Function WriteVectorD

library/cpp/coroutine/engine/network.cpp:158–184

    TContIOStatus WriteVectorD(TCont* cont, SOCKET fd, TContIOVector* vec, TInstant deadline) noexcept {
        size_t written = 0;

        while (!vec->Complete()) {
            ssize_t res = DoWriteVector(fd, vec);

            if (res >= 0) {
                written += res;

                vec->Proceed((size_t) res);
            } else {
                {
                    const int err = LastSystemError();

                    if (!IsBlocked(err)) {
                        return TContIOStatus(written, err);
                    }
                }

                if ((res = PollD(cont, fd, CONT_POLL_WRITE, deadline)) != 0) {
                    return TContIOStatus(written, (int) res);
                }
            }
        }

        return TContIOStatus::Success(written);
    }

    TContIOStatus WriteVectorT(TCont* cont, SOCKET fd, TContIOVector* vec, TDuration timeOut) noexcept {
        return WriteVectorD(cont, fd, vec, timeOut.ToDeadLine());