118 
119   void verify();
120 
121   // Performance measurement
122   static PerfCounter* perf_accumulated_vm_operation_time() {
123     return _perf_accumulated_vm_operation_time;
124   }
125 
126   // Entry for starting vm thread
127   virtual void run();
128 
129   // Creations/Destructions
130   static void create();
131   static void destroy();
132 
133   static void wait_until_executed(VM_Operation* op);
134 
135   // Printing
136   const char* type_name() const { return "VMThread"; }
137 



138  private:
139   // VM_Operation support
140   static VM_Operation*     _cur_vm_operation;   // Current VM operation
141   static VM_Operation*     _next_vm_operation;  // Next VM operation
142 
143   bool set_next_operation(VM_Operation *op);    // Set the _next_vm_operation if possible.
144 
145   // Pointer to single-instance of VM thread
146   static VMThread*     _vm_thread;



147 };
148 
149 #endif // SHARE_RUNTIME_VMTHREAD_HPP

118 
119   void verify();
120 
121   // Performance measurement
122   static PerfCounter* perf_accumulated_vm_operation_time() {
123     return _perf_accumulated_vm_operation_time;
124   }
125 
126   // Entry for starting vm thread
127   virtual void run();
128 
129   // Creations/Destructions
130   static void create();
131   static void destroy();
132 
133   static void wait_until_executed(VM_Operation* op);
134 
135   // Printing
136   const char* type_name() const { return "VMThread"; }
137 
138   static void init_counters();
139   static void print_counters_on(outputStream* st);
140 
141  private:
142   // VM_Operation support
143   static VM_Operation*     _cur_vm_operation;   // Current VM operation
144   static VM_Operation*     _next_vm_operation;  // Next VM operation
145 
146   bool set_next_operation(VM_Operation *op);    // Set the _next_vm_operation if possible.
147 
148   // Pointer to single-instance of VM thread
149   static VMThread*     _vm_thread;
150 
151   static PerfTickCounters* get_perf_timer_for(VM_Operation* op);
152   static PerfCounter* get_perf_counter_for(VM_Operation* op);
153 };
154 
155 #endif // SHARE_RUNTIME_VMTHREAD_HPP