//-----------------------------------------------
// mutex.h: too restrictive for readers
//-----------------------------------------------

#ifndef mutex_h
#define mutex_h

//-----------------------------------------------

#include <cstddef> // std::size_t
#include <mutex>   // std::mutex

//-----------------------------------------------

class mutex_lock
{
public:
    mutex_lock(std::size_t) {}
    void reader_lock() { mutex.lock(); }
    void reader_unlock() { mutex.unlock(); }
    void writer_lock() { mutex.lock(); }
    void writer_unlock() { mutex.unlock(); }

private:
    std::mutex mutex;
};

//-----------------------------------------------

#endif // mutex_h