natThread.cc (countStackFrames): Do not throw UnsupportedOperationException.

2006-05-29  Thomas Fitzsimmons  <fitzsim@redhat.com>

	* java/lang/natThread.cc (countStackFrames): Do not throw
	UnsupportedOperationException.
	(resume): Likewise.
	(stop): Likewise.
	(suspend): Likewise.

From-SVN: r114218

libjava/ChangeLog

+2006-05-29  Thomas Fitzsimmons  <fitzsim@redhat.com>
+
+	* java/lang/natThread.cc (countStackFrames): Do not throw
+	UnsupportedOperationException.
+	(resume): Likewise.
+	(stop): Likewise.
+	(suspend): Likewise.
+
 2006-05-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 
         * configure.ac: Add sys/rw_lock.h to AC_CHECK_HEADERS.

libjava/java/lang/natThread.cc

@@ -20,7 +20,6 @@ details.  */
 #include <java/lang/Thread.h>
 #include <java/lang/ThreadGroup.h>
 #include <java/lang/IllegalArgumentException.h>
-#include <java/lang/UnsupportedOperationException.h>
 #include <java/lang/IllegalThreadStateException.h>
 #include <java/lang/InterruptedException.h>
 #include <java/lang/NullPointerException.h>
@@ -91,8 +90,10 @@ jint
 java::lang::Thread::countStackFrames (void)
 {
   // NOTE: This is deprecated in JDK 1.2.
-  throw new UnsupportedOperationException
-    (JvNewStringLatin1 ("Thread.countStackFrames unimplemented"));
+
+  // Old applets still call this method.  Rather than throwing
+  // UnsupportedOperationException we simply fail silently.
+
   return 0;
 }
 
@@ -150,8 +151,9 @@ void
 java::lang::Thread::resume (void)
 {
   checkAccess ();
-  throw new UnsupportedOperationException
-    (JvNewStringLatin1 ("Thread.resume unimplemented"));
+
+  // Old applets still call this method.  Rather than throwing
+  // UnsupportedOperationException we simply fail silently.
 }
 
 void
@@ -335,16 +337,18 @@ void
 java::lang::Thread::stop (java::lang::Throwable *)
 {
   checkAccess ();
-  throw new UnsupportedOperationException
-    (JvNewStringLatin1 ("Thread.stop unimplemented"));
+
+  // Old applets still call this method.  Rather than throwing
+  // UnsupportedOperationException we simply fail silently.
 }
 
 void
 java::lang::Thread::suspend (void)
 {
   checkAccess ();
-  throw new UnsupportedOperationException 
-    (JvNewStringLatin1 ("Thread.suspend unimplemented"));
+
+  // Old applets still call this method.  Rather than throwing
+  // UnsupportedOperationException we simply fail silently.
 }
 
 static int nextThreadNumber = 0;