< prev index next >

src/hotspot/share/gc/shared/concurrentGCThread.hpp

Print this page

        

*** 23,73 **** */ #ifndef SHARE_GC_SHARED_CONCURRENTGCTHREAD_HPP #define SHARE_GC_SHARED_CONCURRENTGCTHREAD_HPP #include "runtime/thread.hpp" - #include "utilities/macros.hpp" class ConcurrentGCThread: public NamedThread { ! friend class VMStructs; ! ! bool volatile _should_terminate; ! bool _has_terminated; ! ! // Do initialization steps in the thread: record stack base and size, ! // init thread local storage, set JNI handle block. ! void initialize_in_thread(); ! ! // Wait until Universe::is_fully_initialized(); ! void wait_for_universe_init(); ! ! // Record that the current thread is terminating, and will do more ! // concurrent work. ! void terminate(); protected: - // Create and start the thread (setting it's priority.) void create_and_start(ThreadPriority prio = NearMaxPriority); - // Do the specific GC work. Called by run() after initialization complete. virtual void run_service() = 0; ! ! // Shut down the specific GC work. Called by stop() as part of termination protocol. ! virtual void stop_service() = 0; public: ConcurrentGCThread(); ! // Tester ! bool is_ConcurrentGC_thread() const { return true; } virtual void run(); - - // shutdown following termination protocol virtual void stop(); ! bool should_terminate() { return _should_terminate; } ! bool has_terminated() { return _has_terminated; } }; #endif // SHARE_GC_SHARED_CONCURRENTGCTHREAD_HPP --- 23,55 ---- */ #ifndef SHARE_GC_SHARED_CONCURRENTGCTHREAD_HPP #define SHARE_GC_SHARED_CONCURRENTGCTHREAD_HPP + #include "runtime/mutex.hpp" #include "runtime/thread.hpp" class ConcurrentGCThread: public NamedThread { ! private: ! Monitor _monitor; ! volatile bool _should_terminate; ! volatile bool _has_terminated; protected: void create_and_start(ThreadPriority prio = NearMaxPriority); virtual void run_service() = 0; ! virtual void stop_service() = 0; public: ConcurrentGCThread(); ! virtual bool is_ConcurrentGC_thread() const { return true; } virtual void run(); virtual void stop(); ! bool should_terminate(); ! bool has_terminated(); }; #endif // SHARE_GC_SHARED_CONCURRENTGCTHREAD_HPP
< prev index next >