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 21 #ifndef _SYS_SCHED_H_ 22 #define _SYS_SCHED_H_ 23 24 #include <sys/_timespec.h> 25 26 #ifdef __cplusplus 27 extern "C" { 28 #endif 29 30 /* Scheduling Policies */ 31 /* Open Group Specifications Issue 6 */ 32 #if defined(__CYGWIN__) 33 #define SCHED_OTHER 3 34 #else 35 #define SCHED_OTHER 0 36 #endif 37 38 #define SCHED_FIFO 1 39 #define SCHED_RR 2 40 41 #if defined(_POSIX_SPORADIC_SERVER) 42 #define SCHED_SPORADIC 4 43 #endif 44 45 /* Scheduling Parameters */ 46 /* Open Group Specifications Issue 6 */ 47 48 struct sched_param { 49 int sched_priority; /* Process execution scheduling priority */ 50 51 #if defined(_POSIX_SPORADIC_SERVER) || defined(_POSIX_THREAD_SPORADIC_SERVER) 52 int sched_ss_low_priority; /* Low scheduling priority for sporadic */ 53 /* server */ 54 struct timespec sched_ss_repl_period; 55 /* Replenishment period for sporadic server */ 56 struct timespec sched_ss_init_budget; 57 /* Initial budget for sporadic server */ 58 int sched_ss_max_repl; /* Maximum pending replenishments for */ 59 /* sporadic server */ 60 #endif 61 }; 62 63 #ifdef __cplusplus 64 } 65 #endif 66 67 #endif 68 /* end of include file */ 69 70
