#ifndef LOCK_AND_SIGNAL_H
#define LOCK_AND_SIGNAL_H

class lock_and_signal {
#if defined(__WIN32__)
    HANDLE _event;
    CRITICAL_SECTION _cs;
#else
    pthread_cond_t _cond;
    pthread_mutex_t _mutex;
#endif
public:
    lock_and_signal();
    virtual ~lock_and_signal();

    void lock();
    void unlock();
    void wait();
    void timed_wait(size_t timeout_in_ns);
    void signal();
    void signal_all();
};

#endif /* LOCK_AND_SIGNAL_H */