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_IA_H 32 #define _SYS_IA_H 33 34 #include <sys/types.h> 35 #include <sys/thread.h> 36 37 #ifdef __cplusplus 38 extern "C" { 39 #endif 40 41 #define dcmn_err if (ia_debug) cmn_err 42 #define IA_OFF_QUANTUM 1 43 #define IA_OFF_PRIORITY 20 44 #define iaumdpri (iapp->ia_umdpri) 45 #define iamedumdpri (ia_maxumdpri >> 1) 46 47 /* 48 * interactive dispatcher parameter table entry 49 */ 50 typedef struct iadpent { 51 pri_t ia_globpri; /* global (class independent) priority */ 52 long ia_quantum; /* time quantum given to procs at this level */ 53 pri_t ia_tqexp; /* ia_umdpri assigned when proc at this level */ 54 /* exceeds its time quantum */ 55 pri_t ia_slpret; /* ia_umdpri assigned when proc at this level */ 56 /* returns to user mode after sleeping */ 57 short ia_maxwait; /* bumped to ia_lwait if more than ia_maxwait */ 58 /* secs elapse before receiving full quantum */ 59 short ia_lwait; /* ia_umdpri assigned if ia_dispwait exceeds */ 60 /* ia_maxwait */ 61 } iadpent_t; 62 63 64 /* 65 * time-sharing class specific thread structure 66 */ 67 typedef struct iaproc { 68 long ia_timeleft; /* time remaining in procs quantum */ 69 pri_t ia_cpupri; /* system controlled component of ia_umdpri */ 70 pri_t ia_uprilim; /* user priority limit */ 71 pri_t ia_upri; /* user priority */ 72 pri_t ia_umdpri; /* user mode priority within ia class */ 73 char ia_nice; /* nice value for compatibility */ 74 unsigned char ia_flags; /* flags defined below */ 75 short ia_dispwait; /* number of wall clock seconds since start */ 76 /* of quantum (not reset upon preemption */ 77 kthread_t *ia_tp; /* pointer to thread */ 78 int *ia_pstatp; /* pointer to p_stat */ 79 pri_t *ia_pprip; /* pointer to t_pri */ 80 uint_t *ia_pflagp; /* pointer to p_flag */ 81 struct iaproc *ia_next; /* link to next iaproc on list */ 82 struct iaproc *ia_prev; /* link to previous iaproc on list */ 83 int ia_mode; /* interactive on/off */ 84 } iaproc_t; 85 86 87 /* flags */ 88 #define IAKPRI 0x01 /* thread at kernel mode priority */ 89 #define IABACKQ 0x02 /* thread goes to back of disp q when preempted */ 90 #define IASLEPT 0x04 /* thread had long-term suspend - give new slice */ 91 92 93 #ifdef __cplusplus 94 } 95 #endif 96 97 #endif /* _SYS_IA_H */ 98