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Diffstat (limited to 'nptl/tst-mutex7.c')
| -rw-r--r-- | nptl/tst-mutex7.c | 189 |
1 files changed, 0 insertions, 189 deletions
diff --git a/nptl/tst-mutex7.c b/nptl/tst-mutex7.c deleted file mode 100644 index 3938670..0000000 --- a/nptl/tst-mutex7.c +++ /dev/null @@ -1,189 +0,0 @@ -/* Copyright (C) 2002-2020 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 - <https://www.gnu.org/licenses/>. */ - -#include <errno.h> -#include <pthread.h> -#include <stdio.h> -#include <stdlib.h> -#include <time.h> - -/* This test is a template for other tests to use. Other tests define - the following macros to change the behaviour of the template test. - The test is very simple, it configures N threads given the parameters - below and then proceeds to go through mutex lock and unlock - operations in each thread as described before for the thread - function. */ -#ifndef TYPE -# define TYPE PTHREAD_MUTEX_DEFAULT -#endif -#ifndef ROBUST -# define ROBUST PTHREAD_MUTEX_STALLED -#endif -#ifndef DELAY_NSEC -# define DELAY_NSEC 11000 -#endif -#ifndef ROUNDS -# define ROUNDS 1000 -#endif -#ifndef N -# define N 100 -#endif - -static pthread_mutex_t lock; - -/* Each thread locks and the subsequently unlocks the lock, yielding - the smallest critical section possible. After the unlock the thread - waits DELAY_NSEC nanoseconds before doing the lock and unlock again. - Every thread does this ROUNDS times. The lock and unlock are - checked for errors. */ -static void * -tf (void *arg) -{ - int nr = (long int) arg; - int cnt; - struct timespec ts = { .tv_sec = 0, .tv_nsec = DELAY_NSEC }; - - for (cnt = 0; cnt < ROUNDS; ++cnt) - { - if (pthread_mutex_lock (&lock) != 0) - { - printf ("thread %d: failed to get the lock\n", nr); - return (void *) 1l; - } - - if (pthread_mutex_unlock (&lock) != 0) - { - printf ("thread %d: failed to release the lock\n", nr); - return (void *) 1l; - } - - if ((ts.tv_sec > 0) || (ts.tv_nsec > 0)) - nanosleep (&ts, NULL); - } - - return NULL; -} - -/* Setup and run N threads, where each thread does as described - in the above thread function. The threads are given a minimal 1MiB - stack since they don't do anything between the lock and unlock. */ -static int -do_test (void) -{ - pthread_mutexattr_t a; - - if (pthread_mutexattr_init (&a) != 0) - { - puts ("mutexattr_init failed"); - exit (1); - } - - if (pthread_mutexattr_settype (&a, TYPE) != 0) - { - puts ("mutexattr_settype failed"); - exit (1); - } - - if (pthread_mutexattr_setrobust (&a, ROBUST) != 0) - { - puts ("mutexattr_setrobust failed"); - exit (1); - } - -#ifdef ENABLE_PI - if (pthread_mutexattr_setprotocol (&a, PTHREAD_PRIO_INHERIT) != 0) - { - puts ("pthread_mutexattr_setprotocol failed"); - return 1; - } -#endif - - int e = pthread_mutex_init (&lock, &a); - if (e != 0) - { -#ifdef ENABLE_PI - if (e == ENOTSUP) - { - puts ("PI mutexes unsupported"); - return 0; - } -#endif - puts ("mutex_init failed"); - return 1; - } - - if (pthread_mutexattr_destroy (&a) != 0) - { - puts ("mutexattr_destroy failed"); - return 1; - } - - pthread_attr_t at; - pthread_t th[N]; - int cnt; - - if (pthread_attr_init (&at) != 0) - { - puts ("attr_init failed"); - return 1; - } - - if (pthread_attr_setstacksize (&at, 1 * 1024 * 1024) != 0) - { - puts ("attr_setstacksize failed"); - return 1; - } - - if (pthread_mutex_lock (&lock) != 0) - { - puts ("locking in parent failed"); - return 1; - } - - for (cnt = 0; cnt < N; ++cnt) - if (pthread_create (&th[cnt], &at, tf, (void *) (long int) cnt) != 0) - { - printf ("creating thread %d failed\n", cnt); - return 1; - } - - if (pthread_attr_destroy (&at) != 0) - { - puts ("attr_destroy failed"); - return 1; - } - - if (pthread_mutex_unlock (&lock) != 0) - { - puts ("unlocking in parent failed"); - return 1; - } - - for (cnt = 0; cnt < N; ++cnt) - if (pthread_join (th[cnt], NULL) != 0) - { - printf ("joining thread %d failed\n", cnt); - return 1; - } - - return 0; -} - -#define TIMEOUT 60 -#define TEST_FUNCTION do_test () -#include "../test-skeleton.c" |