#ifndef _MTX_LOCK_
#define _MTX_LOCK_

#include <pthread.h>

class MtxLock {
   pthread_mutex_t& m_;
public:
  inline MtxLock( pthread_mutex_t& m) : m_( m ) { pthread_mutex_lock( &m_ ); }
  inline ~MtxLock() { pthread_mutex_unlock( &m_ ); }
  inline int Lock() {  return pthread_mutex_lock( &m_ ); }
  inline int Unlock() { return pthread_mutex_unlock( &m_ ); }
};


#endif