projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 7b3547eb RM |
1 | /* Definitions for POSIX 1003.1b-1993 (aka POSIX.4) scheduling interface. |
| 2 | Copyright (C) 1996 Free Software Foundation, Inc. | |
| 3 | This file is part of the GNU C Library. | |
| 4 | ||
| 5 | The GNU C Library is free software; you can redistribute it and/or | |
| 6 | modify it under the terms of the GNU Library General Public License as | |
| 7 | published by the Free Software Foundation; either version 2 of the | |
| 8 | License, or (at your option) any later version. | |
| 9 | ||
| 10 | The GNU C Library is distributed in the hope that it will be useful, | |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 | Library General Public License for more details. | |
| 14 | ||
| 15 | You should have received a copy of the GNU Library General Public | |
| 16 | License along with the GNU C Library; see the file COPYING.LIB. If | |
| 17 | not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 18 | Boston, MA 02111-1307, USA. */ | |
| 19 | ||
| 20 | #ifndef _SCHED_H | |
| 21 | #define _SCHED_H 1 | |
| 22 | ||
| 23 | #include <features.h> | |
| 24 | ||
| 25 | /* Get type definitions. */ | |
| 26 | #include <gnu/types.h> | |
| 27 | #include <sys/time.h> /* for struct timespec */ | |
| 28 | ||
| 29 | /* Get system specific constant and data structure definitions. */ | |
| 30 | #include <schedbits.h> | |
| 31 | ||
| 32 | __BEGIN_DECLS | |
| 33 | ||
| 34 | /* Set scheduling parameters for a process. */ | |
| 35 | extern int __sched_setparam __P ((__pid_t __pid, | |
| 36 | __const struct sched_param *__param)); | |
| 37 | extern int sched_setparam __P ((__pid_t __pid, | |
| 38 | __const struct sched_param *__param)); | |
| 39 | ||
| 40 | /* Retrieve scheduling parameters for a particular process. */ | |
| 41 | extern int __sched_getparam __P ((__pid_t __pid, struct sched_param *__param)); | |
| 42 | extern int sched_getparam __P ((__pid_t __pid, struct sched_param *__param)); | |
| 43 | ||
| 44 | /* Set scheduling algorithm and/or parameters for a process. */ | |
| 45 | extern int __sched_setscheduler __P ((__pid_t __pid, int __policy, | |
| 46 | __const struct sched_param *__param)); | |
| 47 | extern int sched_setscheduler __P ((__pid_t __pid, int __policy, | |
| 48 | __const struct sched_param *__param)); | |
| 49 | ||
| 50 | /* Retrieve scheduling algorithm for a particular purpose. */ | |
| 51 | extern int __sched_getscheduler __P ((__pid_t __pid)); | |
| 52 | extern int sched_getscheduler __P ((__pid_t __pid)); | |
| 53 | ||
| 54 | /* Yield the processor. */ | |
| 55 | extern int __sched_yield __P ((void)); | |
| 56 | extern int sched_yield __P ((void)); | |
| 57 | ||
| 58 | /* Get maximum priority value for a scheduler. */ | |
| 59 | extern int __sched_get_priority_max __P ((int __algorithm)); | |
| 60 | extern int sched_get_priority_max __P ((int __algorithm)); | |
| 61 | ||
| 62 | /* Get minimum priority value for a scheduler. */ | |
| 63 | extern int __sched_get_priority_min __P ((int __algorithm)); | |
| 64 | extern int sched_get_priority_min __P ((int __algorithm)); | |
| 65 | ||
| 66 | /* Get the SCHED_RR interval for the named process. */ | |
| 67 | extern int __sched_rr_get_interval __P ((__pid_t __pid, struct timespec *__t)); | |
| 68 | extern int sched_rr_get_interval __P ((__pid_t __pid, struct timespec *__t)); | |
| 69 | ||
| 70 | __END_DECLS | |
| 71 | ||
| 72 | #endif /* sched.h */ |