< prev index next >

src/hotspot/share/runtime/safepointMechanism.hpp

Print this page
rev 53601 : 8218145: block_if_requested is not proper inlined due to size
Reviewed-by:


  32 
  33 // This is the abstracted interface for the safepoint implementation
  34 class SafepointMechanism : public AllStatic {
  35   enum PollingType {
  36     _global_page_poll,
  37     _thread_local_poll
  38   };
  39   static PollingType _polling_type;
  40   static void* _poll_armed_value;
  41   static void* _poll_disarmed_value;
  42   static void set_uses_thread_local_poll()            { _polling_type     = _thread_local_poll; }
  43 
  44   static void* poll_armed_value()                     { return _poll_armed_value; }
  45   static void* poll_disarmed_value()                  { return _poll_disarmed_value; }
  46 
  47   static inline bool local_poll_armed(JavaThread* thread);
  48 
  49   static inline bool local_poll(Thread* thread);
  50   static inline bool global_poll();
  51 
  52   static inline void block_if_requested_local_poll(JavaThread *thread);
  53 
  54   static void default_initialize();
  55 
  56   static void pd_initialize() NOT_AIX({ default_initialize(); });
  57 
  58   // By adding 8 to the base address of the protected polling page we can differentiate
  59   // between the armed and disarmed value by masking out this bit.
  60   const static intptr_t _poll_bit = 8;
  61 public:
  62   static intptr_t poll_bit() { return _poll_bit; }
  63 
  64   static bool uses_global_page_poll() { return _polling_type == _global_page_poll; }
  65   static bool uses_thread_local_poll() { return _polling_type == _thread_local_poll; }
  66 
  67   static bool supports_thread_local_poll() {
  68 #ifdef THREAD_LOCAL_POLL
  69     return true;
  70 #else
  71     return false;
  72 #endif




  32 
  33 // This is the abstracted interface for the safepoint implementation
  34 class SafepointMechanism : public AllStatic {
  35   enum PollingType {
  36     _global_page_poll,
  37     _thread_local_poll
  38   };
  39   static PollingType _polling_type;
  40   static void* _poll_armed_value;
  41   static void* _poll_disarmed_value;
  42   static void set_uses_thread_local_poll()            { _polling_type     = _thread_local_poll; }
  43 
  44   static void* poll_armed_value()                     { return _poll_armed_value; }
  45   static void* poll_disarmed_value()                  { return _poll_disarmed_value; }
  46 
  47   static inline bool local_poll_armed(JavaThread* thread);
  48 
  49   static inline bool local_poll(Thread* thread);
  50   static inline bool global_poll();
  51 
  52   static void block_if_requested_slow(JavaThread *thread);
  53 
  54   static void default_initialize();
  55 
  56   static void pd_initialize() NOT_AIX({ default_initialize(); });
  57 
  58   // By adding 8 to the base address of the protected polling page we can differentiate
  59   // between the armed and disarmed value by masking out this bit.
  60   const static intptr_t _poll_bit = 8;
  61 public:
  62   static intptr_t poll_bit() { return _poll_bit; }
  63 
  64   static bool uses_global_page_poll() { return _polling_type == _global_page_poll; }
  65   static bool uses_thread_local_poll() { return _polling_type == _thread_local_poll; }
  66 
  67   static bool supports_thread_local_poll() {
  68 #ifdef THREAD_LOCAL_POLL
  69     return true;
  70 #else
  71     return false;
  72 #endif


< prev index next >