src/hotspot/share/gc/shared/collectedHeap.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.

*** 549,564 ****
           " unparsable again");
    const bool use_tlab = UseTLAB;
    const bool deferred = _defer_initial_card_mark;
    // The main thread starts allocating via a TLAB even before it
    // has added itself to the threads list at vm boot-up.
!   ThreadsListHandle tlh;
!   assert(!use_tlab || tlh.length() > 0,
           "Attempt to fill tlabs before main thread has been added"
           " to threads list is doomed to failure!");
!   JavaThreadIterator jti(tlh.list());
!   for (JavaThread *thread = jti.first(); thread != NULL; thread = jti.next()) {
       if (use_tlab) thread->tlab().make_parsable(retire_tlabs);
  #if defined(COMPILER2) || INCLUDE_JVMCI
       // The deferred store barriers must all have been flushed to the
       // card-table (or other remembered set structure) before GC starts
       // processing the card-table (or other remembered set).
--- 549,563 ----
           " unparsable again");
    const bool use_tlab = UseTLAB;
    const bool deferred = _defer_initial_card_mark;
    // The main thread starts allocating via a TLAB even before it
    // has added itself to the threads list at vm boot-up.
!   JavaThreadIteratorWithHandle jtiwh;
!   assert(!use_tlab || jtiwh.length() > 0,
           "Attempt to fill tlabs before main thread has been added"
           " to threads list is doomed to failure!");
!   for (; JavaThread *thread = jtiwh.next(); ) {
       if (use_tlab) thread->tlab().make_parsable(retire_tlabs);
  #if defined(COMPILER2) || INCLUDE_JVMCI
       // The deferred store barriers must all have been flushed to the
       // card-table (or other remembered set structure) before GC starts
       // processing the card-table (or other remembered set).