src/hotspot/share/runtime/threadSMR.inline.hpp
changeset 48312 2a1413298af0
parent 48105 8d15b1369c7a
child 48382 0997d6959851
equal deleted inserted replaced
48311:d18861f20c0e 48312:2a1413298af0
    50     JavaThread *const current = *current_p;
    50     JavaThread *const current = *current_p;
    51     threads_do_dispatch(cl, current);
    51     threads_do_dispatch(cl, current);
    52   }
    52   }
    53 }
    53 }
    54 
    54 
       
    55 // These three inlines are private to ThreadsSMRSupport, but
       
    56 // they are called by public inline update_smr_tlh_stats() below:
       
    57 
       
    58 inline void ThreadsSMRSupport::add_smr_tlh_times(uint add_value) {
       
    59   Atomic::add(add_value, &_smr_tlh_times);
       
    60 }
       
    61 
       
    62 inline void ThreadsSMRSupport::inc_smr_tlh_cnt() {
       
    63   Atomic::inc(&_smr_tlh_cnt);
       
    64 }
       
    65 
       
    66 inline void ThreadsSMRSupport::update_smr_tlh_time_max(uint new_value) {
       
    67   while (true) {
       
    68     uint cur_value = _smr_tlh_time_max;
       
    69     if (new_value <= cur_value) {
       
    70       // No need to update max value so we're done.
       
    71       break;
       
    72     }
       
    73     if (Atomic::cmpxchg(new_value, &_smr_tlh_time_max, cur_value) == cur_value) {
       
    74       // Updated max value so we're done. Otherwise try it all again.
       
    75       break;
       
    76     }
       
    77   }
       
    78 }
       
    79 
       
    80 
    55 inline ThreadsList* ThreadsListSetter::list() {
    81 inline ThreadsList* ThreadsListSetter::list() {
    56   ThreadsList *ret = _target->get_threads_hazard_ptr();
    82   ThreadsList *ret = _target->get_threads_hazard_ptr();
    57   assert(ret != NULL, "hazard ptr should be set");
    83   assert(ret != NULL, "hazard ptr should be set");
    58   assert(!Thread::is_hazard_ptr_tagged(ret), "hazard ptr should be validated");
    84   assert(!Thread::is_hazard_ptr_tagged(ret), "hazard ptr should be validated");
    59   return ret;
    85   return ret;
    60 }
    86 }
    61 
    87 
       
    88 inline ThreadsList* ThreadsSMRSupport::get_smr_java_thread_list() {
       
    89   return (ThreadsList*)OrderAccess::load_acquire(&_smr_java_thread_list);
       
    90 }
       
    91 
       
    92 inline bool ThreadsSMRSupport::is_a_protected_JavaThread_with_lock(JavaThread *thread) {
       
    93   MutexLockerEx ml(Threads_lock->owned_by_self() ? NULL : Threads_lock);
       
    94   return is_a_protected_JavaThread(thread);
       
    95 }
       
    96 
       
    97 inline void ThreadsSMRSupport::update_smr_tlh_stats(uint millis) {
       
    98   ThreadsSMRSupport::inc_smr_tlh_cnt();
       
    99   ThreadsSMRSupport::add_smr_tlh_times(millis);
       
   100   ThreadsSMRSupport::update_smr_tlh_time_max(millis);
       
   101 }
       
   102 
    62 #endif // SHARE_VM_RUNTIME_THREADSMR_INLINE_HPP
   103 #endif // SHARE_VM_RUNTIME_THREADSMR_INLINE_HPP