root/usr/src/uts/common/sys/rt.h
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/*        All Rights Reserved   */


#ifndef _SYS_RT_H
#define _SYS_RT_H

#include <sys/types.h>
#include <sys/thread.h>

#ifdef  __cplusplus
extern "C" {
#endif

/*
 * Real-time dispatcher parameter table entry
 */
typedef struct  rtdpent {
        pri_t   rt_globpri;     /* global (class independent) priority */
        int     rt_quantum;     /* default quantum associated with this level */
} rtdpent_t;

/*
 * Real-time class specific proc structure
 */
typedef struct rtproc {
        int             rt_pquantum;    /* time quantum given to this proc */
        int             rt_timeleft;    /* time remaining in procs quantum */
        pri_t           rt_pri;         /* priority within rt class */
        ushort_t        rt_flags;       /* flags defined below */
        int             rt_tqsignal;    /* time quantum signal */
        kthread_id_t    rt_tp;          /* pointer to thread */
        struct rtproc   *rt_next;       /* link to next rtproc on list */
        struct rtproc   *rt_prev;       /* link to previous rtproc on list */
} rtproc_t;


/* Flags */
#define RTBACKQ 0x0002          /* proc goes to back of disp q when preempted */


#ifdef _KERNEL
/*
 * Kernel version of real-time class specific parameter structure
 */
typedef struct  rtkparms {
        pri_t   rt_pri;
        int     rt_tqntm;
        int     rt_tqsig;       /* real-time time quantum signal */
        uint_t  rt_cflags;      /* real-time control flags */
} rtkparms_t;
#endif  /* _KERNEL */

#ifdef  __cplusplus
}
#endif

#endif  /* _SYS_RT_H */