src/hotspot/share/runtime/threadSMR.inline.hpp
changeset 48382 0997d6959851
parent 48312 2a1413298af0
child 49956 a87f2e7a527c
equal deleted inserted replaced
48381:8b434af2703d 48382:0997d6959851
    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
    55 // These three inlines are private to ThreadsSMRSupport, but
    56 // they are called by public inline update_smr_tlh_stats() below:
    56 // they are called by public inline update_tlh_stats() below:
    57 
    57 
    58 inline void ThreadsSMRSupport::add_smr_tlh_times(uint add_value) {
    58 inline void ThreadsSMRSupport::add_tlh_times(uint add_value) {
    59   Atomic::add(add_value, &_smr_tlh_times);
    59   Atomic::add(add_value, &_tlh_times);
    60 }
    60 }
    61 
    61 
    62 inline void ThreadsSMRSupport::inc_smr_tlh_cnt() {
    62 inline void ThreadsSMRSupport::inc_tlh_cnt() {
    63   Atomic::inc(&_smr_tlh_cnt);
    63   Atomic::inc(&_tlh_cnt);
    64 }
    64 }
    65 
    65 
    66 inline void ThreadsSMRSupport::update_smr_tlh_time_max(uint new_value) {
    66 inline void ThreadsSMRSupport::update_tlh_time_max(uint new_value) {
    67   while (true) {
    67   while (true) {
    68     uint cur_value = _smr_tlh_time_max;
    68     uint cur_value = _tlh_time_max;
    69     if (new_value <= cur_value) {
    69     if (new_value <= cur_value) {
    70       // No need to update max value so we're done.
    70       // No need to update max value so we're done.
    71       break;
    71       break;
    72     }
    72     }
    73     if (Atomic::cmpxchg(new_value, &_smr_tlh_time_max, cur_value) == cur_value) {
    73     if (Atomic::cmpxchg(new_value, &_tlh_time_max, cur_value) == cur_value) {
    74       // Updated max value so we're done. Otherwise try it all again.
    74       // Updated max value so we're done. Otherwise try it all again.
    75       break;
    75       break;
    76     }
    76     }
    77   }
    77   }
    78 }
    78 }
    83   assert(ret != NULL, "hazard ptr should be set");
    83   assert(ret != NULL, "hazard ptr should be set");
    84   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");
    85   return ret;
    85   return ret;
    86 }
    86 }
    87 
    87 
    88 inline ThreadsList* ThreadsSMRSupport::get_smr_java_thread_list() {
    88 inline ThreadsList* ThreadsSMRSupport::get_java_thread_list() {
    89   return (ThreadsList*)OrderAccess::load_acquire(&_smr_java_thread_list);
    89   return (ThreadsList*)OrderAccess::load_acquire(&_java_thread_list);
    90 }
    90 }
    91 
    91 
    92 inline bool ThreadsSMRSupport::is_a_protected_JavaThread_with_lock(JavaThread *thread) {
    92 inline bool ThreadsSMRSupport::is_a_protected_JavaThread_with_lock(JavaThread *thread) {
    93   MutexLockerEx ml(Threads_lock->owned_by_self() ? NULL : Threads_lock);
    93   MutexLockerEx ml(Threads_lock->owned_by_self() ? NULL : Threads_lock);
    94   return is_a_protected_JavaThread(thread);
    94   return is_a_protected_JavaThread(thread);
    95 }
    95 }
    96 
    96 
    97 inline void ThreadsSMRSupport::update_smr_tlh_stats(uint millis) {
    97 inline void ThreadsSMRSupport::update_tlh_stats(uint millis) {
    98   ThreadsSMRSupport::inc_smr_tlh_cnt();
    98   ThreadsSMRSupport::inc_tlh_cnt();
    99   ThreadsSMRSupport::add_smr_tlh_times(millis);
    99   ThreadsSMRSupport::add_tlh_times(millis);
   100   ThreadsSMRSupport::update_smr_tlh_time_max(millis);
   100   ThreadsSMRSupport::update_tlh_time_max(millis);
   101 }
   101 }
   102 
   102 
   103 #endif // SHARE_VM_RUNTIME_THREADSMR_INLINE_HPP
   103 #endif // SHARE_VM_RUNTIME_THREADSMR_INLINE_HPP