110 

   111 TimeMillisUpdateTask* TimeMillisUpdateTask::_task = NULL;

   112 

   113 void TimeMillisUpdateTask::task() {

   114   os::update_global_time();

   115 }

   116 

   117 void TimeMillisUpdateTask::engage() {

   118   assert(_task == NULL, "init twice?");

   119   os::update_global_time(); // initial update

   120   os::enable_global_time();

   121   _task = new TimeMillisUpdateTask(CacheTimeMillisGranularity);

   122   _task->enroll();

   123 }

   124 

   125 void TimeMillisUpdateTask::disengage() {

   126   assert(_task != NULL, "uninit twice?");

   127   os::disable_global_time();

   128   _task->disenroll();

   129   delete _task;

   130   _task = NULL;

   131 }