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/* Definitions for POSIX 1003.1b-1993 (aka POSIX.4) scheduling interface.
Copyright (C) 1996 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef _SCHED_H
#define _SCHED_H 1
#include <features.h>
/* Get type definitions. */
#include <bits/types.h>
#include <sys/time.h> /* for struct timespec */
/* Get system specific constant and data structure definitions. */
#include <bits/sched.h>
__BEGIN_DECLS
/* Set scheduling parameters for a process. */
extern int __sched_setparam __P ((__pid_t __pid,
__const struct sched_param *__param));
extern int sched_setparam __P ((__pid_t __pid,
__const struct sched_param *__param));
/* Retrieve scheduling parameters for a particular process. */
extern int __sched_getparam __P ((__pid_t __pid, struct sched_param *__param));
extern int sched_getparam __P ((__pid_t __pid, struct sched_param *__param));
/* Set scheduling algorithm and/or parameters for a process. */
extern int __sched_setscheduler __P ((__pid_t __pid, int __policy,
__const struct sched_param *__param));
extern int sched_setscheduler __P ((__pid_t __pid, int __policy,
__const struct sched_param *__param));
/* Retrieve scheduling algorithm for a particular purpose. */
extern int __sched_getscheduler __P ((__pid_t __pid));
extern int sched_getscheduler __P ((__pid_t __pid));
/* Yield the processor. */
extern int __sched_yield __P ((void));
extern int sched_yield __P ((void));
/* Get maximum priority value for a scheduler. */
extern int __sched_get_priority_max __P ((int __algorithm));
extern int sched_get_priority_max __P ((int __algorithm));
/* Get minimum priority value for a scheduler. */
extern int __sched_get_priority_min __P ((int __algorithm));
extern int sched_get_priority_min __P ((int __algorithm));
/* Get the SCHED_RR interval for the named process. */
extern int __sched_rr_get_interval __P ((__pid_t __pid, struct timespec *__t));
extern int sched_rr_get_interval __P ((__pid_t __pid, struct timespec *__t));
__END_DECLS
#endif /* sched.h */
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