/* 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, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #include <errno.h> #include <pthread.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <time.h> #include <sys/time.h> static pthread_mutex_t mut; static pthread_cond_t cond = PTHREAD_COND_INITIALIZER; static int do_test (void) { pthread_mutexattr_t ma; int err; struct timespec ts; struct timeval tv; if (pthread_mutexattr_init (&ma) != 0) { puts ("mutexattr_init failed"); exit (1); } if (pthread_mutexattr_settype (&ma, PTHREAD_MUTEX_ERRORCHECK) != 0) { puts ("mutexattr_settype failed"); exit (1); } if (pthread_mutex_init (&mut, &ma) != 0) { puts ("mutex_init failed"); exit (1); } /* Get the mutex. */ if (pthread_mutex_lock (&mut) != 0) { puts ("mutex_lock failed"); exit (1); } /* Waiting for the condition will fail. But we want the timeout here. */ if (gettimeofday (&tv, NULL) != 0) { puts ("gettimeofday failed"); exit (1); } TIMEVAL_TO_TIMESPEC (&tv, &ts); ts.tv_nsec += 500000000; if (ts.tv_nsec >= 1000000000) { ts.tv_nsec -= 1000000000; ++ts.tv_sec; } err = pthread_cond_timedwait (&cond, &mut, &ts); if (err == 0) { /* This could in theory happen but here without any signal and additional waiter it should not. */ puts ("cond_timedwait succeeded"); exit (1); } else if (err != ETIMEDOUT) { printf ("cond_timedwait returned with %s\n", strerror (err)); exit (1); } err = pthread_mutex_unlock (&mut); if (err != 0) { printf ("mutex_unlock failed: %s\n", strerror (err)); exit (1); } return 0; } #define TEST_FUNCTION do_test () #include "../test-skeleton.c"