68 lines
2.3 KiB
C
68 lines
2.3 KiB
C
/* 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 */
|