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[/] [or1k/] [trunk/] [linux/] [uClibc/] [include/] [sched.h] - Rev 1765

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/* Definitions for POSIX 1003.1b-1993 (aka POSIX.4) scheduling interface.
   Copyright (C) 1996, 1997, 1999, 2001 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 Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 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
   Lesser General Public License for more details.
 
   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; 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>
 
#define __need_timespec
#include <time.h>
 
/* Get system specific constant and data structure definitions.  */
#include <bits/sched.h>
/* Define the real names for the elements of `struct sched_param'.  */
#define sched_priority	__sched_priority
 
 
__BEGIN_DECLS
 
/* Set scheduling parameters for a process.  */
extern int sched_setparam (__pid_t __pid, __const struct sched_param *__param)
     __THROW;
 
/* Retrieve scheduling parameters for a particular process.  */
extern int sched_getparam (__pid_t __pid, struct sched_param *__param) __THROW;
 
/* Set scheduling algorithm and/or parameters for a process.  */
extern int sched_setscheduler (__pid_t __pid, int __policy,
			       __const struct sched_param *__param) __THROW;
 
/* Retrieve scheduling algorithm for a particular purpose.  */
extern int sched_getscheduler (__pid_t __pid) __THROW;
 
/* Yield the processor.  */
extern int sched_yield (void) __THROW;
 
/* Get maximum priority value for a scheduler.  */
extern int sched_get_priority_max (int __algorithm) __THROW;
 
/* Get minimum priority value for a scheduler.  */
extern int sched_get_priority_min (int __algorithm) __THROW;
 
/* Get the SCHED_RR interval for the named process.  */
extern int sched_rr_get_interval (__pid_t __pid, struct timespec *__t) __THROW;
 
__END_DECLS
 
#endif /* sched.h */
 

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