usr/src/uts/common/sys/var.h

root/usr/src/uts/common/sys/var.h
/*
 * 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
 * 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 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

#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 */
Illumos
