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 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 23 /* All Rights Reserved */ 24 25 26 /* 27 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 28 * Use is subject to license terms. 29 */ 30 31 #ifndef _SYS_PRIOCNTL_H 32 #define _SYS_PRIOCNTL_H 33 34 #pragma ident "%Z%%M% %I% %E% SMI" /* from SVR4 1.6 */ 35 36 #include <sys/types.h> 37 #include <sys/procset.h> 38 39 #ifdef __cplusplus 40 extern "C" { 41 #endif 42 43 #define PC_VERSION 1 /* First version of priocntl */ 44 45 #ifdef __STDC__ 46 extern long priocntl(idtype_t, id_t, int, ...); 47 extern long priocntlset(procset_t *, int, ...); 48 #else 49 extern long priocntl(), priocntlset(); 50 #endif /* __STDC__ */ 51 52 /* 53 * The following are the possible values of the command 54 * argument for the priocntl system call. 55 */ 56 57 #define PC_GETCID 0 /* Get class ID */ 58 #define PC_GETCLINFO 1 /* Get info about a configured class */ 59 #define PC_SETPARMS 2 /* Set scheduling parameters */ 60 #define PC_GETPARMS 3 /* Get scheduling parameters */ 61 #define PC_ADMIN 4 /* Scheduler administration (used by */ 62 /* dispadmin(1M), not for general use) */ 63 #define PC_GETPRIRANGE 5 /* Get global priority range for a class */ 64 /* posix.4 scheduling, not for general use */ 65 #define PC_DONICE 6 /* Set or get nice value */ 66 #define PC_SETXPARMS 7 /* Set extended scheduling parameters */ 67 #define PC_GETXPARMS 8 /* Get extended scheduling parameters */ 68 #define PC_SETDFLCL 9 /* Set default class, not for general use */ 69 70 #define PC_CLNULL -1 71 72 #define PC_CLNMSZ 16 73 #define PC_CLINFOSZ (32 / sizeof (int)) 74 #define PC_CLPARMSZ (32 / sizeof (int)) 75 76 #define PC_GETNICE 0 77 #define PC_SETNICE 1 78 79 typedef struct pcinfo { 80 id_t pc_cid; /* class id */ 81 char pc_clname[PC_CLNMSZ]; /* class name */ 82 int pc_clinfo[PC_CLINFOSZ]; /* class information */ 83 } pcinfo_t; 84 85 typedef struct pcparms { 86 id_t pc_cid; /* process class */ 87 int pc_clparms[PC_CLPARMSZ]; /* class specific parameters */ 88 } pcparms_t; 89 90 typedef struct pcnice { 91 int pc_val; /* nice value */ 92 int pc_op; /* type of operation, set or get */ 93 } pcnice_t; 94 95 /* 96 * The following is used by the priocntl(2) varargs interface (command 97 * codes: PC_SETXPARMS and PC_GETXPARMS). 98 */ 99 100 #define PC_VAPARMCNT 8 /* maximal number of (key, value) pairs */ 101 #define PC_KY_NULL 0 /* terminates the (key, value) pair chain */ 102 #define PC_KY_CLNAME 1 /* get the class name of a process or LWP. */ 103 104 typedef struct pc_vaparm { 105 int pc_key; /* describing key */ 106 u_longlong_t pc_parm; /* associated parameter */ 107 } pc_vaparm_t; 108 109 typedef struct pc_vaparms { 110 uint_t pc_vaparmscnt; /* # of (key, value) pairs */ 111 pc_vaparm_t pc_parms[PC_VAPARMCNT]; /* parameter buffer */ 112 } pc_vaparms_t; 113 114 #if defined(_SYSCALL32) && \ 115 _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 116 117 /* 118 * These structures are needed by the 64-bit kernel on certain architectures 119 * to translate pc_vaparms_t/pc_vaparm_t data structures from 32-bit userland. 120 */ 121 #pragma pack(4) 122 123 typedef struct { 124 int32_t pc_key; /* describing key */ 125 uint64_t pc_parm; /* associated parameter */ 126 } pc_vaparm32_t; 127 128 #pragma pack() 129 130 typedef struct { 131 uint32_t pc_vaparmscnt; /* # of (key, value) pairs */ 132 pc_vaparm32_t pc_parms[PC_VAPARMCNT]; /* parameter buffer */ 133 } pc_vaparms32_t; 134 135 #endif /* _SYSCALL32 && ... */ 136 137 /* 138 * The following is used by the library librt for 139 * posix.4 scheduler interfaces and is not for general use. 140 */ 141 142 typedef struct pcpri { 143 id_t pc_cid; /* process class */ 144 pri_t pc_clpmax; /* class global priority max */ 145 pri_t pc_clpmin; /* class global priority min */ 146 } pcpri_t; 147 148 /* 149 * The following is used by the dispadmin(1M) command for 150 * scheduler administration and is not for general use. 151 */ 152 153 #ifdef _SYSCALL32 154 /* Data structure for ILP32 clients */ 155 typedef struct pcadmin32 { 156 id32_t pc_cid; 157 caddr32_t pc_cladmin; 158 } pcadmin32_t; 159 #endif /* _SYSCALL32 */ 160 161 typedef struct pcadmin { 162 id_t pc_cid; 163 caddr_t pc_cladmin; 164 } pcadmin_t; 165 166 #ifdef __cplusplus 167 } 168 #endif 169 170 #endif /* _SYS_PRIOCNTL_H */ 171