op_exception.h

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#ifndef OP_EXCEPTION_H
#define OP_EXCEPTION_H

#include <stdexcept>
#include <string>


class op_exception : public std::exception {
public:
    explicit op_exception(std::string const& msg);
    ~op_exception() throw() = 0;

    char const * what() const throw();
private:
    std::string message;
};


struct op_fatal_error : op_exception
{
    explicit op_fatal_error(std::string const & msg);
};

struct op_runtime_error : std::runtime_error
{
    explicit op_runtime_error(std::string const & err);
    op_runtime_error(std::string const & err, int cerrno);
    ~op_runtime_error() throw();
};


#endif /* !OP_EXCEPTION_H */