144963Sjb/* 244963Sjb * Copyright (c) 1998 Daniel Eischen <eischen@vigrid.com>. 344963Sjb * All rights reserved. 444963Sjb * 544963Sjb * Redistribution and use in source and binary forms, with or without 644963Sjb * modification, are permitted provided that the following conditions 744963Sjb * are met: 844963Sjb * 1. Redistributions of source code must retain the above copyright 944963Sjb * notice, this list of conditions and the following disclaimer. 1044963Sjb * 2. Redistributions in binary form must reproduce the above copyright 1144963Sjb * notice, this list of conditions and the following disclaimer in the 1244963Sjb * documentation and/or other materials provided with the distribution. 1344963Sjb * 3. All advertising materials mentioning features or use of this software 1444963Sjb * must display the following acknowledgement: 1544963Sjb * This product includes software developed by Daniel Eischen. 1644963Sjb * 4. Neither the name of the author nor the names of any co-contributors 1744963Sjb * may be used to endorse or promote products derived from this software 1844963Sjb * without specific prior written permission. 1944963Sjb * 2044963Sjb * THIS SOFTWARE IS PROVIDED BY DANIEL EISCHEN AND CONTRIBUTORS ``AS IS'' AND 2144963Sjb * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2244963Sjb * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2344963Sjb * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2444963Sjb * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2544963Sjb * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2644963Sjb * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2744963Sjb * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2844963Sjb * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2944963Sjb * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3044963Sjb * SUCH DAMAGE. 3144963Sjb * 3250476Speter * $FreeBSD$ 3344963Sjb */ 34174112Sdeischen 35174112Sdeischen#include "namespace.h" 3644963Sjb#include <errno.h> 3744963Sjb#include <pthread.h> 38174112Sdeischen#include "un-namespace.h" 39103388Smini#include "thr_private.h" 4044963Sjb 4175369Sdeischen__weak_reference(_pthread_getschedparam, pthread_getschedparam); 4271581Sdeischen 4344963Sjbint 4471581Sdeischen_pthread_getschedparam(pthread_t pthread, int *policy, 4553812Salfred struct sched_param *param) 4644963Sjb{ 47113658Sdeischen struct pthread *curthread = _get_curthread(); 48117300Sdavidxu int ret, tmp; 4944963Sjb 5044963Sjb if ((param == NULL) || (policy == NULL)) 5144963Sjb /* Return an invalid argument error: */ 5244963Sjb ret = EINVAL; 53113658Sdeischen else if (pthread == curthread) { 54113658Sdeischen /* 55113658Sdeischen * Avoid searching the thread list when it is the current 56113658Sdeischen * thread. 57113658Sdeischen */ 58113658Sdeischen THR_SCHED_LOCK(curthread, curthread); 5967097Sdeischen param->sched_priority = 60113658Sdeischen THR_BASE_PRIORITY(pthread->base_priority); 61117300Sdavidxu tmp = pthread->attr.sched_policy; 62113658Sdeischen THR_SCHED_UNLOCK(curthread, curthread); 63117300Sdavidxu *policy = tmp; 64113658Sdeischen ret = 0; 6544963Sjb } 66113658Sdeischen /* Find the thread in the list of active threads. */ 67113658Sdeischen else if ((ret = _thr_ref_add(curthread, pthread, /*include dead*/0)) 68113658Sdeischen == 0) { 69113658Sdeischen THR_SCHED_LOCK(curthread, pthread); 70113658Sdeischen param->sched_priority = 71113658Sdeischen THR_BASE_PRIORITY(pthread->base_priority); 72117300Sdavidxu tmp = pthread->attr.sched_policy; 73113658Sdeischen THR_SCHED_UNLOCK(curthread, pthread); 74113658Sdeischen _thr_ref_delete(curthread, pthread); 75117300Sdavidxu *policy = tmp; 76113658Sdeischen } 77113658Sdeischen return (ret); 7844963Sjb} 79