1 /* 2 * Written by Joel Sherrill <joel@OARcorp.com>. 3 * 4 * COPYRIGHT (c) 1989-2010. 5 * On-Line Applications Research Corporation (OAR). 6 * 7 * Permission to use, copy, modify, and distribute this software for any 8 * purpose without fee is hereby granted, provided that this entire notice 9 * is included in all copies of any software which is or includes a copy 10 * or modification of this software. 11 * 12 * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED 13 * WARRANTY. IN PARTICULAR, THE AUTHOR MAKES NO REPRESENTATION 14 * OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY OF THIS 15 * SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. 16 * 17 * $Id$ 18 */ 19 20 #ifndef _SCHED_H_ 21 #define _SCHED_H_ 22 23 #include <sys/cdefs.h> 24 #include <sys/types.h> 25 #include <sys/sched.h> 26 27 _BEGIN_STD_C 28 29 #if defined(_POSIX_PRIORITY_SCHEDULING) 30 /* 31 * XBD 13 - Set Scheduling Parameters, P1003.1b-2008, p. 1803 32 */ 33 int sched_setparam( 34 pid_t __pid, 35 const struct sched_param *__param 36 ); 37 38 /* 39 * XBD 13 - Set Scheduling Parameters, P1003.1b-2008, p. 1800 40 */ 41 int sched_getparam( 42 pid_t __pid, 43 struct sched_param *__param 44 ); 45 46 /* 47 * XBD 13 - Set Scheduling Policy and Scheduling Parameters, 48 * P1003.1b-2008, p. 1805 49 */ 50 int sched_setscheduler( 51 pid_t __pid, 52 int __policy, 53 const struct sched_param *__param 54 ); 55 56 /* 57 * XBD 13 - Get Scheduling Policy, P1003.1b-2008, p. 1801 58 */ 59 int sched_getscheduler( 60 pid_t __pid 61 ); 62 63 /* 64 * XBD 13 - Get Scheduling Parameter Limits, P1003.1b-2008, p. 1799 65 */ 66 int sched_get_priority_max( 67 int __policy 68 ); 69 70 int sched_get_priority_min( 71 int __policy 72 ); 73 74 /* 75 * XBD 13 - Get Scheduling Parameter Limits, P1003.1b-2008, p. 1802 76 */ 77 int sched_rr_get_interval( 78 pid_t __pid, 79 struct timespec *__interval 80 ); 81 #endif /* _POSIX_PRIORITY_SCHEDULING */ 82 83 #if defined(_POSIX_THREADS) || defined(_POSIX_PRIORITY_SCHEDULING) 84 85 /* 86 * XBD 13 - Yield Processor, P1003.1b-2008, p. 1807 87 */ 88 int sched_yield( void ); 89 90 #endif /* _POSIX_THREADS or _POSIX_PRIORITY_SCHEDULING */ 91 92 #if __GNU_VISIBLE 93 int sched_getcpu(void); 94 95 /* The following functions should only be declared if the type 96 cpu_set_t is defined through indirect inclusion of sys/cpuset.h, 97 only available on some targets. */ 98 #ifdef _SYS_CPUSET_H_ 99 int sched_getaffinity (pid_t, size_t, cpu_set_t *); 100 int sched_get_thread_affinity (void *, size_t, cpu_set_t *); 101 int sched_setaffinity (pid_t, size_t, const cpu_set_t *); 102 int sched_set_thread_affinity (void *, size_t, const cpu_set_t *); 103 #endif /* _SYS_CPUSET_H_ */ 104 105 #endif 106 107 _END_STD_C 108 109 #endif /* _SCHED_H_ */ 110
