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 (c) 1997-1998 by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28 /* All Rights Reserved */ 29 30 31 #ifndef _SYS_TS_H 32 #define _SYS_TS_H 33 34 #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.5 */ 35 36 #include <sys/types.h> 37 #include <sys/thread.h> 38 39 #ifdef __cplusplus 40 extern "C" { 41 #endif 42 43 /* 44 * time-sharing dispatcher parameter table entry 45 */ 46 typedef struct tsdpent { 47 pri_t ts_globpri; /* global (class independent) priority */ 48 int ts_quantum; /* time quantum given to procs at this level */ 49 pri_t ts_tqexp; /* ts_umdpri assigned when proc at this level */ 50 /* exceeds its time quantum */ 51 pri_t ts_slpret; /* ts_umdpri assigned when proc at this level */ 52 /* returns to user mode after sleeping */ 53 short ts_maxwait; /* bumped to ts_lwait if more than ts_maxwait */ 54 /* secs elapse before receiving full quantum */ 55 short ts_lwait; /* ts_umdpri assigned if ts_dispwait exceeds */ 56 /* ts_maxwait */ 57 } tsdpent_t; 58 59 60 /* 61 * time-sharing class specific thread structure 62 */ 63 typedef struct tsproc { 64 int ts_timeleft; /* time remaining in procs quantum */ 65 uint_t ts_dispwait; /* wall clock seconds since start */ 66 /* of quantum (not reset upon preemption */ 67 pri_t ts_cpupri; /* system controlled component of ts_umdpri */ 68 pri_t ts_uprilim; /* user priority limit */ 69 pri_t ts_upri; /* user priority */ 70 pri_t ts_umdpri; /* user mode priority within ts class */ 71 char ts_nice; /* nice value for compatibility */ 72 char ts_boost; /* interactive priority offset */ 73 unsigned char ts_flags; /* flags defined below */ 74 kthread_t *ts_tp; /* pointer to thread */ 75 struct tsproc *ts_next; /* link to next tsproc on list */ 76 struct tsproc *ts_prev; /* link to previous tsproc on list */ 77 } tsproc_t; 78 79 80 /* flags */ 81 #define TSKPRI 0x01 /* thread at kernel mode priority */ 82 #define TSBACKQ 0x02 /* thread goes to back of disp q when preempted */ 83 #define TSIA 0x04 /* thread is interactive */ 84 #define TSIASET 0x08 /* interactive thread is "on" */ 85 #define TSIANICED 0x10 /* interactive thread has been niced */ 86 87 #ifdef __cplusplus 88 } 89 #endif 90 91 #endif /* _SYS_TS_H */ 92