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 #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.5 */ 36 37 #include <sys/types.h> 38 #include <sys/thread.h> 39 #include <sys/cpucaps.h> 40 41 #ifdef __cplusplus 42 extern "C" { 43 #endif 44 45 /* 46 * time-sharing dispatcher parameter table entry 47 */ 48 typedef struct tsdpent { 49 pri_t ts_globpri; /* global (class independent) priority */ 50 int ts_quantum; /* time quantum given to procs at this level */ 51 pri_t ts_tqexp; /* ts_umdpri assigned when proc at this level */ 52 /* exceeds its time quantum */ 53 pri_t ts_slpret; /* ts_umdpri assigned when proc at this level */ 54 /* returns to user mode after sleeping */ 55 short ts_maxwait; /* bumped to ts_lwait if more than ts_maxwait */ 56 /* secs elapse before receiving full quantum */ 57 short ts_lwait; /* ts_umdpri assigned if ts_dispwait exceeds */ 58 /* ts_maxwait */ 59 } tsdpent_t; 60 61 #ifdef _KERNEL 62 /* 63 * time-sharing class specific thread structure 64 */ 65 typedef struct tsproc { 66 int ts_timeleft; /* time remaining in procs quantum */ 67 uint_t ts_dispwait; /* wall clock seconds since start */ 68 /* of quantum (not reset upon preempt) */ 69 pri_t ts_cpupri; /* system controlled component of ts_umdpri */ 70 pri_t ts_uprilim; /* user priority limit */ 71 pri_t ts_upri; /* user priority */ 72 pri_t ts_umdpri; /* user mode priority within ts class */ 73 pri_t ts_scpri; /* remembered priority, for schedctl */ 74 char ts_nice; /* nice value for compatibility */ 75 char ts_boost; /* interactive priority offset */ 76 uchar_t ts_flags; /* flags defined below */ 77 kthread_t *ts_tp; /* pointer to thread */ 78 struct tsproc *ts_next; /* link to next tsproc on list */ 79 struct tsproc *ts_prev; /* link to previous tsproc on list */ 80 caps_sc_t ts_caps; /* CPU caps specific data */ 81 } tsproc_t; 82 83 /* flags */ 84 #define TSBACKQ 0x02 /* thread goes to back of dispq if 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 #endif /* _KERNEL */ 92 93 #ifdef __cplusplus 94 } 95 #endif 96 97 #endif /* _SYS_TS_H */ 98