src/share/vm/compiler/abstractCompiler.hpp

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@@ -25,26 +25,29 @@
 #ifndef SHARE_VM_COMPILER_ABSTRACTCOMPILER_HPP
 #define SHARE_VM_COMPILER_ABSTRACTCOMPILER_HPP
 
 #include "ci/compilerInterface.hpp"
 
-typedef void (*initializer)(void);
-
 class AbstractCompiler : public CHeapObj<mtCompiler> {
  private:
-  bool _is_initialized; // Mark whether compiler object is initialized
+  volatile int _num_compiler_threads;
 
  protected:
+  volatile int _compiler_state;
   // Used for tracking global state of compiler runtime initialization
-  enum { uninitialized, initializing, initialized };
+  enum { uninitialized, initializing, initialized, failed, shutting_shown, shut_down };
 
-  // This method will call the initialization method "f" once (per compiler class/subclass)
-  // and do so without holding any locks
-  void initialize_runtimes(initializer f, volatile int* state);
+  // This method returns true for the first compiler thread that reaches that methods.
+  // This thread will initialize the compiler runtime.
+  bool should_perform_init();
 
  public:
-  AbstractCompiler() : _is_initialized(false)    {}
+  AbstractCompiler() : _compiler_state(uninitialized), _num_compiler_threads(0) {}
+
+  // This function determines the compiler thread that will perform the
+  // shutdown of the corresponding compiler runtime.
+  bool should_perform_shutdown();
 
   // Name of this compiler
   virtual const char* name() = 0;
 
   // Missing feature tests

@@ -72,21 +75,22 @@
   bool is_shark()                                { return true; }
 #endif // SHARK
 #endif // TIERED
 
   // Customization
-  virtual bool needs_stubs            ()         = 0;
-
-  void mark_initialized()                        { _is_initialized = true; }
-  bool is_initialized()                          { return _is_initialized; }
+  virtual void initialize () = 0;
 
-  virtual void initialize()                      = 0;
+  void set_num_compiler_threads(int num) { _num_compiler_threads = num;  }
+  int num_compiler_threads()             { return _num_compiler_threads; }
 
+  // Get/set state of compiler objects
+  bool is_initialized     ()       { return _compiler_state == initialized; }
+  bool should_exit()               { return (_compiler_state == failed || _compiler_state == shutting_shown) ? true : false; }
+  void set_state          (int state);
+  void set_shut_down() { set_state(shut_down); }
   // Compilation entry point for methods
-  virtual void compile_method(ciEnv* env,
-                              ciMethod* target,
-                              int entry_bci) {
+  virtual void compile_method(ciEnv* env, ciMethod* target, int entry_bci) {
     ShouldNotReachHere();
   }
 
 
   // Print compilation timers and statistics