src/hotspot/share/gc/shared/threadLocalAllocBuffer.cpp

rev 47287 : Port 09.17.Thread_SMR_logging_update from JDK9 to JDK10
rev 47289 : eosterlund, stefank CR - refactor code into threadSMR.cpp and threadSMR.hpp
rev 47292 : stefank, coleenp CR - refactor most JavaThreadIterator usage to use JavaThreadIteratorWithHandle.

@@ -47,18 +47,14 @@
 }
 
 void ThreadLocalAllocBuffer::accumulate_statistics_before_gc() {
   global_stats()->initialize();
 
-  {
-    ThreadsListHandle tlh;
-    JavaThreadIterator jti(tlh.list());
-    for (JavaThread *thread = jti.first(); thread != NULL; thread = jti.next()) {
+  for (JavaThreadIteratorWithHandle jtiwh; JavaThread *thread = jtiwh.next(); ) {
       thread->tlab().accumulate_statistics();
       thread->tlab().initialize_statistics();
     }
-  }
 
   // Publish new stats if some allocation occurred.
   if (global_stats()->allocation() != 0) {
     global_stats()->publish();
     global_stats()->print();

@@ -133,13 +129,11 @@
          "TLAB must be reset");
 }
 
 void ThreadLocalAllocBuffer::resize_all_tlabs() {
   if (ResizeTLAB) {
-    ThreadsListHandle tlh;
-    JavaThreadIterator jti(tlh.list());
-    for (JavaThread *thread = jti.first(); thread != NULL; thread = jti.next()) {
+    for (JavaThreadIteratorWithHandle jtiwh; JavaThread *thread = jtiwh.next(); ) {
       thread->tlab().resize();
     }
   }
 }