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Diffstat (limited to 'nptl/tst-cond20.c')
| -rw-r--r-- | nptl/tst-cond20.c | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/nptl/tst-cond20.c b/nptl/tst-cond20.c deleted file mode 100644 index f4047c0da4..0000000000 --- a/nptl/tst-cond20.c +++ /dev/null @@ -1,172 +0,0 @@ -/* Copyright (C) 2004-2020 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Jakub Jelinek <jakub@redhat.com>, 2004. - - 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 - <https://www.gnu.org/licenses/>. */ - -#include <pthread.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -#define N 10 -#define ROUNDS 1000 -static pthread_cond_t cond = PTHREAD_COND_INITIALIZER; -static pthread_cond_t cond2 = PTHREAD_COND_INITIALIZER; -static pthread_mutex_t mut = PTHREAD_MUTEX_INITIALIZER; -static pthread_barrier_t b; -static int count; - -static void * -tf (void *p) -{ - int i; - for (i = 0; i < ROUNDS; ++i) - { - pthread_mutex_lock (&mut); - - if (++count == N) - pthread_cond_signal (&cond2); - -#ifdef TIMED - struct timeval tv; - gettimeofday (&tv, NULL); - struct timespec ts; - /* Wait three seconds. */ - ts.tv_sec = tv.tv_sec + 3; - ts.tv_nsec = tv.tv_usec * 1000; - pthread_cond_timedwait (&cond, &mut, &ts); -#else - pthread_cond_wait (&cond, &mut); -#endif - - pthread_mutex_unlock (&mut); - - int err = pthread_barrier_wait (&b); - if (err != 0 && err != PTHREAD_BARRIER_SERIAL_THREAD) - { - puts ("child: barrier_wait failed"); - exit (1); - } - - err = pthread_barrier_wait (&b); - if (err != 0 && err != PTHREAD_BARRIER_SERIAL_THREAD) - { - puts ("child: barrier_wait failed"); - exit (1); - } - } - - return NULL; -} - - -static int -do_test (void) -{ - if (pthread_barrier_init (&b, NULL, N + 1) != 0) - { - puts ("barrier_init failed"); - return 1; - } - - pthread_mutex_lock (&mut); - - int i, j, err; - pthread_t th[N]; - for (i = 0; i < N; ++i) - if ((err = pthread_create (&th[i], NULL, tf, NULL)) != 0) - { - printf ("cannot create thread %d: %s\n", i, strerror (err)); - return 1; - } - - for (i = 0; i < ROUNDS; ++i) - { - /* Make sure we discard spurious wake-ups. */ - do - pthread_cond_wait (&cond2, &mut); - while (count != N); - - if (i & 1) - pthread_mutex_unlock (&mut); - - if (i & 2) - pthread_cond_broadcast (&cond); - else if (i & 4) - for (j = 0; j < N; ++j) - pthread_cond_signal (&cond); - else - { - for (j = 0; j < (i / 8) % N; ++j) - pthread_cond_signal (&cond); - pthread_cond_broadcast (&cond); - } - - if ((i & 1) == 0) - pthread_mutex_unlock (&mut); - - err = pthread_cond_destroy (&cond); - if (err) - { - printf ("pthread_cond_destroy failed: %s\n", strerror (err)); - return 1; - } - - /* Now clobber the cond variable which has been successfully - destroyed above. */ - memset (&cond, (char) i, sizeof (cond)); - - err = pthread_barrier_wait (&b); - if (err != 0 && err != PTHREAD_BARRIER_SERIAL_THREAD) - { - puts ("parent: barrier_wait failed"); - return 1; - } - - pthread_mutex_lock (&mut); - - err = pthread_barrier_wait (&b); - if (err != 0 && err != PTHREAD_BARRIER_SERIAL_THREAD) - { - puts ("parent: barrier_wait failed"); - return 1; - } - - count = 0; - err = pthread_cond_init (&cond, NULL); - if (err) - { - printf ("pthread_cond_init failed: %s\n", strerror (err)); - return 1; - } - } - - for (i = 0; i < N; ++i) - if ((err = pthread_join (th[i], NULL)) != 0) - { - printf ("failed to join thread %d: %s\n", i, strerror (err)); - return 1; - } - - puts ("done"); - - return 0; -} - - -#define TEST_FUNCTION do_test () -#include "../test-skeleton.c" |