1a091d823SDavid Xu /* 2a091d823SDavid Xu * Copyright (c) 1998 Daniel Eischen <eischen@vigrid.com>. 3a091d823SDavid Xu * All rights reserved. 4a091d823SDavid Xu * 5a091d823SDavid Xu * Redistribution and use in source and binary forms, with or without 6a091d823SDavid Xu * modification, are permitted provided that the following conditions 7a091d823SDavid Xu * are met: 8a091d823SDavid Xu * 1. Redistributions of source code must retain the above copyright 9a091d823SDavid Xu * notice, this list of conditions and the following disclaimer. 10a091d823SDavid Xu * 2. Redistributions in binary form must reproduce the above copyright 11a091d823SDavid Xu * notice, this list of conditions and the following disclaimer in the 12a091d823SDavid Xu * documentation and/or other materials provided with the distribution. 13a091d823SDavid Xu * 3. All advertising materials mentioning features or use of this software 14a091d823SDavid Xu * must display the following acknowledgement: 15a091d823SDavid Xu * This product includes software developed by Daniel Eischen. 16a091d823SDavid Xu * 4. Neither the name of the author nor the names of any co-contributors 17a091d823SDavid Xu * may be used to endorse or promote products derived from this software 18a091d823SDavid Xu * without specific prior written permission. 19a091d823SDavid Xu * 20a091d823SDavid Xu * THIS SOFTWARE IS PROVIDED BY DANIEL EISCHEN AND CONTRIBUTORS ``AS IS'' AND 21a091d823SDavid Xu * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22a091d823SDavid Xu * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23a091d823SDavid Xu * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24a091d823SDavid Xu * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25a091d823SDavid Xu * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26a091d823SDavid Xu * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27a091d823SDavid Xu * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28a091d823SDavid Xu * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29a091d823SDavid Xu * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30a091d823SDavid Xu * SUCH DAMAGE. 31a091d823SDavid Xu * 32a091d823SDavid Xu * $FreeBSD$ 33a091d823SDavid Xu */ 34a091d823SDavid Xu 3537a6356bSDavid Xu #include "namespace.h" 36e6747c7cSDavid Xu #include <sys/types.h> 37e6747c7cSDavid Xu #include <sys/rtprio.h> 38a091d823SDavid Xu #include <errno.h> 39a091d823SDavid Xu #include <pthread.h> 4037a6356bSDavid Xu #include "un-namespace.h" 41a091d823SDavid Xu 42a091d823SDavid Xu #include "thr_private.h" 43a091d823SDavid Xu 44a091d823SDavid Xu __weak_reference(_pthread_getschedparam, pthread_getschedparam); 45a091d823SDavid Xu 46a091d823SDavid Xu int 47a091d823SDavid Xu _pthread_getschedparam(pthread_t pthread, int *policy, 48a091d823SDavid Xu struct sched_param *param) 49a091d823SDavid Xu { 50a091d823SDavid Xu struct pthread *curthread = _get_curthread(); 51*5674256cSDavid Xu int ret = 0; 52a091d823SDavid Xu 537b4f8f03SDavid Xu if (policy == NULL || param == NULL) 547b4f8f03SDavid Xu return (EINVAL); 557b4f8f03SDavid Xu 56a091d823SDavid Xu /* 57a091d823SDavid Xu * Avoid searching the thread list when it is the current 58a091d823SDavid Xu * thread. 59a091d823SDavid Xu */ 60340e384dSDavid Xu if (pthread == curthread) 617b4f8f03SDavid Xu THR_LOCK(curthread); 62340e384dSDavid Xu else if ((ret = _thr_find_thread(curthread, pthread, /*include dead*/0))) 63340e384dSDavid Xu return (ret); 64e2dc286cSDavid Xu *policy = pthread->attr.sched_policy; 65e2dc286cSDavid Xu param->sched_priority = pthread->attr.prio; 66a091d823SDavid Xu THR_THREAD_UNLOCK(curthread, pthread); 67a091d823SDavid Xu return (ret); 68a091d823SDavid Xu } 69