190 // Platform specific implementation that underpins VM Monitor/Mutex class

   191 class PlatformMonitor : public CHeapObj<mtInternal> {

   192  private:

   193   CRITICAL_SECTION   _mutex; // Native mutex for locking

   194   CONDITION_VARIABLE _cond;  // Native condition variable for blocking

   195 

   196  public:

   197   PlatformMonitor();

   198   ~PlatformMonitor();

   199   void lock();

   200   void unlock();

   201   bool try_lock();

   202   int wait(jlong millis);

   203   void notify();

   204   void notify_all();

   205 };

   206