Method TSelectPoller

util/network/pollerimpl.h:421–428

public:
    inline TSelectPoller()
        : Begin_(nullptr)
        , End_(nullptr)
    {
        SocketPair(Signal_);
        SetNonBlock(WaitSock());
        SetNonBlock(SigSock());
    }

    inline ~TSelectPoller() {
        closesocket(Signal_[0]);