/*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 1995 John Birrell <jb@cimlogic.com.au>. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the author nor the names of any co-contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include "namespace.h" #include <pthread.h> #include "un-namespace.h" #include "thr_private.h" __weak_reference(_pthread_setprio, pthread_setprio); int _pthread_setprio(pthread_t pthread, int prio) { struct pthread *curthread = _get_curthread(); struct sched_param param; int ret; param.sched_priority = prio; if (pthread == curthread) THR_LOCK(curthread); else if ((ret = _thr_find_thread(curthread, pthread, /*include dead*/0))) return (ret); if (pthread->attr.sched_policy == SCHED_OTHER || pthread->attr.prio == prio) { pthread->attr.prio = prio; ret = 0; } else { ret = _thr_setscheduler(pthread->tid, pthread->attr.sched_policy, ¶m); if (ret == -1) ret = errno; else pthread->attr.prio = prio; } THR_THREAD_UNLOCK(curthread, pthread); return (ret); }