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src/hotspot/share/runtime/safepointMechanism.inline.hpp

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rev 53601 : 8218145: block_if_requested is not proper inlined due to size
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  38   return SafepointSynchronize::do_call_back();
  39 }
  40 
  41 bool SafepointMechanism::local_poll(Thread* thread) {
  42   if (thread->is_Java_thread()) {
  43     return local_poll_armed((JavaThread*)thread);
  44   } else {
  45     // If the poll is on a non-java thread we can only check the global state.
  46     return global_poll();
  47   }
  48 }
  49 
  50 bool SafepointMechanism::should_block(Thread* thread) {
  51   if (uses_thread_local_poll()) {
  52     return local_poll(thread);
  53   } else {
  54     return global_poll();
  55   }
  56 }
  57 
  58 void SafepointMechanism::block_if_requested_local_poll(JavaThread *thread) {
  59   bool armed = local_poll_armed(thread); // load acquire, polling page -> op / global state
  60   if(armed) {
  61     // We could be armed for either a handshake operation or a safepoint
  62     if (global_poll()) {
  63       SafepointSynchronize::block(thread);
  64     }
  65     if (thread->has_handshake()) {
  66       thread->handshake_process_by_self();
  67     }
  68   }
  69 }
  70 
  71 void SafepointMechanism::block_if_requested(JavaThread *thread) {
  72   if (uses_thread_local_poll()) {
  73     block_if_requested_local_poll(thread);
  74   } else {
  75     // If we don't have per thread poll this could a handshake or a safepoint
  76     if (global_poll()) {
  77       SafepointSynchronize::block(thread);
  78     }
  79   }

  80 }
  81 
  82 void SafepointMechanism::arm_local_poll(JavaThread* thread) {
  83   thread->set_polling_page(poll_armed_value());
  84 }
  85 
  86 void SafepointMechanism::disarm_local_poll(JavaThread* thread) {
  87   thread->set_polling_page(poll_disarmed_value());
  88 }
  89 
  90 void SafepointMechanism::arm_local_poll_release(JavaThread* thread) {
  91   thread->set_polling_page_release(poll_armed_value());
  92 }
  93 
  94 void SafepointMechanism::disarm_local_poll_release(JavaThread* thread) {
  95   thread->set_polling_page_release(poll_disarmed_value());
  96 }
  97 
  98 #endif // SHARE_RUNTIME_SAFEPOINTMECHANISM_INLINE_HPP


  38   return SafepointSynchronize::do_call_back();
  39 }
  40 
  41 bool SafepointMechanism::local_poll(Thread* thread) {
  42   if (thread->is_Java_thread()) {
  43     return local_poll_armed((JavaThread*)thread);
  44   } else {
  45     // If the poll is on a non-java thread we can only check the global state.
  46     return global_poll();
  47   }
  48 }
  49 
  50 bool SafepointMechanism::should_block(Thread* thread) {
  51   if (uses_thread_local_poll()) {
  52     return local_poll(thread);
  53   } else {
  54     return global_poll();
  55   }
  56 }
  57 













  58 void SafepointMechanism::block_if_requested(JavaThread *thread) {
  59   if (uses_thread_local_poll() && !SafepointMechanism::local_poll_armed(thread)) {
  60     return;





  61   }
  62   block_if_requested_slow(thread);
  63 }
  64 
  65 void SafepointMechanism::arm_local_poll(JavaThread* thread) {
  66   thread->set_polling_page(poll_armed_value());
  67 }
  68 
  69 void SafepointMechanism::disarm_local_poll(JavaThread* thread) {
  70   thread->set_polling_page(poll_disarmed_value());
  71 }
  72 
  73 void SafepointMechanism::arm_local_poll_release(JavaThread* thread) {
  74   thread->set_polling_page_release(poll_armed_value());
  75 }
  76 
  77 void SafepointMechanism::disarm_local_poll_release(JavaThread* thread) {
  78   thread->set_polling_page_release(poll_disarmed_value());
  79 }
  80 
  81 #endif // SHARE_RUNTIME_SAFEPOINTMECHANISM_INLINE_HPP
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