src/hotspot/share/gc/g1/g1CollectedHeap.cpp

rev 47794 : Port 09.17.Thread_SMR_logging_update from JDK9 to JDK10
rev 47796 : eosterlund, stefank CR - refactor code into threadSMR.cpp and threadSMR.hpp
rev 47799 : stefank, coleenp CR - refactor most JavaThreadIterator usage to use JavaThreadIteratorWithHandle.

*** 79,88 ****
--- 79,89 ----
  #include "oops/oop.inline.hpp"
  #include "prims/resolvedMethodTable.hpp"
  #include "runtime/atomic.hpp"
  #include "runtime/init.hpp"
  #include "runtime/orderAccess.inline.hpp"
+ #include "runtime/threadSMR.hpp"
  #include "runtime/vmThread.hpp"
  #include "utilities/align.hpp"
  #include "utilities/globalDefinitions.hpp"
  #include "utilities/stack.inline.hpp"
  
*** 2647,2661 ****
    }
  }
  
  size_t G1CollectedHeap::pending_card_num() {
    size_t extra_cards = 0;
!   JavaThread *curr = Threads::first();
!   while (curr != NULL) {
      DirtyCardQueue& dcq = curr->dirty_card_queue();
      extra_cards += dcq.size();
-     curr = curr->next();
    }
    DirtyCardQueueSet& dcqs = JavaThread::dirty_card_queue_set();
    size_t buffer_size = dcqs.buffer_size();
    size_t buffer_num = dcqs.completed_buffers_num();
  
--- 2648,2660 ----
    }
  }
  
  size_t G1CollectedHeap::pending_card_num() {
    size_t extra_cards = 0;
!   for (JavaThreadIteratorWithHandle jtiwh; JavaThread *curr = jtiwh.next(); ) {
      DirtyCardQueue& dcq = curr->dirty_card_queue();
      extra_cards += dcq.size();
    }
    DirtyCardQueueSet& dcqs = JavaThread::dirty_card_queue_set();
    size_t buffer_size = dcqs.buffer_size();
    size_t buffer_num = dcqs.completed_buffers_num();