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/malloc.h> 48 #include <sys/sched.h> 49 50 MALLOC_DECLARE(M_P31B); 51 52 #define p31b_malloc(SIZE) kmalloc((SIZE), M_P31B, M_WAITOK) 53 #define p31b_free(P) kfree((P), M_P31B) 54 55 struct proc; 56 struct lwp; 57 58 void p31b_setcfg (int, int); 59 60 #ifdef _KPOSIX_PRIORITY_SCHEDULING 61 62 /* 63 * KSCHED_OP_RW is a vector of read/write flags for each entry indexed 64 * by the enum ksched_op. 65 * 66 * 1 means you need write access, 0 means read is sufficient. 67 */ 68 69 enum ksched_op { 70 71 #define KSCHED_OP_RW { 1, 0, 1, 0, 0, 0, 0, 0 } 72 73 SCHED_SETPARAM, 74 SCHED_GETPARAM, 75 SCHED_SETSCHEDULER, 76 SCHED_GETSCHEDULER, 77 SCHED_YIELD, 78 SCHED_GET_PRIORITY_MAX, 79 SCHED_GET_PRIORITY_MIN, 80 SCHED_RR_GET_INTERVAL, 81 SCHED_OP_MAX 82 }; 83 84 struct ksched; 85 86 int ksched_attach(struct ksched **); 87 int ksched_detach(struct ksched *); 88 89 int ksched_setparam(register_t *, struct ksched *, 90 struct lwp *, const struct sched_param *); 91 int ksched_getparam(register_t *, struct ksched *, 92 struct lwp *, struct sched_param *); 93 94 int ksched_setscheduler(register_t *, struct ksched *, 95 struct lwp *, int, const struct sched_param *); 96 int ksched_getscheduler(register_t *, struct ksched *, struct lwp *); 97 98 int ksched_yield(register_t *, struct ksched *); 99 100 int ksched_get_priority_max(register_t *, struct ksched *, int); 101 int ksched_get_priority_min(register_t *, struct ksched *, int); 102 103 int ksched_rr_get_interval(register_t *, struct ksched *, 104 struct lwp *, struct timespec *); 105 106 #endif /* _KPOSIX_PRIORITY_SCHEDULING */ 107 108 #endif /* !_KERNEL */ 109 #endif /* !_P1003_1B_P1003_1B_H_ */ 110