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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 * 26 * ident "%Z%%M% %I% %E% SMI" 27 */ 28 package org.opensolaris.os.dtrace; 29 30 import java.io.File; 31 32 /** 33 * Common functionality for all {@code org.opensolaris.os} subpackages. 34 */ 35 class Utility 36 { 37 private static void loadLibrary(String paths[], String name, boolean debug)38 loadLibrary(String paths[], String name, boolean debug) 39 { 40 File file; 41 for (String p : paths) { 42 file = new File(p); 43 // Allows LD_LIBRARY_PATH to include relative paths 44 p = file.getAbsolutePath(); 45 try { 46 System.load(p + "/" + name); 47 if (debug) { 48 System.out.println("loaded " + name + " from " + p); 49 } 50 return; 51 } catch (UnsatisfiedLinkError e) { 52 } 53 } 54 throw (new UnsatisfiedLinkError("Unable to find " + name)); 55 } 56 57 /** 58 * Loads a library. 59 */ 60 public static void loadLibrary(String name, boolean debug)61 loadLibrary(String name, boolean debug) 62 { 63 String path = System.getProperty("java.library.path"); 64 path = path + ":/usr/lib/64"; /* Java bug 6254947 */ 65 String[] paths = path.split(":"); 66 67 if (debug) { 68 String root = System.getenv("ROOT"); 69 if (root != null && root.length() > 0) { 70 System.out.println("Prepending $ROOT to library path."); 71 String[] npaths = new String[paths.length * 2]; 72 for (int i = 0; i < paths.length; i++) { 73 npaths[i] = root + "/" + paths[i]; 74 npaths[i + paths.length] = paths[i]; 75 } 76 paths = npaths; 77 } 78 } 79 80 loadLibrary(paths, name, debug); 81 } 82 } 83