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Diffstat (limited to 'include/sched.h')
| -rw-r--r-- | include/sched.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/include/sched.h b/include/sched.h new file mode 100644 index 0000000..8e468b4 --- /dev/null +++ b/include/sched.h @@ -0,0 +1,75 @@ +/* $OpenBSD: sched.h,v 1.1 2017/10/15 23:40:33 guenther Exp $ */ + +/* sched.h: POSIX 1003.1b Process Scheduling header */ + +/*- + * Copyright (c) 1996, 1997 + * HD Associates, Inc. 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by HD Associates, Inc + * and Jukka Antero Ukkonen. + * 4. 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 HD ASSOCIATES 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 HD ASSOCIATES 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. + * + */ + +#ifndef _SCHED_H_ +#define _SCHED_H_ + +#include <sys/types.h> /* For pid_t */ +#include <time.h> /* Per P1003.4 */ + +/* Scheduling policies + */ +#define SCHED_FIFO 1 +#define SCHED_OTHER 2 +#define SCHED_RR 3 + +struct sched_param +{ + int sched_priority; +}; + +__BEGIN_DECLS +#if 0 /* not yet */ +int sched_setparam(pid_t, const struct sched_param *); +int sched_getparam(pid_t, struct sched_param *); + +int sched_setscheduler(pid_t, int, const struct sched_param *); +int sched_getscheduler(pid_t); +#endif + +int sched_yield(void); +int sched_get_priority_max(int); +int sched_get_priority_min(int); + +#if 0 /* not yet */ +struct timespec; +int sched_rr_get_interval(pid_t, struct timespec *); +#endif +__END_DECLS + +#endif /* _SCHED_H_ */ |