195 

   195 

   196 #define assert_not_at_safepoint_msg(...)                                \

   196 #define assert_not_at_safepoint_msg(...)                                \

   197   assert(!SafepointSynchronize::is_at_safepoint(), __VA_ARGS__)

   197   assert(!SafepointSynchronize::is_at_safepoint(), __VA_ARGS__)

   198 

   198 

   199 // State class for a thread suspended at a safepoint

   199 // State class for a thread suspended at a safepoint

   201  private:

   201  private:

   202   // At polling page safepoint (NOT a poll return safepoint):

   202   // At polling page safepoint (NOT a poll return safepoint):

   203   volatile bool                   _at_poll_safepoint;

   203   volatile bool                   _at_poll_safepoint;

   204   JavaThread*                     _thread;

   204   JavaThread*                     _thread;

   205   bool                            _safepoint_safe;

   205   bool                            _safepoint_safe;