Mutex.h

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#ifndef SZA_UTIL_MUTEX_H
#define SZA_UTIL_MUTEX_H

#include <pthread.h>

namespace sza {
  namespace util {
    
    class Mutex {
    public:
      
      Mutex();
      
      virtual ~Mutex();
      
      void lock();

      void unlock();

      bool tryLock();

      bool isLocked();

      inline pthread_mutex_t getPthreadVar() {
        return mutex_;
      }

      inline pthread_mutex_t* getPthreadVarPtr() {
        return &mutex_;
      }

      bool isItMe();

    private:

      pthread_mutex_t mutex_;
      bool mutexIsReady_;
      pthread_t who_;     // The identity of the thread who currently has the lock

    }; // End class Mutex
    
  } // End namespace util
} // End namespace sza



#endif // End #ifndef SZA_UTIL_MUTEX_H