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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 * Copyright 2019 Joyent, Inc. 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 #include <sys/types.h> 36 #include <sys/thread.h> 37 #include <sys/cpucaps.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 #ifdef _KERNEL 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 preempt) */ 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 pri_t ts_scpri; /* remembered priority, for schedctl */ 72 char ts_nice; /* nice value for compatibility */ 73 char ts_boost; /* interactive priority offset */ 74 uchar_t ts_flags; /* flags defined below */ 75 kthread_t *ts_tp; /* pointer to thread */ 76 struct tsproc *ts_next; /* link to next tsproc on list */ 77 struct tsproc *ts_prev; /* link to previous tsproc on list */ 78 caps_sc_t ts_caps; /* CPU caps specific data */ 79 } tsproc_t; 80 81 /* flags */ 82 #define TSBACKQ 0x02 /* thread goes to back of dispq if 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 #define TSRESTORE 0x20 /* thread was not preempted, due to schedctl */ 87 /* restore priority from ts_scpri */ 88 89 #endif /* _KERNEL */ 90 91 #ifdef __cplusplus 92 } 93 #endif 94 95 #endif /* _SYS_TS_H */ 96