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/ioccom.h>
  42 #include <sys/malloc.h>
  43 #include <sys/sched.h>
  44
  45 MALLOC_DECLARE(M_P31B);
  46
  47 #define p31b_malloc(SIZE) kmalloc((SIZE), M_P31B, M_WAITOK)
  48 #define p31b_free(P) kfree((P), M_P31B)
  49
  50 struct proc;
  51 struct lwp;
  52
  53 int p31b_proc (struct proc *, pid_t, struct proc **);
  54
  55 void p31b_setcfg (int, int);
  56
  57 #ifdef _KPOSIX_PRIORITY_SCHEDULING
  58
  59 /*
  60  * KSCHED_OP_RW is a vector of read/write flags for each entry indexed
  61  * by the enum ksched_op.
  62  *
  63  * 1 means you need write access, 0 means read is sufficient.
  64  */
  65
  66 enum ksched_op {
  67
  68 #define KSCHED_OP_RW { 1, 0, 1, 0, 0, 0, 0, 0 }
  69
  70         SCHED_SETPARAM,
  71         SCHED_GETPARAM,
  72         SCHED_SETSCHEDULER,
  73         SCHED_GETSCHEDULER,
  74         SCHED_YIELD,
  75         SCHED_GET_PRIORITY_MAX,
  76         SCHED_GET_PRIORITY_MIN,
  77         SCHED_RR_GET_INTERVAL,
  78         SCHED_OP_MAX
  79 };
  80
  81 struct ksched;
  82
  83 int ksched_attach(struct ksched **);
  84 int ksched_detach(struct ksched *);
  85
  86 int ksched_setparam(register_t *, struct ksched *,
  87         struct lwp *, const struct sched_param *);
  88 int ksched_getparam(register_t *, struct ksched *,
  89         struct lwp *, struct sched_param *);
  90
  91 int ksched_setscheduler(register_t *, struct ksched *,
  92         struct lwp *, int, const struct sched_param *);
  93 int ksched_getscheduler(register_t *, struct ksched *, struct lwp *);
  94
  95 int ksched_yield(register_t *, struct ksched *);
  96
  97 int ksched_get_priority_max(register_t *, struct ksched *, int);
  98 int ksched_get_priority_min(register_t *, struct ksched *, int);
  99
 100 int ksched_rr_get_interval(register_t *, struct ksched *,
 101         struct lwp *, struct timespec *);
 102
 103 #endif /* _KPOSIX_PRIORITY_SCHEDULING */
 104
 105 #endif /* _P1003_1B_P1003_1B_H_ */