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

   228 class PlatformMonitor : public CHeapObj<mtInternal> {

   229  private:

   230   pthread_mutex_t _mutex; // Native mutex for locking

   231   pthread_cond_t  _cond;  // Native condition variable for blocking

   232 

   233  public:

   234   PlatformMonitor();

   235   ~PlatformMonitor();

   236   void lock();

   237   void unlock();

   238   bool try_lock();

   239   int wait(jlong millis);

   240   void notify();

   241   void notify_all();

   242 };

   243