1144518Sdavidxu/* 2144518Sdavidxu * Copyright (c) 1998 Daniel Eischen <eischen@vigrid.com>. 3144518Sdavidxu * All rights reserved. 4144518Sdavidxu * 5144518Sdavidxu * Redistribution and use in source and binary forms, with or without 6144518Sdavidxu * modification, are permitted provided that the following conditions 7144518Sdavidxu * are met: 8144518Sdavidxu * 1. Redistributions of source code must retain the above copyright 9144518Sdavidxu * notice, this list of conditions and the following disclaimer. 10144518Sdavidxu * 2. Redistributions in binary form must reproduce the above copyright 11144518Sdavidxu * notice, this list of conditions and the following disclaimer in the 12144518Sdavidxu * documentation and/or other materials provided with the distribution. 13144518Sdavidxu * 3. All advertising materials mentioning features or use of this software 14144518Sdavidxu * must display the following acknowledgement: 15144518Sdavidxu * This product includes software developed by Daniel Eischen. 16144518Sdavidxu * 4. Neither the name of the author nor the names of any co-contributors 17144518Sdavidxu * may be used to endorse or promote products derived from this software 18144518Sdavidxu * without specific prior written permission. 19144518Sdavidxu * 20144518Sdavidxu * THIS SOFTWARE IS PROVIDED BY DANIEL EISCHEN AND CONTRIBUTORS ``AS IS'' AND 21144518Sdavidxu * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22144518Sdavidxu * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23144518Sdavidxu * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24144518Sdavidxu * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25144518Sdavidxu * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26144518Sdavidxu * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27144518Sdavidxu * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28144518Sdavidxu * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29144518Sdavidxu * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30144518Sdavidxu * SUCH DAMAGE. 31144518Sdavidxu * 32144518Sdavidxu * $FreeBSD$ 33144518Sdavidxu */ 34144518Sdavidxu 35157457Sdavidxu#include "namespace.h" 36162499Sdavidxu#include <sys/types.h> 37162499Sdavidxu#include <sys/rtprio.h> 38144518Sdavidxu#include <errno.h> 39144518Sdavidxu#include <pthread.h> 40157457Sdavidxu#include "un-namespace.h" 41144518Sdavidxu 42144518Sdavidxu#include "thr_private.h" 43144518Sdavidxu 44144518Sdavidxu__weak_reference(_pthread_getschedparam, pthread_getschedparam); 45144518Sdavidxu 46144518Sdavidxuint 47144518Sdavidxu_pthread_getschedparam(pthread_t pthread, int *policy, 48144518Sdavidxu struct sched_param *param) 49144518Sdavidxu{ 50144518Sdavidxu struct pthread *curthread = _get_curthread(); 51238645Sdavidxu int ret = 0; 52144518Sdavidxu 53160287Sdavidxu if (policy == NULL || param == NULL) 54160287Sdavidxu return (EINVAL); 55160287Sdavidxu 56238643Sdavidxu /* 57238643Sdavidxu * Avoid searching the thread list when it is the current 58238643Sdavidxu * thread. 59238643Sdavidxu */ 60238643Sdavidxu if (pthread == curthread) 61160287Sdavidxu THR_LOCK(curthread); 62238643Sdavidxu else if ((ret = _thr_find_thread(curthread, pthread, /*include dead*/0))) 63238643Sdavidxu return (ret); 64238643Sdavidxu *policy = pthread->attr.sched_policy; 65238643Sdavidxu param->sched_priority = pthread->attr.prio; 66238643Sdavidxu THR_THREAD_UNLOCK(curthread, pthread); 67144518Sdavidxu return (ret); 68144518Sdavidxu} 69