sources.am, [...]: Rebuilt.

* sources.am, Makefile.in: Rebuilt.
	* scripts/makemake.tcl (emit_package_rule): Don't omit
	VMProcess.java.
	* Makefile.am (nat_source_files): Added natVMProcess.cc.
	(inner_nat_headers): Added ImmediateEOFInputStream.h.
	* gcj/javaprims.h: Regenerated.
	* java/lang/System.java (EnvironmentMap): Now package-private.
	(EnvironmentMap(Map)): New constructor.
	(EnvironmentMap.put): New method.
	* java/lang/natWin32Process.cc (startProcess): Update.
	* java/lang/Win32Process.java (Win32Process): Added 'redirect'
	argument.
	(startProcess): Likewise.
	* java/lang/EcosProcess.java (EcosProcess): Added 'redirect'
	argument.
	* java/lang/natPosixProcess.cc (nativeSpawn): Handle redirection.
	* java/lang/PosixProcess.java (redirect): New field.
	(PosixProcess): Added 'redirect' argument.
	* java/lang/natRuntime.cc (execInternal): Added 'redirect'
	argument to Process creation.
	* java/lang/natVMProcess.cc: New file.
	* java/lang/ProcessBuilder.java: Removed.
	* java/lang/VMProcess.java: New file.

From-SVN: r122553

libjava/java/lang/System.java

@@ -828,7 +828,7 @@ public final class System
    *
    * @author Andrew John Hughes (gnu_andrew@member.fsf.org)
    */
-  private static class EnvironmentMap
+  static class EnvironmentMap
     extends HashMap<String,String>
   {
     
@@ -854,7 +854,20 @@ public final class System
     {
       super();
     }
-    
+
+    /**
+     * Constructs a new <code>EnvironmentMap</code> containing
+     * the contents of the specified map.
+     *
+     * @param m the map to be added to this.
+     * @throws NullPointerException if a key or value is null.
+     * @throws ClassCastException if a key or value is not a String.
+     */    
+    EnvironmentMap(Map<String,String> m)
+    {
+      super(m);
+    }
+
     /**
      * Blocks queries containing a null key or one which is not
      * of type <code>String</code>.  All other queries
@@ -939,7 +952,32 @@ public final class System
         keys = new EnvironmentSet(super.keySet());
       return keys;
     }
-    
+
+    /**
+     * Associates the given key to the given value. If the
+     * map already contains the key, its value is replaced.
+     * The map does not accept null keys or values, or keys
+     * and values not of type {@link String}.
+     *
+     * @param key the key to map.
+     * @param value the value to be mapped.
+     * @return the previous value of the key, or null if there was no mapping
+     * @throws NullPointerException if a key or value is null.
+     * @throws ClassCastException if a key or value is not a String.
+     */
+    public String put(String key, String value)
+    {
+      if (key == null)
+	throw new NullPointerException("A new key is null.");
+      if (value == null)
+	throw new NullPointerException("A new value is null.");
+      if (!(key instanceof String))
+	throw new ClassCastException("A new key is not a String.");
+      if (!(value instanceof String))
+	throw new ClassCastException("A new value is not a String.");
+      return super.put(key, value);
+    }
+
     /**
      * Removes a key-value pair from the map.  The queried key may not
      * be null or of a type other than a <code>String</code>.