ts.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* 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 (c) 1997-1998 by Sun Microsystems, Inc.
* All rights reserved.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#ifndef _SYS_TS_H
#define _SYS_TS_H
#pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.5 */
#include <sys/types.h>
#include <sys/thread.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;
/*
* 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 preemption */
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 */
char ts_nice; /* nice value for compatibility */
char ts_boost; /* interactive priority offset */
unsigned char 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 */
} tsproc_t;
/* flags */
#define TSKPRI 0x01 /* thread at kernel mode priority */
#define TSBACKQ 0x02 /* thread goes to back of disp q when preempted */
#define TSIA 0x04 /* thread is interactive */
#define TSIASET 0x08 /* interactive thread is "on" */
#define TSIANICED 0x10 /* interactive thread has been niced */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_TS_H */