1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*7c478bd9Sstevel@tonic-gate * with the License. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 12*7c478bd9Sstevel@tonic-gate * and limitations under the License. 13*7c478bd9Sstevel@tonic-gate * 14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate /* 23*7c478bd9Sstevel@tonic-gate * Copyright 2003 Sun Microsystems, Inc. All rights reserved. 24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms. 25*7c478bd9Sstevel@tonic-gate * 26*7c478bd9Sstevel@tonic-gate * ident "%Z%%M% %I% %E% SMI" 27*7c478bd9Sstevel@tonic-gate */ 28*7c478bd9Sstevel@tonic-gate 29*7c478bd9Sstevel@tonic-gate package com.sun.solaris.service.kstat; 30*7c478bd9Sstevel@tonic-gate 31*7c478bd9Sstevel@tonic-gate import com.sun.solaris.service.pools.*; 32*7c478bd9Sstevel@tonic-gate 33*7c478bd9Sstevel@tonic-gate /** 34*7c478bd9Sstevel@tonic-gate * Wraps <code>libkstat(3lib)</code>. See 35*7c478bd9Sstevel@tonic-gate * <code>/usr/include/sys/kstat.h</code> for details. 36*7c478bd9Sstevel@tonic-gate */ 37*7c478bd9Sstevel@tonic-gate public final class Kstat { 38*7c478bd9Sstevel@tonic-gate /** 39*7c478bd9Sstevel@tonic-gate * Pointer to native <code>kstat_ctl_t</code>. 40*7c478bd9Sstevel@tonic-gate */ 41*7c478bd9Sstevel@tonic-gate private long kctl; 42*7c478bd9Sstevel@tonic-gate 43*7c478bd9Sstevel@tonic-gate /** 44*7c478bd9Sstevel@tonic-gate * Pointer to native <code>kstat_t</code>. 45*7c478bd9Sstevel@tonic-gate */ 46*7c478bd9Sstevel@tonic-gate private long ksp; 47*7c478bd9Sstevel@tonic-gate Kstat(long kctl, long ksp)48*7c478bd9Sstevel@tonic-gate Kstat(long kctl, long ksp) 49*7c478bd9Sstevel@tonic-gate { 50*7c478bd9Sstevel@tonic-gate this.kctl = kctl; 51*7c478bd9Sstevel@tonic-gate this.ksp = ksp; 52*7c478bd9Sstevel@tonic-gate } 53*7c478bd9Sstevel@tonic-gate 54*7c478bd9Sstevel@tonic-gate /** 55*7c478bd9Sstevel@tonic-gate * Returns the kstat's <code>ks_snaptime</code> field. 56*7c478bd9Sstevel@tonic-gate */ getSnapTime()57*7c478bd9Sstevel@tonic-gate public native HRTime getSnapTime(); 58*7c478bd9Sstevel@tonic-gate 59*7c478bd9Sstevel@tonic-gate /** 60*7c478bd9Sstevel@tonic-gate * Returns the kstat's <code>ks_crtime</code> field. 61*7c478bd9Sstevel@tonic-gate */ getCreationTime()62*7c478bd9Sstevel@tonic-gate public native HRTime getCreationTime(); 63*7c478bd9Sstevel@tonic-gate 64*7c478bd9Sstevel@tonic-gate /** 65*7c478bd9Sstevel@tonic-gate * Returns the named value -- the value of the named kstat, or 66*7c478bd9Sstevel@tonic-gate * field in a raw kstat, as applicable, and available. Returns 67*7c478bd9Sstevel@tonic-gate * <i>null</i> if no such named kstat or field is available. 68*7c478bd9Sstevel@tonic-gate * 69*7c478bd9Sstevel@tonic-gate * @throws KstatTypeNotSupportedException if the raw kstat is not 70*7c478bd9Sstevel@tonic-gate * understood. (Presenstly, none are.) 71*7c478bd9Sstevel@tonic-gate */ getValue(String name)72*7c478bd9Sstevel@tonic-gate public native Object getValue(String name) 73*7c478bd9Sstevel@tonic-gate throws KstatTypeNotSupportedException; 74*7c478bd9Sstevel@tonic-gate 75*7c478bd9Sstevel@tonic-gate /** 76*7c478bd9Sstevel@tonic-gate * Invokes <code>kstat_read(3kstat)</code> for tho underlying kstat. 77*7c478bd9Sstevel@tonic-gate * Throws KstatException if the native function returns an error. 78*7c478bd9Sstevel@tonic-gate */ read()79*7c478bd9Sstevel@tonic-gate public native void read() throws KstatReadException; 80*7c478bd9Sstevel@tonic-gate } 81