1 /*- 2 * Copyright (c) 1996, 1997, 1998 3 * HD Associates, Inc. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by HD Associates, Inc 16 * 4. Neither the name of the author nor the names of any co-contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY HD ASSOCIATES AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL HD ASSOCIATES OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * $FreeBSD: src/sys/posix4/posix4.h,v 1.6 1999/12/27 10:22:09 bde Exp $ 33 */ 34 35 #ifndef _P1003_1B_P1003_1B_H_ 36 #define _P1003_1B_P1003_1B_H_ 37 38 #ifndef _KERNEL 39 40 #error "This file should not be included by userland programs." 41 42 #else 43 44 #include "opt_posix.h" 45 46 #include <sys/param.h> 47 #include <sys/sched.h> 48 49 #ifdef MALLOC_DECLARE 50 MALLOC_DECLARE(M_P31B); 51 #endif 52 53 struct proc; 54 struct lwp; 55 56 void p31b_setcfg (int, int); 57 58 #ifdef _KPOSIX_PRIORITY_SCHEDULING 59 60 /* 61 * KSCHED_OP_RW is a vector of read/write flags for each entry indexed 62 * by the enum ksched_op. 63 * 64 * 1 means you need write access, 0 means read is sufficient. 65 */ 66 67 enum ksched_op { 68 69 #define KSCHED_OP_RW { 1, 0, 1, 0, 0, 0, 0, 0 } 70 71 SCHED_SETPARAM, 72 SCHED_GETPARAM, 73 SCHED_SETSCHEDULER, 74 SCHED_GETSCHEDULER, 75 SCHED_YIELD, 76 SCHED_GET_PRIORITY_MAX, 77 SCHED_GET_PRIORITY_MIN, 78 SCHED_RR_GET_INTERVAL, 79 SCHED_OP_MAX 80 }; 81 82 struct ksched; 83 84 int ksched_attach(struct ksched **); 85 int ksched_detach(struct ksched *); 86 87 int ksched_setparam(register_t *, struct ksched *, 88 struct lwp *, const struct sched_param *); 89 int ksched_getparam(register_t *, struct ksched *, 90 struct lwp *, struct sched_param *); 91 92 int ksched_setscheduler(register_t *, struct ksched *, 93 struct lwp *, int, const struct sched_param *); 94 int ksched_getscheduler(register_t *, struct ksched *, struct lwp *); 95 96 int ksched_yield(register_t *, struct ksched *); 97 98 int ksched_get_priority_max(register_t *, struct ksched *, int); 99 int ksched_get_priority_min(register_t *, struct ksched *, int); 100 101 int ksched_rr_get_interval(register_t *, struct ksched *, 102 struct lwp *, struct timespec *); 103 104 #endif /* _KPOSIX_PRIORITY_SCHEDULING */ 105 106 #endif /* !_KERNEL */ 107 #endif /* !_P1003_1B_P1003_1B_H_ */ 108