1/* $NetBSD: sched.h,v 1.15 2022/08/01 15:16:05 wiz Exp $ */ 2 3/*- 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Nathan J. Williams. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32#ifndef _SCHED_H_ 33#define _SCHED_H_ 34 35#include <sys/cdefs.h> 36#include <sys/featuretest.h> 37#include <sys/sched.h> 38 39/* Required by POSIX 1003.1, section 13.1, lines 12-13. */ 40#include <time.h> 41 42__BEGIN_DECLS 43int sched_setparam(pid_t, const struct sched_param *); 44int sched_getparam(pid_t, struct sched_param *); 45int sched_setscheduler(pid_t, int, const struct sched_param *); 46int sched_getscheduler(pid_t); 47int sched_get_priority_max(int); 48int sched_get_priority_min(int); 49#ifndef __LIBC12_SOURCE__ 50int sched_rr_get_interval(pid_t, struct timespec *) 51 __RENAME(__sched_rr_get_interval50); 52#endif 53 54int sched_yield(void); 55int __libc_thr_yield(void); 56__END_DECLS 57 58#ifndef __LIBPTHREAD_SOURCE__ 59#define sched_yield __libc_thr_yield 60#endif /* __LIBPTHREAD_SOURCE__ */ 61 62__BEGIN_DECLS 63 64#if defined(_NETBSD_SOURCE) 65 66/* Process affinity functions (not portable) */ 67int sched_getaffinity_np(pid_t, size_t, cpuset_t *); 68int sched_setaffinity_np(pid_t, size_t, cpuset_t *); 69 70#endif /* _NETBSD_SOURCE */ 71 72#if defined(_GNU_SOURCE) 73 74/* 75 * Historical functions, not defined in standard 76 * Linux man page documents clone() as only available when 77 * _GNU_SOURCE is defined 78 */ 79pid_t clone(int (*)(void *), void *, int, void *); 80#endif /* _GNU_SOURCE */ 81 82#if defined(_NETBSD_SOURCE) 83 84pid_t __clone(int (*)(void *), void *, int, void *); 85 86#endif /* _NETBSD_SOURCE */ 87 88__END_DECLS 89 90#endif /* _SCHED_H_ */ 91