src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/JavaThread.java

rev 54717 : imported patch 8223306

@@ -39,11 +39,10 @@
     instantiated by the JavaThreadFactory in the Threads class. */
 
 public class JavaThread extends Thread {
   private static final boolean DEBUG = System.getProperty("sun.jvm.hotspot.runtime.JavaThread.DEBUG") != null;
 
-  private static AddressField  nextField;
   private static sun.jvm.hotspot.types.OopField threadObjField;
   private static AddressField  anchorField;
   private static AddressField  lastJavaSPField;
   private static AddressField  lastJavaPCField;
   private static CIntegerField threadStateField;

@@ -82,11 +81,10 @@
 
   private static synchronized void initialize(TypeDataBase db) {
     Type type = db.lookupType("JavaThread");
     Type anchorType = db.lookupType("JavaFrameAnchor");
 
-    nextField         = type.getAddressField("_next");
     threadObjField    = type.getOopField("_threadObj");
     anchorField       = type.getAddressField("_anchor");
     lastJavaSPField   = anchorType.getAddressField("_last_Java_sp");
     lastJavaPCField   = anchorType.getAddressField("_last_Java_pc");
     threadStateField  = type.getCIntegerField("_thread_state");

@@ -118,19 +116,10 @@
 
   void setThreadPDAccess(JavaThreadPDAccess access) {
     this.access = access;
   }
 
-  public JavaThread next() {
-    Address threadAddr = nextField.getValue(addr);
-    if (threadAddr == null) {
-      return null;
-    }
-
-    return VM.getVM().getThreads().createJavaThreadWrapper(threadAddr);
-  }
-
   /** NOTE: for convenience, this differs in definition from the underlying VM.
       Only "pure" JavaThreads return true; CompilerThreads, the CodeCacheSweeperThread,
       JVMDIDebuggerThreads return false.
       FIXME:
       consider encapsulating platform-specific functionality in an