/* 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 <gnu/types.h> #include <sys/time.h> /* for struct timespec */ /* Get system specific constant and data structure definitions. */ #include <schedbits.h> __BEGIN_DECLS /* Set scheduling parameters for a process. */ extern int __sched_setparam __P ((__pid_t __pid, __const struct sched_params *__param)); extern int sched_setparam __P ((__pid_t __pid, __const struct sched_params *__param)); /* Retrieve scheduling parameters for a particular process. */ extern int __sched_getparam __P ((__pid_t __pid, struct sched_params *__param)); extern int sched_getparam __P ((__pid_t __pid, struct sched_params *__param)); /* Set scheduling algorithm and/or parameters for a process. */ extern int __sched_setscheduler __P ((__pid_t __pid, int __policy, __const struct sched_params *__param)); extern int sched_setscheduler __P ((__pid_t __pid, int __policy, __const struct sched_params *__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 */