usr/src/uts/common/sys/ts.h

root/usr/src/uts/common/sys/ts.h
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (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 2007 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 * Copyright 2019 Joyent, Inc.
 */

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


#ifndef _SYS_TS_H
#define _SYS_TS_H

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

#ifdef  __cplusplus
extern "C" {
#endif

/*
 * time-sharing dispatcher parameter table entry
 */
typedef struct tsdpent {
        pri_t   ts_globpri;     /* global (class independent) priority */
        int     ts_quantum;     /* time quantum given to procs at this level */
        pri_t   ts_tqexp;       /* ts_umdpri assigned when proc at this level */
                                /*   exceeds its time quantum */
        pri_t   ts_slpret;      /* ts_umdpri assigned when proc at this level */
                                /*  returns to user mode after sleeping */
        short   ts_maxwait;     /* bumped to ts_lwait if more than ts_maxwait */
                                /*  secs elapse before receiving full quantum */
        short   ts_lwait;       /* ts_umdpri assigned if ts_dispwait exceeds  */
                                /*  ts_maxwait */
} tsdpent_t;

#ifdef _KERNEL
/*
 * time-sharing class specific thread structure
 */
typedef struct tsproc {
        int     ts_timeleft;    /* time remaining in procs quantum      */
        uint_t  ts_dispwait;    /* wall clock seconds since start       */
                                /* of quantum (not reset upon preempt)  */
        pri_t   ts_cpupri;      /* system controlled component of ts_umdpri */
        pri_t   ts_uprilim;     /* user priority limit                  */
        pri_t   ts_upri;        /* user priority                        */
        pri_t   ts_umdpri;      /* user mode priority within ts class   */
        pri_t   ts_scpri;       /* remembered priority, for schedctl    */
        char    ts_nice;        /* nice value for compatibility         */
        char    ts_boost;       /* interactive priority offset          */
        uchar_t ts_flags;       /* flags defined below                  */
        kthread_t *ts_tp;       /* pointer to thread                    */
        struct tsproc *ts_next; /* link to next tsproc on list          */
        struct tsproc *ts_prev; /* link to previous tsproc on list      */
        caps_sc_t ts_caps;      /* CPU caps specific data               */
} tsproc_t;

/* flags */
#define TSBACKQ         0x02    /* thread goes to back of dispq if preempted */
#define TSIA            0x04    /* thread is interactive                */
#define TSIASET         0x08    /* interactive thread is "on"           */
#define TSIANICED       0x10    /* interactive thread has been niced    */
#define TSRESTORE       0x20    /* thread was not preempted, due to schedctl */
                                /* restore priority from ts_scpri       */

#endif /* _KERNEL */

#ifdef  __cplusplus
}
#endif

#endif  /* _SYS_TS_H */
Illumos
