libs/system/Semaphore.h

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#ifndef QRK_SEMAPHORE_H
#define QRK_SEMAPHORE_H

#include <memory>
#include <cstddef>


namespace qrk
{
    class Semaphore
    {
    public:
        explicit Semaphore(size_t initial_value);
        ~Semaphore(void);


        void wait(void);


        bool tryWait(void);


        void post(void);


        size_t value(void);

    private:
        Semaphore(void);
        Semaphore(const Semaphore& rhs);
        Semaphore& operator = (const Semaphore& rhs);

        struct pImpl;
        const std::auto_ptr<pImpl> pimpl;
    };
}

#endif /* !QRK_SEMAPHORE_H */