/* * Written by Joel Sherrill . * * COPYRIGHT (c) 1989-2010. * On-Line Applications Research Corporation (OAR). * * Permission to use, copy, modify, and distribute this software for any * purpose without fee is hereby granted, provided that this entire notice * is included in all copies of any software which is or includes a copy * or modification of this software. * * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED * WARRANTY. IN PARTICULAR, THE AUTHOR MAKES NO REPRESENTATION * OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY OF THIS * SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. * * $Id$ */ #ifndef _SCHED_H_ #define _SCHED_H_ #include #include #ifdef __cplusplus extern "C" { #endif #if defined(_POSIX_PRIORITY_SCHEDULING) /* * XBD 13 - Set Scheduling Parameters, P1003.1b-2008, p. 1803 */ int sched_setparam( pid_t __pid, const struct sched_param *__param ); /* * XBD 13 - Set Scheduling Parameters, P1003.1b-2008, p. 1800 */ int sched_getparam( pid_t __pid, struct sched_param *__param ); /* * XBD 13 - Set Scheduling Policy and Scheduling Parameters, * P1003.1b-2008, p. 1805 */ int sched_setscheduler( pid_t __pid, int __policy, const struct sched_param *__param ); /* * XBD 13 - Get Scheduling Policy, P1003.1b-2008, p. 1801 */ int sched_getscheduler( pid_t __pid ); /* * XBD 13 - Get Scheduling Parameter Limits, P1003.1b-2008, p. 1799 */ int sched_get_priority_max( int __policy ); int sched_get_priority_min( int __policy ); /* * XBD 13 - Get Scheduling Parameter Limits, P1003.1b-2008, p. 1802 */ int sched_rr_get_interval( pid_t __pid, struct timespec *__interval ); #endif /* _POSIX_PRIORITY_SCHEDULING */ #if defined(_POSIX_THREADS) || defined(_POSIX_PRIORITY_SCHEDULING) /* * XBD 13 - Yield Processor, P1003.1b-2008, p. 1807 */ int sched_yield( void ); #endif /* _POSIX_THREADS or _POSIX_PRIORITY_SCHEDULING */ #if __GNU_VISIBLE int sched_getcpu(void); int sched_getaffinity (pid_t, size_t, cpu_set_t *); int sched_get_thread_affinity (void *, size_t, cpu_set_t *); int sched_setaffinity (pid_t, size_t, const cpu_set_t *); int sched_set_thread_affinity (void *, size_t, const cpu_set_t *); #endif #ifdef __cplusplus } #endif #endif /* _SCHED_H_ */