// Blocker.h

#ifndef BLOCKER_H
#define BLOCKER_H

#include <OS.h>

class Blocker {
public:
                                                                Blocker();
                                                                Blocker(sem_id semaphore);
                                                                Blocker(const Blocker& other);
                                                                ~Blocker();

                        status_t                        InitCheck() const;

                        status_t                        PrepareForUse();

                        status_t                        Block(int32* userData = NULL);
                        status_t                        Unblock(int32 userData = 0);

                        Blocker&                        operator=(const Blocker& other);
                        bool                            operator==(const Blocker& other) const;
                        bool                            operator!=(const Blocker& other) const;

private:
                        void                            _Unset();

private:
                        struct Data;

                        Data*                           fData;
};

#endif  // BLOCKER_H