var.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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
* 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 1997 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#ifndef _SYS_VAR_H
#define _SYS_VAR_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
/*
* System Configuration Information
*/
struct var {
int v_buf; /* Nbr of I/O buffers. */
int v_call; /* Nbr of callout (timeout) entries. */
int v_proc; /* Max processes system wide */
int v_maxupttl; /* Max user processes system wide */
int v_nglobpris; /* Nbr of global sched prios configured */
int v_maxsyspri; /* Max global pri used by sys class. */
int v_clist; /* Nbr of clists allocated. */
int v_maxup; /* Max number of processes per user. */
int v_hbuf; /* Nbr of hash buffers to allocate. */
int v_hmask; /* Hash mask for buffers. */
int v_pbuf; /* Nbr of physical I/O buffers. */
int v_sptmap; /* Size of system virtual space */
/* allocation map. */
int v_maxpmem; /* The maximum physical memory to use. */
/* If v_maxpmem == 0, then use all */
/* available physical memory. */
/* Otherwise, value is amount of mem to */
/* use specified in pages. */
int v_autoup; /* The age a delayed-write buffer must */
/* be in seconds before bdflush will */
/* write it out. */
int v_bufhwm; /* high-water-mark of buffer cache */
/* memory usage, in units of K Bytes */
};
extern struct var v;
#ifdef __cplusplus
}
#endif
#endif /* _SYS_VAR_H */