Method close

src/core/impl/comp_node/cuda/comp_node.cpp:832–837

    RAIICloseFD(int fd) : m_fd(fd) {}
    ~RAIICloseFD() { close(); }
    void close() {
        if (m_fd != -1) {
            ::close(m_fd);
            m_fd = -1;
        }
    }
};
// an implementation that does not call cuInit
template <typename Func, typename Val>