89 lines
3.1 KiB
C
89 lines
3.1 KiB
C
/* $NetBSD: sched.h,v 1.8 2005/10/09 11:17:28 kleink Exp $ */
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/*-
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* Copyright (c) 2001 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Nathan J. Williams.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _SCHED_H_
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#define _SCHED_H_
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#include <sys/cdefs.h>
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#include <sys/featuretest.h>
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#include <sys/sched.h>
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/* Required by POSIX 1003.1, section 13.1, lines 12-13. */
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#include <time.h>
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/* Functions */
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__BEGIN_DECLS
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/*
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* These are permitted to fail and return -1 and set errno = ENOSYS if
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* _POSIX_PRIORITY_SCHEDULING is not defined.
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*/
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int sched_setparam(pid_t, const struct sched_param *);
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int sched_getparam(pid_t, struct sched_param *);
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int sched_setscheduler(pid_t, int, const struct sched_param *);
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int sched_getscheduler(pid_t);
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int sched_get_priority_max(int);
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int sched_get_priority_min(int);
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int sched_rr_get_interval(pid_t, struct timespec *);
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/* Not optional in the presence of _POSIX_THREADS */
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int sched_yield(void);
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int __libc_thr_yield(void);
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__END_DECLS
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#ifndef __LIBPTHREAD_SOURCE__
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#define sched_yield __libc_thr_yield
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#endif /* __LIBPTHREAD_SOURCE__ */
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#if defined(_NETBSD_SOURCE)
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/*
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* Stuff that for historical reasons is in <sched.h>, but not defined
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* by any standard.
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*/
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__BEGIN_DECLS
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pid_t clone(int (*)(void *), void *, int, void *);
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pid_t __clone(int (*)(void *), void *, int, void *);
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__END_DECLS
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#endif /* _NETBSD_SOURCE */
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#endif /* _SCHED_H_ */
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