Method do_recvmsg

net/kernel_socket.cpp:683–685

    }

    ssize_t do_recvmsg(int sockfd, struct msghdr* message, int flags, Timeout timeout) override {
        return fstack_recvmsg(sockfd, message, flags, timeout);
    }

    int setsockopt(int level, int option_name, const void* option_value, socklen_t option_len) override {
        return fstack_setsockopt(fd, level, option_name, option_value, option_len);