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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_PRIOCNTL_H
#define _SYS_PRIOCNTL_H
#pragma ident "%Z%%M% %I% %E% SMI" /* from SVR4 1.6 */
#include <sys/types.h>
#include <sys/procset.h>
#ifdef __cplusplus
extern "C" {
#endif
#define PC_VERSION 1 /* First version of priocntl */
#ifdef __STDC__
extern long priocntl(idtype_t, id_t, int, ...);
extern long priocntlset(procset_t *, int, ...);
#else
extern long priocntl(), priocntlset();
#endif /* __STDC__ */
/*
* The following are the possible values of the command
* argument for the priocntl system call.
*/
#define PC_GETCID 0 /* Get class ID */
#define PC_GETCLINFO 1 /* Get info about a configured class */
#define PC_SETPARMS 2 /* Set scheduling parameters */
#define PC_GETPARMS 3 /* Get scheduling parameters */
#define PC_ADMIN 4 /* Scheduler administration (used by */
/* dispadmin(1M), not for general use) */
#define PC_GETPRIRANGE 5 /* Get global priority range for a class */
/* posix.4 scheduling, not for general use */
#define PC_DONICE 6 /* Set or get nice value */
#define PC_SETXPARMS 7 /* Set extended scheduling parameters */
#define PC_GETXPARMS 8 /* Get extended scheduling parameters */
#define PC_SETDFLCL 9 /* Set default class, not for general use */
#define PC_GETDFLCL 10 /* Get default class, not for general use */
#define PC_CLNULL -1
#define PC_CLNMSZ 16
#define PC_CLINFOSZ (32 / sizeof (int))
#define PC_CLPARMSZ (32 / sizeof (int))
#define PC_GETNICE 0
#define PC_SETNICE 1
typedef struct pcinfo {
id_t pc_cid; /* class id */
char pc_clname[PC_CLNMSZ]; /* class name */
int pc_clinfo[PC_CLINFOSZ]; /* class information */
} pcinfo_t;
typedef struct pcparms {
id_t pc_cid; /* process class */
int pc_clparms[PC_CLPARMSZ]; /* class specific parameters */
} pcparms_t;
typedef struct pcnice {
int pc_val; /* nice value */
int pc_op; /* type of operation, set or get */
} pcnice_t;
/*
* The following is used by the priocntl(2) varargs interface (command
* codes: PC_SETXPARMS and PC_GETXPARMS).
*/
#define PC_VAPARMCNT 8 /* maximal number of (key, value) pairs */
#define PC_KY_NULL 0 /* terminates the (key, value) pair chain */
#define PC_KY_CLNAME 1 /* get the class name of a process or LWP. */
typedef struct pc_vaparm {
int pc_key; /* describing key */
u_longlong_t pc_parm; /* associated parameter */
} pc_vaparm_t;
typedef struct pc_vaparms {
uint_t pc_vaparmscnt; /* # of (key, value) pairs */
pc_vaparm_t pc_parms[PC_VAPARMCNT]; /* parameter buffer */
} pc_vaparms_t;
#if defined(_SYSCALL32) && \
_LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4
/*
* These structures are needed by the 64-bit kernel on certain architectures
* to translate pc_vaparms_t/pc_vaparm_t data structures from 32-bit userland.
*/
#pragma pack(4)
typedef struct {
int32_t pc_key; /* describing key */
uint64_t pc_parm; /* associated parameter */
} pc_vaparm32_t;
#pragma pack()
typedef struct {
uint32_t pc_vaparmscnt; /* # of (key, value) pairs */
pc_vaparm32_t pc_parms[PC_VAPARMCNT]; /* parameter buffer */
} pc_vaparms32_t;
#endif /* _SYSCALL32 && ... */
/*
* The following is used by libc for posix.4
* scheduler interfaces and is not for general use.
*/
typedef struct pcpri {
id_t pc_cid; /* process class */
pri_t pc_clpmax; /* class global priority max */
pri_t pc_clpmin; /* class global priority min */
} pcpri_t;
/*
* The following is used by the dispadmin(1M) command for
* scheduler administration and is not for general use.
*/
#ifdef _SYSCALL32
/* Data structure for ILP32 clients */
typedef struct pcadmin32 {
id32_t pc_cid;
caddr32_t pc_cladmin;
} pcadmin32_t;
#endif /* _SYSCALL32 */
typedef struct pcadmin {
id_t pc_cid;
caddr_t pc_cladmin;
} pcadmin_t;
#ifdef __cplusplus
}
#endif
#endif /* _SYS_PRIOCNTL_H */
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