canceller.h

#pragma once
 
#include <memory>
 
#include <fdr/error.h>
 
namespace FDR
{
class CancelledError : public Error
{
public:
    CancelledError();
};
 
class Canceller
{
public:
    Canceller();
    ~Canceller();
 
    Canceller(const Canceller&) = delete;
    Canceller& operator=(const Canceller&) = delete;
 
    bool cancelled() const;
 
    void cancel();
 
private:
    struct Data;
    std::unique_ptr<Data> data;
 
    friend struct CancellerHelper;
};
 
}  // end FDR