait (&barrier);
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while (1); /* main break line */
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return 0;
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}
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