Method CancelWaitImpl

library/cpp/netliba/socket/socket.cpp:514–523

    }

    void TAbstractSocket::CancelWaitImpl(const sockaddr_in6* address) {
        Y_ASSERT(IsValid());

        // darwin ignores packets with msg_iovlen == 0, also windows implementation uses sendto of first iovec.
        TIoVec v = CreateIoVec(nullptr, 0);
        TMsgHdr hdr = CreateSendMsgHdr((address ? *address : SelfAddress), v, nullptr);

        // send self fake packet
        TAbstractSocket::SendMsg(&hdr, 0, FF_ALLOW_FRAG);
    }

    ssize_t TAbstractSocket::RecvMsgImpl(TMsgHdr* hdr, int flags) {
        Y_ASSERT(IsValid());