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verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
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1 files changed, 796 insertions, 0 deletions

diff --git a/libjava/classpath/java/lang/Runtime.java b/libjava/classpath/java/lang/Runtime.java
new file mode 100644
index 000000000..3134c2a47
--- /dev/null
+++ b/libjava/classpath/java/lang/Runtime.java
@@ -0,0 +1,796 @@
+/* Runtime.java -- access to the VM process
+   Copyright (C) 1998, 2002, 2003, 2004, 2005 Free Software Foundation
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.lang;
+
+import gnu.classpath.SystemProperties;
+import gnu.classpath.VMStackWalker;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.Set;
+import java.util.StringTokenizer;
+
+/**
+ * Runtime represents the Virtual Machine.
+ *
+ * @author John Keiser
+ * @author Eric Blake (ebb9@email.byu.edu)
+ * @author Jeroen Frijters
+ */
+// No idea why this class isn't final, since you can't build a subclass!
+public class Runtime
+{
+  /**
+   * The library path, to search when loading libraries. We can also safely use
+   * this as a lock for synchronization.
+   */
+  private final String[] libpath;
+
+  /**
+   * The thread that started the exit sequence. Access to this field must
+   * be thread-safe; lock on libpath to avoid deadlock with user code.
+   * <code>runFinalization()</code> may want to look at this to see if ALL
+   * finalizers should be run, because the virtual machine is about to halt.
+   */
+  private Thread exitSequence;
+
+  /**
+   * All shutdown hooks. This is initialized lazily, and set to null once all
+   * shutdown hooks have run. Access to this field must be thread-safe; lock
+   * on libpath to avoid deadlock with user code.
+   */
+  private Set shutdownHooks;
+
+  /**
+   * The one and only runtime instance.
+   */
+  private static final Runtime current = new Runtime();
+
+  /**
+   * Not instantiable by a user, this should only create one instance.
+   */
+  private Runtime()
+  {
+    if (current != null)
+      throw new InternalError("Attempt to recreate Runtime");
+
+    // If used by underlying VM this contains the directories where Classpath's own
+    // native libraries are located.
+    String bootPath = SystemProperties.getProperty("gnu.classpath.boot.library.path", "");
+
+    // If properly set by the user this contains the directories where the application's
+    // native libraries are located. On operating systems where a LD_LIBRARY_PATH environment
+    // variable is available a VM should preset java.library.path with value of this
+    // variable.
+    String path = SystemProperties.getProperty("java.library.path", ".");
+    String pathSep = SystemProperties.getProperty("path.separator", ":");
+    String fileSep = SystemProperties.getProperty("file.separator", "/");
+
+    StringTokenizer t1 = new StringTokenizer(bootPath, pathSep);
+    StringTokenizer t2 = new StringTokenizer(path, pathSep);
+    libpath = new String[t1.countTokens() + t2.countTokens()];
+
+    int i = 0;
+    while(t1.hasMoreTokens()) {
+      String prefix = t1.nextToken();
+      if (! prefix.endsWith(fileSep))
+        prefix += fileSep;
+
+      libpath[i] = prefix;
+      i++;
+    }
+
+    while(t2.hasMoreTokens()) {
+      String prefix = t2.nextToken();
+      if (! prefix.endsWith(fileSep))
+        prefix += fileSep;
+
+      libpath[i] = prefix;
+      i++;
+    }
+  }
+
+  /**
+   * Get the current Runtime object for this JVM. This is necessary to access
+   * the many instance methods of this class.
+   *
+   * @return the current Runtime object
+   */
+  public static Runtime getRuntime()
+  {
+    return current;
+  }
+
+  /**
+   * Exit the Java runtime. This method will either throw a SecurityException
+   * or it will never return. The status code is returned to the system; often
+   * a non-zero status code indicates an abnormal exit. Of course, there is a
+   * security check, <code>checkExit(status)</code>.
+   *
+   * <p>First, all shutdown hooks are run, in unspecified order, and
+   * concurrently. Next, if finalization on exit has been enabled, all pending
+   * finalizers are run. Finally, the system calls <code>halt</code>.</p>
+   *
+   * <p>If this is run a second time after shutdown has already started, there
+   * are two actions. If shutdown hooks are still executing, it blocks
+   * indefinitely. Otherwise, if the status is nonzero it halts immediately;
+   * if it is zero, it blocks indefinitely. This is typically called by
+   * <code>System.exit</code>.</p>
+   *
+   * @param status the status to exit with
+   * @throws SecurityException if permission is denied
+   * @see #addShutdownHook(Thread)
+   * @see #runFinalizersOnExit(boolean)
+   * @see #runFinalization()
+   * @see #halt(int)
+   */
+  public void exit(int status)
+  {
+    SecurityManager sm = SecurityManager.current; // Be thread-safe!
+    if (sm != null)
+      sm.checkExit(status);
+
+    if (runShutdownHooks())
+      halt(status);
+
+    // Someone else already called runShutdownHooks().
+    // Make sure we are not/no longer in the shutdownHooks set.
+    // And wait till the thread that is calling runShutdownHooks() finishes.
+    synchronized (libpath)
+      {
+        if (shutdownHooks != null)
+          {
+            shutdownHooks.remove(Thread.currentThread());
+            // Interrupt the exit sequence thread, in case it was waiting
+            // inside a join on our thread.
+            exitSequence.interrupt();
+            // Shutdown hooks are still running, so we clear status to
+            // make sure we don't halt.
+            status = 0;
+          }
+      }
+
+    // If exit() is called again after the shutdown hooks have run, but
+    // while finalization for exit is going on and the status is non-zero
+    // we halt immediately.
+    if (status != 0)
+      halt(status);
+
+    while (true)
+      try
+        {
+          exitSequence.join();
+        }
+      catch (InterruptedException e)
+        {
+          // Ignore, we've suspended indefinitely to let all shutdown
+          // hooks complete, and to let any non-zero exits through, because
+          // this is a duplicate call to exit(0).
+        }
+  }
+
+  /**
+   * On first invocation, run all the shutdown hooks and return true.
+   * Any subsequent invocations will simply return false.
+   * Note that it is package accessible so that VMRuntime can call it
+   * when VM exit is not triggered by a call to Runtime.exit().
+   *
+   * @return was the current thread the first one to call this method?
+   */
+  boolean runShutdownHooks()
+  {
+    boolean first = false;
+    synchronized (libpath) // Synch on libpath, not this, to avoid deadlock.
+      {
+        if (exitSequence == null)
+          {
+            first = true;
+            exitSequence = Thread.currentThread();
+            if (shutdownHooks != null)
+              {
+                Iterator i = shutdownHooks.iterator();
+                while (i.hasNext()) // Start all shutdown hooks.
+                  try
+                    {
+                      ((Thread) i.next()).start();
+                    }
+                  catch (IllegalThreadStateException e)
+                    {
+                      i.remove();
+                    }
+              }
+          }
+      }
+    if (first)
+      {
+        if (shutdownHooks != null)
+          {
+            // Check progress of all shutdown hooks. As a hook completes,
+            // remove it from the set. If a hook calls exit, it removes
+            // itself from the set, then waits indefinitely on the
+            // exitSequence thread. Once the set is empty, set it to null to
+            // signal all finalizer threads that halt may be called.
+            while (true)
+              {
+                Thread[] hooks;
+                synchronized (libpath)
+                  {
+                    hooks = new Thread[shutdownHooks.size()];
+                    shutdownHooks.toArray(hooks);
+                  }
+                if (hooks.length == 0)
+                  break;
+                for (int i = 0; i < hooks.length; i++)
+                  {
+                    try
+                      {
+                        synchronized (libpath)
+                          {
+                            if (!shutdownHooks.contains(hooks[i]))
+                              continue;
+                          }
+                        hooks[i].join();
+                        synchronized (libpath)
+                          {
+                            shutdownHooks.remove(hooks[i]);
+                          }
+                      }
+                    catch (InterruptedException x)
+                      {
+                        // continue waiting on the next thread
+                      }
+                  }
+              }
+            synchronized (libpath)
+              {
+                shutdownHooks = null;
+              }
+          }
+        // Run finalization on all finalizable objects (even if they are
+        // still reachable).
+        VMRuntime.runFinalizationForExit();
+      }
+    return first;
+  }
+
+  /**
+   * Register a new shutdown hook. This is invoked when the program exits
+   * normally (because all non-daemon threads ended, or because
+   * <code>System.exit</code> was invoked), or when the user terminates
+   * the virtual machine (such as by typing ^C, or logging off). There is
+   * a security check to add hooks,
+   * <code>RuntimePermission("shutdownHooks")</code>.
+   *
+   * <p>The hook must be an initialized, but unstarted Thread. The threads
+   * are run concurrently, and started in an arbitrary order; and user
+   * threads or daemons may still be running. Once shutdown hooks have
+   * started, they must all complete, or else you must use <code>halt</code>,
+   * to actually finish the shutdown sequence. Attempts to modify hooks
+   * after shutdown has started result in IllegalStateExceptions.</p>
+   *
+   * <p>It is imperative that you code shutdown hooks defensively, as you
+   * do not want to deadlock, and have no idea what other hooks will be
+   * running concurrently. It is also a good idea to finish quickly, as the
+   * virtual machine really wants to shut down!</p>
+   *
+   * <p>There are no guarantees that such hooks will run, as there are ways
+   * to forcibly kill a process. But in such a drastic case, shutdown hooks
+   * would do little for you in the first place.</p>
+   *
+   * @param hook an initialized, unstarted Thread
+   * @throws IllegalArgumentException if the hook is already registered or run
+   * @throws IllegalStateException if the virtual machine is already in
+   *         the shutdown sequence
+   * @throws SecurityException if permission is denied
+   * @since 1.3
+   * @see #removeShutdownHook(Thread)
+   * @see #exit(int)
+   * @see #halt(int)
+   */
+  public void addShutdownHook(Thread hook)
+  {
+    SecurityManager sm = SecurityManager.current; // Be thread-safe!
+    if (sm != null)
+      sm.checkPermission(new RuntimePermission("shutdownHooks"));
+    if (hook.isAlive() || hook.getThreadGroup() == null)
+      throw new IllegalArgumentException("The hook thread " + hook + " must not have been already run or started");
+    synchronized (libpath)
+      {
+        if (exitSequence != null)
+          throw new IllegalStateException("The Virtual Machine is exiting. It is not possible anymore to add any hooks");
+        if (shutdownHooks == null)
+          {
+            VMRuntime.enableShutdownHooks();
+            shutdownHooks = new HashSet(); // Lazy initialization.
+          }
+        if (! shutdownHooks.add(hook))
+          throw new IllegalArgumentException(hook.toString() + " had already been inserted");
+      }
+  }
+
+  /**
+   * De-register a shutdown hook. As when you registered it, there is a
+   * security check to remove hooks,
+   * <code>RuntimePermission("shutdownHooks")</code>.
+   *
+   * @param hook the hook to remove
+   * @return true if the hook was successfully removed, false if it was not
+   *         registered in the first place
+   * @throws IllegalStateException if the virtual machine is already in
+   *         the shutdown sequence
+   * @throws SecurityException if permission is denied
+   * @since 1.3
+   * @see #addShutdownHook(Thread)
+   * @see #exit(int)
+   * @see #halt(int)
+   */
+  public boolean removeShutdownHook(Thread hook)
+  {
+    SecurityManager sm = SecurityManager.current; // Be thread-safe!
+    if (sm != null)
+      sm.checkPermission(new RuntimePermission("shutdownHooks"));
+    synchronized (libpath)
+      {
+        if (exitSequence != null)
+          throw new IllegalStateException();
+        if (shutdownHooks != null)
+          return shutdownHooks.remove(hook);
+      }
+    return false;
+  }
+
+  /**
+   * Forcibly terminate the virtual machine. This call never returns. It is
+   * much more severe than <code>exit</code>, as it bypasses all shutdown
+   * hooks and initializers. Use caution in calling this! Of course, there is
+   * a security check, <code>checkExit(status)</code>.
+   *
+   * @param status the status to exit with
+   * @throws SecurityException if permission is denied
+   * @since 1.3
+   * @see #exit(int)
+   * @see #addShutdownHook(Thread)
+   */
+  public void halt(int status)
+  {
+    SecurityManager sm = SecurityManager.current; // Be thread-safe!
+    if (sm != null)
+      sm.checkExit(status);
+    VMRuntime.exit(status);
+  }
+
+  /**
+   * Tell the VM to run the finalize() method on every single Object before
+   * it exits.  Note that the JVM may still exit abnormally and not perform
+   * this, so you still don't have a guarantee. And besides that, this is
+   * inherently unsafe in multi-threaded code, as it may result in deadlock
+   * as multiple threads compete to manipulate objects. This value defaults to
+   * <code>false</code>. There is a security check, <code>checkExit(0)</code>.
+   *
+   * @param finalizeOnExit whether to finalize all Objects on exit
+   * @throws SecurityException if permission is denied
+   * @see #exit(int)
+   * @see #gc()
+   * @since 1.1
+   * @deprecated never rely on finalizers to do a clean, thread-safe,
+   *             mop-up from your code
+   */
+  public static void runFinalizersOnExit(boolean finalizeOnExit)
+  {
+    SecurityManager sm = SecurityManager.current; // Be thread-safe!
+    if (sm != null)
+      sm.checkExit(0);
+    VMRuntime.runFinalizersOnExit(finalizeOnExit);
+  }
+
+  /**
+   * Create a new subprocess with the specified command line. Calls
+   * <code>exec(cmdline, null, null)</code>. A security check is performed,
+   * <code>checkExec</code>.
+   *
+   * @param cmdline the command to call
+   * @return the Process object
+   * @throws SecurityException if permission is denied
+   * @throws IOException if an I/O error occurs
+   * @throws NullPointerException if cmdline is null
+   * @throws IndexOutOfBoundsException if cmdline is ""
+   */
+  public Process exec(String cmdline) throws IOException
+  {
+    return exec(cmdline, null, null);
+  }
+
+  /**
+   * Create a new subprocess with the specified command line and environment.
+   * If the environment is null, the process inherits the environment of
+   * this process. Calls <code>exec(cmdline, env, null)</code>. A security
+   * check is performed, <code>checkExec</code>.
+   *
+   * @param cmdline the command to call
+   * @param env the environment to use, in the format name=value
+   * @return the Process object
+   * @throws SecurityException if permission is denied
+   * @throws IOException if an I/O error occurs
+   * @throws NullPointerException if cmdline is null, or env has null entries
+   * @throws IndexOutOfBoundsException if cmdline is ""
+   */
+  public Process exec(String cmdline, String[] env) throws IOException
+  {
+    return exec(cmdline, env, null);
+  }
+
+  /**
+   * Create a new subprocess with the specified command line, 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. This splits cmdline into an array, using
+   * the default StringTokenizer, then calls
+   * <code>exec(cmdArray, env, dir)</code>. A security check is performed,
+   * <code>checkExec</code>.
+   *
+   * @param cmdline 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 cmdline is null, or env has null entries
+   * @throws IndexOutOfBoundsException if cmdline is ""
+   * @since 1.3
+   */
+  public Process exec(String cmdline, String[] env, File dir)
+    throws IOException
+  {
+    StringTokenizer t = new StringTokenizer(cmdline);
+    String[] cmd = new String[t.countTokens()];
+    for (int i = 0; i < cmd.length; i++)
+      cmd[i] = t.nextToken();
+    return exec(cmd, env, dir);
+  }
+
+  /**
+   * Create a new subprocess with the specified command line, already
+   * tokenized. Calls <code>exec(cmd, null, null)</code>. A security check
+   * is performed, <code>checkExec</code>.
+   *
+   * @param cmd the command to call
+   * @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 has null entries
+   * @throws IndexOutOfBoundsException if cmd is length 0
+   */
+  public Process exec(String[] cmd) throws IOException
+  {
+    return exec(cmd, null, null);
+  }
+
+  /**
+   * Create a new subprocess with the specified command line, already
+   * tokenized, and specified environment. If the environment is null, the
+   * process inherits the environment of this process. Calls
+   * <code>exec(cmd, env, null)</code>. 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
+   * @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
+   */
+  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