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Diffstat (limited to 'posix/sched.h')
| -rw-r--r-- | posix/sched.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/posix/sched.h b/posix/sched.h new file mode 100644 index 0000000000..026a5e2f20 --- /dev/null +++ b/posix/sched.h @@ -0,0 +1,72 @@ +/* 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_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 */ |