mirror of git://gcc.gnu.org/git/gcc.git
797 lines
28 KiB
Java
797 lines
28 KiB
Java
/* Runtime.java -- access to the VM process
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Copyright (C) 1998, 2002, 2003, 2004, 2005 Free Software Foundation
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package java.lang;
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import gnu.classpath.SystemProperties;
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import gnu.classpath.VMStackWalker;
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.Set;
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import java.util.StringTokenizer;
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/**
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* Runtime represents the Virtual Machine.
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*
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* @author John Keiser
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* @author Eric Blake (ebb9@email.byu.edu)
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* @author Jeroen Frijters
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*/
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// No idea why this class isn't final, since you can't build a subclass!
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public class Runtime
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{
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/**
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* The library path, to search when loading libraries. We can also safely use
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* this as a lock for synchronization.
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*/
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private final String[] libpath;
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/**
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* The thread that started the exit sequence. Access to this field must
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* be thread-safe; lock on libpath to avoid deadlock with user code.
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* <code>runFinalization()</code> may want to look at this to see if ALL
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* finalizers should be run, because the virtual machine is about to halt.
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*/
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private Thread exitSequence;
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/**
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* All shutdown hooks. This is initialized lazily, and set to null once all
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* shutdown hooks have run. Access to this field must be thread-safe; lock
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* on libpath to avoid deadlock with user code.
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*/
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private Set shutdownHooks;
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/**
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* The one and only runtime instance.
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*/
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private static final Runtime current = new Runtime();
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/**
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* Not instantiable by a user, this should only create one instance.
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*/
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private Runtime()
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{
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if (current != null)
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throw new InternalError("Attempt to recreate Runtime");
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// If used by underlying VM this contains the directories where Classpath's own
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// native libraries are located.
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String bootPath = SystemProperties.getProperty("gnu.classpath.boot.library.path", "");
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// If properly set by the user this contains the directories where the application's
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// native libraries are located. On operating systems where a LD_LIBRARY_PATH environment
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// variable is available a VM should preset java.library.path with value of this
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// variable.
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String path = SystemProperties.getProperty("java.library.path", ".");
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String pathSep = SystemProperties.getProperty("path.separator", ":");
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String fileSep = SystemProperties.getProperty("file.separator", "/");
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StringTokenizer t1 = new StringTokenizer(bootPath, pathSep);
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StringTokenizer t2 = new StringTokenizer(path, pathSep);
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libpath = new String[t1.countTokens() + t2.countTokens()];
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int i = 0;
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while(t1.hasMoreTokens()) {
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String prefix = t1.nextToken();
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if (! prefix.endsWith(fileSep))
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prefix += fileSep;
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libpath[i] = prefix;
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i++;
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}
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while(t2.hasMoreTokens()) {
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String prefix = t2.nextToken();
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if (! prefix.endsWith(fileSep))
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prefix += fileSep;
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libpath[i] = prefix;
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i++;
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}
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}
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/**
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* Get the current Runtime object for this JVM. This is necessary to access
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* the many instance methods of this class.
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*
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* @return the current Runtime object
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*/
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public static Runtime getRuntime()
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{
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return current;
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}
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/**
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* Exit the Java runtime. This method will either throw a SecurityException
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* or it will never return. The status code is returned to the system; often
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* a non-zero status code indicates an abnormal exit. Of course, there is a
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* security check, <code>checkExit(status)</code>.
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*
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* <p>First, all shutdown hooks are run, in unspecified order, and
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* concurrently. Next, if finalization on exit has been enabled, all pending
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* finalizers are run. Finally, the system calls <code>halt</code>.</p>
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*
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* <p>If this is run a second time after shutdown has already started, there
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* are two actions. If shutdown hooks are still executing, it blocks
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* indefinitely. Otherwise, if the status is nonzero it halts immediately;
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* if it is zero, it blocks indefinitely. This is typically called by
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* <code>System.exit</code>.</p>
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*
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* @param status the status to exit with
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* @throws SecurityException if permission is denied
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* @see #addShutdownHook(Thread)
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* @see #runFinalizersOnExit(boolean)
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* @see #runFinalization()
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* @see #halt(int)
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*/
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public void exit(int status)
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{
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SecurityManager sm = SecurityManager.current; // Be thread-safe!
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if (sm != null)
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sm.checkExit(status);
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if (runShutdownHooks())
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halt(status);
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// Someone else already called runShutdownHooks().
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// Make sure we are not/no longer in the shutdownHooks set.
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// And wait till the thread that is calling runShutdownHooks() finishes.
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synchronized (libpath)
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{
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if (shutdownHooks != null)
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{
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shutdownHooks.remove(Thread.currentThread());
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// Interrupt the exit sequence thread, in case it was waiting
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// inside a join on our thread.
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exitSequence.interrupt();
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// Shutdown hooks are still running, so we clear status to
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// make sure we don't halt.
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status = 0;
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}
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}
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// If exit() is called again after the shutdown hooks have run, but
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// while finalization for exit is going on and the status is non-zero
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// we halt immediately.
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if (status != 0)
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halt(status);
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while (true)
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try
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{
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exitSequence.join();
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}
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catch (InterruptedException e)
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{
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// Ignore, we've suspended indefinitely to let all shutdown
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// hooks complete, and to let any non-zero exits through, because
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// this is a duplicate call to exit(0).
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}
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}
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/**
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* On first invocation, run all the shutdown hooks and return true.
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* Any subsequent invocations will simply return false.
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* Note that it is package accessible so that VMRuntime can call it
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* when VM exit is not triggered by a call to Runtime.exit().
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*
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* @return was the current thread the first one to call this method?
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*/
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boolean runShutdownHooks()
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{
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boolean first = false;
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synchronized (libpath) // Synch on libpath, not this, to avoid deadlock.
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{
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if (exitSequence == null)
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{
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first = true;
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exitSequence = Thread.currentThread();
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if (shutdownHooks != null)
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{
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Iterator i = shutdownHooks.iterator();
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while (i.hasNext()) // Start all shutdown hooks.
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try
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{
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((Thread) i.next()).start();
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}
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catch (IllegalThreadStateException e)
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{
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i.remove();
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}
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}
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}
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}
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if (first)
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{
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if (shutdownHooks != null)
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{
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// Check progress of all shutdown hooks. As a hook completes,
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// remove it from the set. If a hook calls exit, it removes
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// itself from the set, then waits indefinitely on the
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// exitSequence thread. Once the set is empty, set it to null to
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// signal all finalizer threads that halt may be called.
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while (true)
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{
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Thread[] hooks;
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synchronized (libpath)
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{
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hooks = new Thread[shutdownHooks.size()];
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shutdownHooks.toArray(hooks);
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}
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if (hooks.length == 0)
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break;
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for (int i = 0; i < hooks.length; i++)
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{
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try
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{
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synchronized (libpath)
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{
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if (!shutdownHooks.contains(hooks[i]))
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continue;
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}
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hooks[i].join();
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synchronized (libpath)
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{
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shutdownHooks.remove(hooks[i]);
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}
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}
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catch (InterruptedException x)
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{
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// continue waiting on the next thread
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}
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}
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}
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synchronized (libpath)
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{
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shutdownHooks = null;
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}
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}
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// Run finalization on all finalizable objects (even if they are
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// still reachable).
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VMRuntime.runFinalizationForExit();
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}
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return first;
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}
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/**
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* Register a new shutdown hook. This is invoked when the program exits
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* normally (because all non-daemon threads ended, or because
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* <code>System.exit</code> was invoked), or when the user terminates
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* the virtual machine (such as by typing ^C, or logging off). There is
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* a security check to add hooks,
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* <code>RuntimePermission("shutdownHooks")</code>.
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*
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* <p>The hook must be an initialized, but unstarted Thread. The threads
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* are run concurrently, and started in an arbitrary order; and user
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* threads or daemons may still be running. Once shutdown hooks have
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* started, they must all complete, or else you must use <code>halt</code>,
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* to actually finish the shutdown sequence. Attempts to modify hooks
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* after shutdown has started result in IllegalStateExceptions.</p>
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*
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* <p>It is imperative that you code shutdown hooks defensively, as you
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* do not want to deadlock, and have no idea what other hooks will be
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* running concurrently. It is also a good idea to finish quickly, as the
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* virtual machine really wants to shut down!</p>
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*
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* <p>There are no guarantees that such hooks will run, as there are ways
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* to forcibly kill a process. But in such a drastic case, shutdown hooks
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* would do little for you in the first place.</p>
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*
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* @param hook an initialized, unstarted Thread
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* @throws IllegalArgumentException if the hook is already registered or run
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* @throws IllegalStateException if the virtual machine is already in
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* the shutdown sequence
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* @throws SecurityException if permission is denied
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* @since 1.3
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* @see #removeShutdownHook(Thread)
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* @see #exit(int)
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* @see #halt(int)
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*/
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public void addShutdownHook(Thread hook)
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{
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SecurityManager sm = SecurityManager.current; // Be thread-safe!
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if (sm != null)
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sm.checkPermission(new RuntimePermission("shutdownHooks"));
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if (hook.isAlive() || hook.getThreadGroup() == null)
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throw new IllegalArgumentException("The hook thread " + hook + " must not have been already run or started");
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synchronized (libpath)
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{
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if (exitSequence != null)
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throw new IllegalStateException("The Virtual Machine is exiting. It is not possible anymore to add any hooks");
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if (shutdownHooks == null)
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{
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VMRuntime.enableShutdownHooks();
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shutdownHooks = new HashSet(); // Lazy initialization.
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}
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if (! shutdownHooks.add(hook))
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throw new IllegalArgumentException(hook.toString() + " had already been inserted");
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}
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}
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/**
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* De-register a shutdown hook. As when you registered it, there is a
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* security check to remove hooks,
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* <code>RuntimePermission("shutdownHooks")</code>.
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*
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* @param hook the hook to remove
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* @return true if the hook was successfully removed, false if it was not
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* registered in the first place
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* @throws IllegalStateException if the virtual machine is already in
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* the shutdown sequence
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* @throws SecurityException if permission is denied
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* @since 1.3
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* @see #addShutdownHook(Thread)
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* @see #exit(int)
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* @see #halt(int)
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*/
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public boolean removeShutdownHook(Thread hook)
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{
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SecurityManager sm = SecurityManager.current; // Be thread-safe!
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if (sm != null)
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sm.checkPermission(new RuntimePermission("shutdownHooks"));
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synchronized (libpath)
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{
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if (exitSequence != null)
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throw new IllegalStateException();
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if (shutdownHooks != null)
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return shutdownHooks.remove(hook);
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}
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return false;
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}
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/**
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* Forcibly terminate the virtual machine. This call never returns. It is
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* much more severe than <code>exit</code>, as it bypasses all shutdown
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* hooks and initializers. Use caution in calling this! Of course, there is
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* a security check, <code>checkExit(status)</code>.
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*
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* @param status the status to exit with
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* @throws SecurityException if permission is denied
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* @since 1.3
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* @see #exit(int)
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* @see #addShutdownHook(Thread)
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*/
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public void halt(int status)
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{
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SecurityManager sm = SecurityManager.current; // Be thread-safe!
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if (sm != null)
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sm.checkExit(status);
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VMRuntime.exit(status);
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}
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/**
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* Tell the VM to run the finalize() method on every single Object before
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* it exits. Note that the JVM may still exit abnormally and not perform
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* this, so you still don't have a guarantee. And besides that, this is
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* inherently unsafe in multi-threaded code, as it may result in deadlock
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* as multiple threads compete to manipulate objects. This value defaults to
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* <code>false</code>. There is a security check, <code>checkExit(0)</code>.
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*
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* @param finalizeOnExit whether to finalize all Objects on exit
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* @throws SecurityException if permission is denied
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* @see #exit(int)
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* @see #gc()
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* @since 1.1
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* @deprecated never rely on finalizers to do a clean, thread-safe,
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* mop-up from your code
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*/
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public static void runFinalizersOnExit(boolean finalizeOnExit)
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{
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SecurityManager sm = SecurityManager.current; // Be thread-safe!
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if (sm != null)
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sm.checkExit(0);
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VMRuntime.runFinalizersOnExit(finalizeOnExit);
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}
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/**
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* Create a new subprocess with the specified command line. Calls
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* <code>exec(cmdline, null, null)</code>. A security check is performed,
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* <code>checkExec</code>.
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*
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* @param cmdline the command to call
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* @return the Process object
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* @throws SecurityException if permission is denied
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* @throws IOException if an I/O error occurs
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* @throws NullPointerException if cmdline is null
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* @throws IndexOutOfBoundsException if cmdline is ""
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*/
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public Process exec(String cmdline) throws IOException
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{
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return exec(cmdline, null, null);
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}
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/**
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* Create a new subprocess with the specified command line and environment.
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* If the environment is null, the process inherits the environment of
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* this process. Calls <code>exec(cmdline, env, null)</code>. A security
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* check is performed, <code>checkExec</code>.
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*
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* @param cmdline the command to call
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* @param env the environment to use, in the format name=value
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* @return the Process object
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* @throws SecurityException if permission is denied
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* @throws IOException if an I/O error occurs
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* @throws NullPointerException if cmdline is null, or env has null entries
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* @throws IndexOutOfBoundsException if cmdline is ""
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*/
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public Process exec(String cmdline, String[] env) throws IOException
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{
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return exec(cmdline, env, null);
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}
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/**
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* Create a new subprocess with the specified command line, environment, and
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* working directory. If the environment is null, the process inherits the
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* environment of this process. If the directory is null, the process uses
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* the current working directory. This splits cmdline into an array, using
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* the default StringTokenizer, then calls
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* <code>exec(cmdArray, env, dir)</code>. A security check is performed,
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* <code>checkExec</code>.
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*
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* @param cmdline the command to call
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* @param env the environment to use, in the format name=value
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* @param dir the working directory to use
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* @return the Process object
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* @throws SecurityException if permission is denied
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* @throws IOException if an I/O error occurs
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* @throws NullPointerException if cmdline is null, or env has null entries
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* @throws IndexOutOfBoundsException if cmdline is ""
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* @since 1.3
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*/
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public Process exec(String cmdline, String[] env, File dir)
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throws IOException
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{
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StringTokenizer t = new StringTokenizer(cmdline);
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String[] cmd = new String[t.countTokens()];
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for (int i = 0; i < cmd.length; i++)
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cmd[i] = t.nextToken();
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return exec(cmd, env, dir);
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}
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/**
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* Create a new subprocess with the specified command line, already
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* tokenized. Calls <code>exec(cmd, null, null)</code>. A security check
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* is performed, <code>checkExec</code>.
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*
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* @param cmd the command to call
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* @return the Process object
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* @throws SecurityException if permission is denied
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* @throws IOException if an I/O error occurs
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* @throws NullPointerException if cmd is null, or has null entries
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* @throws IndexOutOfBoundsException if cmd is length 0
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*/
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public Process exec(String[] cmd) throws IOException
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{
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return exec(cmd, null, null);
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}
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/**
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* Create a new subprocess with the specified command line, already
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* tokenized, and specified environment. If the environment is null, the
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* process inherits the environment of this process. Calls
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* <code>exec(cmd, env, null)</code>. A security check is performed,
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* <code>checkExec</code>.
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*
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* @param cmd the command to call
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* @param env the environment to use, in the format name=value
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* @return the Process object
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* @throws SecurityException if permission is denied
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* @throws IOException if an I/O error occurs
|
|
* @throws NullPointerException if cmd is null, or cmd or env has null
|
|
* entries
|
|
* @throws IndexOutOfBoundsException if cmd is length 0
|
|
*/
|
|
public Process exec(String[] cmd, String[] env) throws IOException
|
|
{
|
|
return exec(cmd, env, null);
|
|
}
|
|
|
|
/**
|
|
* Create a new subprocess with the specified command line, already
|
|
* tokenized, and the specified environment and working directory. If the
|
|
* environment is null, the process inherits the environment of this
|
|
* process. If the directory is null, the process uses the current working
|
|
* directory. A security check is performed, <code>checkExec</code>.
|
|
*
|
|
* @param cmd the command to call
|
|
* @param env the environment to use, in the format name=value
|
|
* @param dir the working directory to use
|
|
* @return the Process object
|
|
* @throws SecurityException if permission is denied
|
|
* @throws IOException if an I/O error occurs
|
|
* @throws NullPointerException if cmd is null, or cmd or env has null
|
|
* entries
|
|
* @throws IndexOutOfBoundsException if cmd is length 0
|
|
* @since 1.3
|
|
*/
|
|
public Process exec(String[] cmd, String[] env, File dir)
|
|
throws IOException
|
|
{
|
|
SecurityManager sm = SecurityManager.current; // Be thread-safe!
|
|
if (sm != null)
|
|
sm.checkExec(cmd[0]);
|
|
return VMRuntime.exec(cmd, env, dir);
|
|
}
|
|
|
|
/**
|
|
* Returns the number of available processors currently available to the
|
|
* virtual machine. This number may change over time; so a multi-processor
|
|
* program want to poll this to determine maximal resource usage.
|
|
*
|
|
* @return the number of processors available, at least 1
|
|
*/
|
|
public int availableProcessors()
|
|
{
|
|
return VMRuntime.availableProcessors();
|
|
}
|
|
|
|
/**
|
|
* Find out how much memory is still free for allocating Objects on the heap.
|
|
*
|
|
* @return the number of bytes of free memory for more Objects
|
|
*/
|
|
public long freeMemory()
|
|
{
|
|
return VMRuntime.freeMemory();
|
|
}
|
|
|
|
/**
|
|
* Find out how much memory total is available on the heap for allocating
|
|
* Objects.
|
|
*
|
|
* @return the total number of bytes of memory for Objects
|
|
*/
|
|
public long totalMemory()
|
|
{
|
|
return VMRuntime.totalMemory();
|
|
}
|
|
|
|
/**
|
|
* Returns the maximum amount of memory the virtual machine can attempt to
|
|
* use. This may be <code>Long.MAX_VALUE</code> if there is no inherent
|
|
* limit (or if you really do have a 8 exabyte memory!).
|
|
*
|
|
* @return the maximum number of bytes the virtual machine will attempt
|
|
* to allocate
|
|
*/
|
|
public long maxMemory()
|
|
{
|
|
return VMRuntime.maxMemory();
|
|
}
|
|
|
|
/**
|
|
* Run the garbage collector. This method is more of a suggestion than
|
|
* anything. All this method guarantees is that the garbage collector will
|
|
* have "done its best" by the time it returns. Notice that garbage
|
|
* collection takes place even without calling this method.
|
|
*/
|
|
public void gc()
|
|
{
|
|
VMRuntime.gc();
|
|
}
|
|
|
|
/**
|
|
* Run finalization on all Objects that are waiting to be finalized. Again,
|
|
* a suggestion, though a stronger one than {@link #gc()}. This calls the
|
|
* <code>finalize</code> method of all objects waiting to be collected.
|
|
*
|
|
* @see #finalize()
|
|
*/
|
|
public void runFinalization()
|
|
{
|
|
VMRuntime.runFinalization();
|
|
}
|
|
|
|
/**
|
|
* Tell the VM to trace every bytecode instruction that executes (print out
|
|
* a trace of it). No guarantees are made as to where it will be printed,
|
|
* and the VM is allowed to ignore this request.
|
|
*
|
|
* @param on whether to turn instruction tracing on
|
|
*/
|
|
public void traceInstructions(boolean on)
|
|
{
|
|
VMRuntime.traceInstructions(on);
|
|
}
|
|
|
|
/**
|
|
* Tell the VM to trace every method call that executes (print out a trace
|
|
* of it). No guarantees are made as to where it will be printed, and the
|
|
* VM is allowed to ignore this request.
|
|
*
|
|
* @param on whether to turn method tracing on
|
|
*/
|
|
public void traceMethodCalls(boolean on)
|
|
{
|
|
VMRuntime.traceMethodCalls(on);
|
|
}
|
|
|
|
/**
|
|
* Load a native library using the system-dependent filename. This is similar
|
|
* to loadLibrary, except the only name mangling done is inserting "_g"
|
|
* before the final ".so" if the VM was invoked by the name "java_g". There
|
|
* may be a security check, of <code>checkLink</code>.
|
|
*
|
|
* <p>
|
|
* The library is loaded using the class loader associated with the
|
|
* class associated with the invoking method.
|
|
*
|
|
* @param filename the file to load
|
|
* @throws SecurityException if permission is denied
|
|
* @throws UnsatisfiedLinkError if the library is not found
|
|
*/
|
|
public void load(String filename)
|
|
{
|
|
load(filename, VMStackWalker.getCallingClassLoader());
|
|
}
|
|
|
|
/**
|
|
* Same as <code>load(String)</code> but using the given loader.
|
|
*
|
|
* @param filename the file to load
|
|
* @param loader class loader, or <code>null</code> for the boot loader
|
|
* @throws SecurityException if permission is denied
|
|
* @throws UnsatisfiedLinkError if the library is not found
|
|
*/
|
|
void load(String filename, ClassLoader loader)
|
|
{
|
|
SecurityManager sm = SecurityManager.current; // Be thread-safe!
|
|
if (sm != null)
|
|
sm.checkLink(filename);
|
|
if (loadLib(filename, loader) == 0)
|
|
throw new UnsatisfiedLinkError("Could not load library " + filename);
|
|
}
|
|
|
|
/**
|
|
* Do a security check on the filename and then load the native library.
|
|
*
|
|
* @param filename the file to load
|
|
* @param loader class loader, or <code>null</code> for the boot loader
|
|
* @return 0 on failure, nonzero on success
|
|
* @throws SecurityException if file read permission is denied
|
|
*/
|
|
private static int loadLib(String filename, ClassLoader loader)
|
|
{
|
|
SecurityManager sm = SecurityManager.current; // Be thread-safe!
|
|
if (sm != null)
|
|
sm.checkRead(filename);
|
|
return VMRuntime.nativeLoad(filename, loader);
|
|
}
|
|
|
|
/**
|
|
* Load a native library using a system-independent "short name" for the
|
|
* library. It will be transformed to a correct filename in a
|
|
* system-dependent manner (for example, in Windows, "mylib" will be turned
|
|
* into "mylib.dll"). This is done as follows: if the context that called
|
|
* load has a ClassLoader cl, then <code>cl.findLibrary(libpath)</code> is
|
|
* used to convert the name. If that result was null, or there was no class
|
|
* loader, this searches each directory of the system property
|
|
* <code>java.library.path</code> for a file named
|
|
* <code>System.mapLibraryName(libname)</code>. There may be a security
|
|
* check, of <code>checkLink</code>.
|
|
*
|
|
* <p>Note: Besides <code>java.library.path</code> a VM may chose to search
|
|
* for native libraries in a path that is specified by the
|
|
* <code>gnu.classpath.boot.library.path</code> system property. However
|
|
* this is for internal usage or development of GNU Classpath only.
|
|
* <b>A Java application must not load a non-system library by changing
|
|
* this property otherwise it will break compatibility.</b></p>
|
|
*
|
|
* <p>
|
|
* The library is loaded using the class loader associated with the
|
|
* class associated with the invoking method.
|
|
*
|
|
* @param libname the library to load
|
|
*
|
|
* @throws SecurityException if permission is denied
|
|
* @throws UnsatisfiedLinkError if the library is not found
|
|
*
|
|
* @see System#mapLibraryName(String)
|
|
* @see ClassLoader#findLibrary(String)
|
|
*/
|
|
public void loadLibrary(String libname)
|
|
{
|
|
loadLibrary(libname, VMStackWalker.getCallingClassLoader());
|
|
}
|
|
|
|
/**
|
|
* Same as <code>loadLibrary(String)</code> but using the given loader.
|
|
*
|
|
* @param libname the library to load
|
|
* @param loader class loader, or <code>null</code> for the boot loader
|
|
* @throws SecurityException if permission is denied
|
|
* @throws UnsatisfiedLinkError if the library is not found
|
|
*/
|
|
void loadLibrary(String libname, ClassLoader loader)
|
|
{
|
|
SecurityManager sm = SecurityManager.current; // Be thread-safe!
|
|
if (sm != null)
|
|
sm.checkLink(libname);
|
|
String filename;
|
|
if (loader != null && (filename = loader.findLibrary(libname)) != null)
|
|
{
|
|
if (loadLib(filename, loader) != 0)
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
filename = VMRuntime.mapLibraryName(libname);
|
|
for (int i = 0; i < libpath.length; i++)
|
|
if (loadLib(libpath[i] + filename, loader) != 0)
|
|
return;
|
|
}
|
|
throw new UnsatisfiedLinkError("Native library `" + libname
|
|
+ "' not found (as file `" + filename + "') in gnu.classpath.boot.library.path and java.library.path");
|
|
}
|
|
|
|
/**
|
|
* Return a localized version of this InputStream, meaning all characters
|
|
* are localized before they come out the other end.
|
|
*
|
|
* @param in the stream to localize
|
|
* @return the localized stream
|
|
* @deprecated <code>InputStreamReader</code> is the preferred way to read
|
|
* local encodings
|
|
* @XXX This implementation does not localize, yet.
|
|
*/
|
|
public InputStream getLocalizedInputStream(InputStream in)
|
|
{
|
|
return in;
|
|
}
|
|
|
|
/**
|
|
* Return a localized version of this OutputStream, meaning all characters
|
|
* are localized before they are sent to the other end.
|
|
*
|
|
* @param out the stream to localize
|
|
* @return the localized stream
|
|
* @deprecated <code>OutputStreamWriter</code> is the preferred way to write
|
|
* local encodings
|
|
* @XXX This implementation does not localize, yet.
|
|
*/
|
|
public OutputStream getLocalizedOutputStream(OutputStream out)
|
|
{
|
|
return out;
|
|
}
|
|
} // class Runtime
|