File.java (deleteOnExit): New method.

* java/io/File.java (deleteOnExit): New method.
        * gnu/gcj/runtime/FileDeleter.java: New class.
        * java/lang/natRuntime.cc (exit): Call
        FileDeleter.deleteOnExitNow()
        * Makefile.am: Add FileDeleter.java.
        * Makefile.in: Rebuilt.

From-SVN: r36141

libjava/java/lang/natRuntime.cc

@@ -17,6 +17,7 @@ details.  */
 #include <java/lang/Runtime.h>
 #include <java/lang/UnknownError.h>
 #include <java/lang/UnsatisfiedLinkError.h>
+#include <gnu/gcj/runtime/FileDeleter.h>
 
 #include <jni.h>
 
@@ -85,6 +86,9 @@ java::lang::Runtime::exit (jint status)
   if (finalize_on_exit)
     _Jv_RunAllFinalizers ();
 
+  // Delete all files registered with File.deleteOnExit()
+  gnu::gcj::runtime::FileDeleter::deleteOnExitNow ();
+
   ::exit (status);
 }