src/hotspot/share/runtime/serviceThread.cpp

@@ -39,10 +39,11 @@
  #include "runtime/interfaceSupport.inline.hpp"
  #include "runtime/java.hpp"
  #include "runtime/javaCalls.hpp"
  #include "runtime/jniHandles.hpp"
  #include "runtime/serviceThread.hpp"
+ #include "runtime/lightweightSynchronizer.hpp"
  #include "runtime/mutexLocker.hpp"
  #include "runtime/os.hpp"
  #include "prims/jvmtiImpl.hpp"
  #include "prims/jvmtiTagMap.hpp"
  #include "prims/resolvedMethodTable.hpp"

@@ -95,10 +96,11 @@
      JvmtiDeferredEvent jvmti_event;
      bool oop_handles_to_release = false;
      bool cldg_cleanup_work = false;
      bool jvmti_tagmap_work = false;
      bool oopmap_cache_work = false;
+     bool omworldtable_work = false;
      {
        // Need state transition ThreadBlockInVM so that this thread
        // will be handled by safepoint correctly when this thread is
        // notified at a safepoint.
  

@@ -125,11 +127,12 @@
                (protection_domain_table_work = ProtectionDomainCacheTable::has_work()) |
                (oopstorage_work = OopStorage::has_cleanup_work_and_reset()) |
                (oop_handles_to_release = JavaThread::has_oop_handles_to_release()) |
                (cldg_cleanup_work = ClassLoaderDataGraph::should_clean_metaspaces_and_reset()) |
                (jvmti_tagmap_work = JvmtiTagMap::has_object_free_events_and_reset()) |
-               (oopmap_cache_work = OopMapCache::has_cleanup_work())
+               (oopmap_cache_work = OopMapCache::has_cleanup_work()) |
+               (omworldtable_work = LightweightSynchronizer::needs_resize())
               ) == 0) {
          // Wait until notified that there is some work to do or timer expires.
          // Some cleanup requests don't notify the ServiceThread so work needs to be done at periodic intervals.
          ml.wait(ServiceThreadCleanupInterval);
        }

@@ -201,10 +204,14 @@
      }
  
      if (oopmap_cache_work) {
        OopMapCache::cleanup();
      }
+ 
+     if (omworldtable_work) {
+       LightweightSynchronizer::resize_table(jt);
+     }
    }
  }
  
  void ServiceThread::enqueue_deferred_event(JvmtiDeferredEvent* event) {
    MutexLocker ml(Service_lock, Mutex::_no_safepoint_check_flag);