1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 1993-2003 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _SCHED_H 28 #define _SCHED_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #include <sys/types.h> 33 #include <time.h> 34 35 #ifdef __cplusplus 36 extern "C" { 37 #endif 38 39 struct sched_param { 40 int sched_priority; /* process execution scheduling priority */ 41 int sched_nicelim; /* nice value limit for SCHED_OTHER policy */ 42 int sched_nice; /* nice value for SCHED_OTHER policy */ 43 int sched_pad[6]; /* pad to the same size as pcparms_t of */ 44 /* sys/priocntl.h */ 45 /* sizeof(sched_priority) + */ 46 /* sizeof(pcparms_t.pc_clparms) */ 47 }; 48 49 /* 50 * POSIX scheduling policies 51 */ 52 #define SCHED_OTHER 0 53 #define SCHED_FIFO 1 /* run to completion */ 54 #define SCHED_RR 2 /* round-robin */ 55 #define SCHED_SYS 3 /* sys scheduling class */ 56 #define SCHED_IA 4 /* interactive class */ 57 #define _SCHED_NEXT 5 /* first unassigned policy number */ 58 59 /* 60 * function prototypes 61 */ 62 #if defined(__STDC__) 63 int sched_getparam(pid_t, struct sched_param *); 64 int sched_setparam(pid_t, const struct sched_param *); 65 int sched_getscheduler(pid_t); 66 int sched_setscheduler(pid_t, int, const struct sched_param *); 67 int sched_yield(void); 68 int sched_get_priority_max(int); 69 int sched_get_priority_min(int); 70 int sched_rr_get_interval(pid_t, struct timespec *); 71 #else 72 int sched_getparam(); 73 int sched_setparam(); 74 int sched_getscheduler(); 75 int sched_setscheduler(); 76 int sched_yield(); 77 int sched_get_priority_max(); 78 int sched_get_priority_min(); 79 int sched_rr_get_interval(); 80 #endif /* __STDC__ */ 81 82 #ifdef __cplusplus 83 } 84 #endif 85 86 #endif /* _SCHED_H */ 87