sys/sys/posix4.h

   1 #ifndef _P1003_1B_P1003_1B_H_
   2 #define _P1003_1B_P1003_1B_H_
   3 /*-
   4  * Copyright (c) 1996, 1997, 1998
   5  *      HD Associates, Inc.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. All advertising materials mentioning features or use of this software
  16  *    must display the following acknowledgement:
  17  *      This product includes software developed by HD Associates, Inc
  18  * 4. Neither the name of the author nor the names of any co-contributors
  19  *    may be used to endorse or promote products derived from this software
  20  *    without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY HD ASSOCIATES AND CONTRIBUTORS ``AS IS'' AND
  23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED.  IN NO EVENT SHALL HD ASSOCIATES OR CONTRIBUTORS BE LIABLE
  26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  *
  34  * $FreeBSD: src/sys/posix4/posix4.h,v 1.6 1999/12/27 10:22:09 bde Exp $
  35  * $DragonFly: src/sys/sys/posix4.h,v 1.8 2007/06/26 19:31:10 dillon Exp $
  36  */
  37
  38 #include "opt_posix.h"
  39
  40 #include <sys/param.h>
  41 #include <sys/malloc.h>
  42 #include <sys/sched.h>
  43
  44 MALLOC_DECLARE(M_P31B);
  45
  46 #define p31b_malloc(SIZE) kmalloc((SIZE), M_P31B, M_WAITOK)
  47 #define p31b_free(P) kfree((P), M_P31B)
  48
  49 struct proc;
  50 struct lwp;
  51
  52 void p31b_setcfg (int, int);
  53
  54 #ifdef _KPOSIX_PRIORITY_SCHEDULING
  55
  56 /*
  57  * KSCHED_OP_RW is a vector of read/write flags for each entry indexed
  58  * by the enum ksched_op.
  59  *
  60  * 1 means you need write access, 0 means read is sufficient.
  61  */
  62
  63 enum ksched_op {
  64
  65 #define KSCHED_OP_RW { 1, 0, 1, 0, 0, 0, 0, 0 }
  66
  67         SCHED_SETPARAM,
  68         SCHED_GETPARAM,
  69         SCHED_SETSCHEDULER,
  70         SCHED_GETSCHEDULER,
  71         SCHED_YIELD,
  72         SCHED_GET_PRIORITY_MAX,
  73         SCHED_GET_PRIORITY_MIN,
  74         SCHED_RR_GET_INTERVAL,
  75         SCHED_OP_MAX
  76 };
  77
  78 struct ksched;
  79
  80 int ksched_attach(struct ksched **);
  81 int ksched_detach(struct ksched *);
  82
  83 int ksched_setparam(register_t *, struct ksched *,
  84         struct lwp *, const struct sched_param *);
  85 int ksched_getparam(register_t *, struct ksched *,
  86         struct lwp *, struct sched_param *);
  87
  88 int ksched_setscheduler(register_t *, struct ksched *,
  89         struct lwp *, int, const struct sched_param *);
  90 int ksched_getscheduler(register_t *, struct ksched *, struct lwp *);
  91
  92 int ksched_yield(register_t *, struct ksched *);
  93
  94 int ksched_get_priority_max(register_t *, struct ksched *, int);
  95 int ksched_get_priority_min(register_t *, struct ksched *, int);
  96
  97 int ksched_rr_get_interval(register_t *, struct ksched *,
  98         struct lwp *, struct timespec *);
  99
 100 #endif /* _KPOSIX_PRIORITY_SCHEDULING */
 101
 102 #endif /* _P1003_1B_P1003_1B_H_ */