Function fdt_fd_release

components/dfs/dfs_v2/src/dfs.c:350–369

* @brief Release a file descriptor from the file descriptor table * * @param[in,out] fdt Pointer to the file descriptor table * @param[in] fd The file descriptor to be released */

 * @param[in] fd The file descriptor to be released
 */
void fdt_fd_release(struct dfs_fdtable *fdt, int fd)
{
    if (fd < fdt->maxfd)
    {
        struct dfs_file *file;

        file = fdt_get_file(fdt, fd);

        if (file && file->ref_count == 1)
        {
            dfs_file_destroy(file);
        }
        else
        {
            rt_atomic_sub(&(file->ref_count), 1);
        }

        fdt->fds[fd] = RT_NULL;
    }
}

/**
 * @ingroup group_fs_file_descriptor