Function lwp_channel_close

components/lwp/lwp_ipc.c:1141–1172

}

rt_err_t lwp_channel_close(int fdt_type, int fd)
{
    rt_channel_t ch;
    struct dfs_file *d;
    struct dfs_vnode *vnode;

    d = lwp_fd_get(fdt_type, fd);
    if (!d)
    {
        return -RT_EIO;
    }

    vnode = d->vnode;
    if (!vnode)
    {
        return -RT_EIO;
    }

    ch = fd_2_channel(fdt_type, fd);
    if (!ch)
    {
        return -RT_EIO;
    }
    _chfd_free(fd, fdt_type);
    if (vnode->ref_count == 1)
    {
        rt_free(vnode);
        return rt_raw_channel_close(ch);
    }

    return 0;
}

rt_err_t lwp_channel_send(int fdt_type, int fd, rt_channel_msg_t data)
{