include/sys/rt.h

   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 2004 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  28 /*        All Rights Reserved   */
  29
  30
  31 #ifndef _SYS_RT_H
  32 #define _SYS_RT_H
  33
  34 #pragma ident   "%Z%%M% %I%     %E% SMI"        /* SVr4.0 1.4 */
  35
  36 #include <sys/types.h>
  37 #include <sys/thread.h>
  38
  39 #ifdef  __cplusplus
  40 extern "C" {
  41 #endif
  42
  43 /*
  44  * Real-time dispatcher parameter table entry
  45  */
  46 typedef struct  rtdpent {
  47         pri_t   rt_globpri;     /* global (class independent) priority */
  48         int     rt_quantum;     /* default quantum associated with this level */
  49 } rtdpent_t;
  50
  51 /*
  52  * Real-time class specific proc structure
  53  */
  54 typedef struct rtproc {
  55         int             rt_pquantum;    /* time quantum given to this proc */
  56         int             rt_timeleft;    /* time remaining in procs quantum */
  57         pri_t           rt_pri;         /* priority within rt class */
  58         ushort_t        rt_flags;       /* flags defined below */
  59         int             rt_tqsignal;    /* time quantum signal */
  60         kthread_id_t    rt_tp;          /* pointer to thread */
  61         struct rtproc   *rt_next;       /* link to next rtproc on list */
  62         struct rtproc   *rt_prev;       /* link to previous rtproc on list */
  63 } rtproc_t;
  64
  65
  66 /* Flags */
  67 #define RTBACKQ 0x0002          /* proc goes to back of disp q when preempted */
  68
  69
  70 #ifdef _KERNEL
  71 /*
  72  * Kernel version of real-time class specific parameter structure
  73  */
  74 typedef struct  rtkparms {
  75         pri_t   rt_pri;
  76         int     rt_tqntm;
  77         int     rt_tqsig;       /* real-time time quantum signal */
  78         uint_t  rt_cflags;      /* real-time control flags */
  79 } rtkparms_t;
  80 #endif  /* _KERNEL */
  81
  82 #ifdef  __cplusplus
  83 }
  84 #endif
  85
  86 #endif  /* _SYS_RT_H */