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 /* 24 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 25 * Use is subject to license terms. 26 */ 27 28 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 29 /* All Rights Reserved */ 30 31 32 #ifndef _SYS_TS_H 33 #define _SYS_TS_H 34 35 #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.5 */ 36 37 #include <sys/types.h> 38 #include <sys/thread.h> 39 40 #ifdef __cplusplus 41 extern "C" { 42 #endif 43 44 /* 45 * time-sharing dispatcher parameter table entry 46 */ 47 typedef struct tsdpent { 48 pri_t ts_globpri; /* global (class independent) priority */ 49 int ts_quantum; /* time quantum given to procs at this level */ 50 pri_t ts_tqexp; /* ts_umdpri assigned when proc at this level */ 51 /* exceeds its time quantum */ 52 pri_t ts_slpret; /* ts_umdpri assigned when proc at this level */ 53 /* returns to user mode after sleeping */ 54 short ts_maxwait; /* bumped to ts_lwait if more than ts_maxwait */ 55 /* secs elapse before receiving full quantum */ 56 short ts_lwait; /* ts_umdpri assigned if ts_dispwait exceeds */ 57 /* ts_maxwait */ 58 } tsdpent_t; 59 60 61 /* 62 * time-sharing class specific thread structure 63 */ 64 typedef struct tsproc { 65 int ts_timeleft; /* time remaining in procs quantum */ 66 uint_t ts_dispwait; /* wall clock seconds since start */ 67 /* of quantum (not reset upon preemption */ 68 pri_t ts_cpupri; /* system controlled component of ts_umdpri */ 69 pri_t ts_uprilim; /* user priority limit */ 70 pri_t ts_upri; /* user priority */ 71 pri_t ts_umdpri; /* user mode priority within ts class */ 72 pri_t ts_scpri; /* remembered priority, for schedctl */ 73 char ts_nice; /* nice value for compatibility */ 74 char ts_boost; /* interactive priority offset */ 75 uchar_t ts_flags; /* flags defined below */ 76 kthread_t *ts_tp; /* pointer to thread */ 77 struct tsproc *ts_next; /* link to next tsproc on list */ 78 struct tsproc *ts_prev; /* link to previous tsproc on list */ 79 } tsproc_t; 80 81 82 /* flags */ 83 #define TSKPRI 0x01 /* thread at kernel mode priority */ 84 #define TSBACKQ 0x02 /* thread goes to back of disp q when preempted */ 85 #define TSIA 0x04 /* thread is interactive */ 86 #define TSIASET 0x08 /* interactive thread is "on" */ 87 #define TSIANICED 0x10 /* interactive thread has been niced */ 88 #define TSRESTORE 0x20 /* thread was not preempted, due to schedctl */ 89 /* restore priority from ts_scpri */ 90 91 #ifdef __cplusplus 92 } 93 #endif 94 95 #endif /* _SYS_TS_H */ 96