src/hotspot/share/prims/jvmtiExport.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.

*** 2786,2798 ****
    // no-op if jvmti not enabled
    if (!JvmtiEnv::environments_might_exist()) {
      return;
    }
  
!   ThreadsListHandle tlh;
!   JavaThreadIterator jti(tlh.list());
!   for (JavaThread *jthr = jti.first(); jthr != NULL; jthr = jti.next()) {
      JvmtiThreadState *state = jthr->jvmti_thread_state();
      if (state != NULL) {
        JvmtiVMObjectAllocEventCollector *collector;
        collector = state->get_vm_object_alloc_event_collector();
        while (collector != NULL) {
--- 2786,2796 ----
    // no-op if jvmti not enabled
    if (!JvmtiEnv::environments_might_exist()) {
      return;
    }
  
!   for (JavaThreadIteratorWithHandle jtiwh; JavaThread *jthr = jtiwh.next(); ) {
      JvmtiThreadState *state = jthr->jvmti_thread_state();
      if (state != NULL) {
        JvmtiVMObjectAllocEventCollector *collector;
        collector = state->get_vm_object_alloc_event_collector();
        while (collector != NULL) {