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