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Diffstat (limited to 'include/sched.h')
| -rw-r--r-- | include/sched.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/include/sched.h b/include/sched.h new file mode 100644 index 0000000..3123124 --- /dev/null +++ b/include/sched.h @@ -0,0 +1,72 @@ +/* + * Copyright (c) 1998 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by John Birrell. + * 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 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 REGENTS 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. + * + * $Id$ + * + * POSIX 1003.1c scheduling definitions. + * + */ + +#ifndef _SCHED_H_ +#define _SCHED_H_ +#include <sys/cdefs.h> +#include <sys/types.h> +#include <time.h> + +/* + * Scheduling policies (unimplemented) + */ +#define SCHED_FIFO 0 /* First in-first out scheduling policy. */ +#define SCHED_RR 1 /* Round robin scheduling policy. */ +#define SCHED_OTHER 2 /* Another scheduling policy. */ + +/* + * POSIX 1003.1 scheduling parameter structure. + */ +struct sched_param { + int sched_priority; /* Process execution scheduling priority. */ +}; + +/* + * Scheduling function prototype definitions. + */ +__BEGIN_DECLS +int sched_getparam __P((pid_t, const struct sched_param *)); +int sched_getscheduler __P((pid_t)); +int sched_get_priority_max __P((int)); +int sched_get_priority_min __P((int)); +int sched_rr_get_interval __P((pid_t, struct timespec *)); +int sched_setparam __P((pid_t, const struct sched_param *)); +int sched_setscheduler __P((pid_t, int, const struct sched_param *)); +int sched_yield __P((void)); +__END_DECLS + +#endif /* _SCHED_H_ */ |
