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Diffstat (limited to 'test/nptl/tst-barrier3.c')
| -rw-r--r-- | test/nptl/tst-barrier3.c | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/test/nptl/tst-barrier3.c b/test/nptl/tst-barrier3.c deleted file mode 100644 index 9c4e2b25f..000000000 --- a/test/nptl/tst-barrier3.c +++ /dev/null @@ -1,153 +0,0 @@ -/* Copyright (C) 2002 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -/* Test of POSIX barriers. */ - -#include <pthread.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -#define NTHREADS 20 - -#define ROUNDS 20 - -static pthread_barrier_t barriers[NTHREADS]; - -static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER; -static int counters[NTHREADS]; -static int serial[NTHREADS]; - -static void * -worker (void *arg) -{ - void *result = NULL; - int nr = (long int) arg; - int i; - - for (i = 0; i < ROUNDS; ++i) - { - int j; - int retval; - - if (nr == 0) - { - memset (counters, '\0', sizeof (counters)); - memset (serial, '\0', sizeof (serial)); - } - - retval = pthread_barrier_wait (&barriers[NTHREADS - 1]); - if (retval != 0 && retval != PTHREAD_BARRIER_SERIAL_THREAD) - { - printf ("thread %d failed to wait for all the others\n", nr); - result = (void *) 1; - } - - for (j = nr; j < NTHREADS; ++j) - { - /* Increment the counter for this round. */ - pthread_mutex_lock (&lock); - ++counters[j]; - pthread_mutex_unlock (&lock); - - /* Wait for the rest. */ - retval = pthread_barrier_wait (&barriers[j]); - - /* Test the result. */ - if (nr == 0 && counters[j] != j + 1) - { - printf ("barrier in round %d released but count is %d\n", - j, counters[j]); - result = (void *) 1; - } - - if (retval != 0) - { - if (retval != PTHREAD_BARRIER_SERIAL_THREAD) - { - printf ("thread %d in round %d has nonzero return value != PTHREAD_BARRIER_SERIAL_THREAD\n", - nr, j); - result = (void *) 1; - } - else - { - pthread_mutex_lock (&lock); - ++serial[j]; - pthread_mutex_unlock (&lock); - } - } - - /* Wait for the rest again. */ - retval = pthread_barrier_wait (&barriers[j]); - - /* Now we can check whether exactly one thread was serializing. */ - if (nr == 0 && serial[j] != 1) - { - printf ("not exactly one serial thread in round %d\n", j); - result = (void *) 1; - } - } - } - - return result; -} - - -#define TEST_FUNCTION do_test () -#define TIMEOUT 60 -static int -do_test (void) -{ - pthread_t threads[NTHREADS]; - int i; - void *res; - int result = 0; - - /* Initialized the barrier variables. */ - for (i = 0; i < NTHREADS; ++i) - if (pthread_barrier_init (&barriers[i], NULL, i + 1) != 0) - { - printf ("Failed to initialize barrier %d\n", i); - exit (1); - } - - /* Start the threads. */ - for (i = 0; i < NTHREADS; ++i) - if (pthread_create (&threads[i], NULL, worker, (void *) (long int) i) != 0) - { - printf ("Failed to start thread %d\n", i); - exit (1); - } - - /* And wait for them. */ - for (i = 0; i < NTHREADS; ++i) - if (pthread_join (threads[i], &res) != 0 || res != NULL) - { - printf ("thread %d returned a failure\n", i); - result = 1; - } - else - printf ("joined threads %d\n", i); - - if (result == 0) - puts ("all OK"); - - return result; -} - -#include "../test-skeleton.c" |