Method IsSendMMsgSupported

library/cpp/netliba/socket/socket.cpp:343–345

    }

    bool TAbstractSocket::IsSendMMsgSupported() const {
        return SendMMsgFunc != nullptr;
    }

    int TAbstractSocket::SendMMsg(TMMsgHdr* msgvec, unsigned int vlen, unsigned int flags) {
        Y_ASSERT(IsValid());