/* put a block to ring block buffer object */
void rt_rbb_blk_put(rt_rbb_blk_t block)
/* put a block to ring block buffer object */
void rt_rbb_blk_put(rt_rbb_blk_t block)
{
    RT_ASSERT(block);
    RT_ASSERT(block->status == RT_RBB_BLK_INITED);
    block->status = RT_RBB_BLK_PUT;
}