// SystemError.hpp

#if !defined(SYSTEM_ERROR_HPP)
#define SYSTEM_ERROR_HPP


#include <stdexcept>
#include <string>


namespace Cipres {


// SystemError
class SystemError : public std::runtime_error {
public:
	SystemError(const std::string &who, const std::string &message, int code) throw();

	~SystemError() throw() { }

	// code
	int code() const throw()
	{
		return m_error_code;
	}

	// what
	const char *what() const throw()
	{
		if(!m_error_message.empty())
			return m_error_message.c_str();
		else
			return runtime_error::what();
	}

private:
	const int m_error_code;
	std::string m_error_message;
};


} // namespace Cipres


#endif // SYSTEM_ERROR_HPP