Mutex.h

#ifndef _Belle2_Mutex_hh
#define _Belle2_Mutex_hh
 
#include <pthread.h>
 
namespace Belle2 {
  class Mutex {
 
    friend class Cond;
 
    // constructors & destructors
  public:
    Mutex();
    ~Mutex();
 
    // member methods
  public:
    bool lock();
    bool unlock();
 
    // member data
  private:
    pthread_mutex_t m_mu;
    pthread_mutexattr_t m_attr;
 
  };
 
}
 
#endif