{

protected:

#ifdef WIN32

HANDLE obj_list;

mutable std::vector<WSAPOLLFD> poll_events;

#elif POSIX

size_t obj_list;

mutable std::vector<struct ::epoll_event> epoll_events;

#else

#error "Undefine platform"

#endif

public:

SocketList();

bool create(const size_t = 0);

void destroy();

inline bool is_created() const

{

#ifdef WIN32

return INVALID_HANDLE_VALUE != obj_list;

#elif POSIX

return (size_t)~0 != obj_list;

#else

#error "Undefine platform"

#endif

}

bool addSocket(const Socket &);

bool accept(std::vector<Socket> &sockets) const;