/* Copyright (C) 2002, 2004, 2006 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/>. */ #include <errno.h> #include <pthread.h> #include <stdio.h> #include <stdlib.h> #include <time.h> #ifndef TYPE # define TYPE PTHREAD_MUTEX_DEFAULT #endif static pthread_mutex_t lock; #define ROUNDS 1000 #define N 100 static void * tf (void *arg) { int nr = (long int) arg; int cnt; struct timespec ts = { .tv_sec = 0, .tv_nsec = 11000 }; 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; } nanosleep (&ts, NULL); } return NULL; } 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); } #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"