Author(s): Eyasu Tadese M., T.E. Ada, K.N. Nigussa, Cecil N.M. Ouma
union object_info *free_list[num_classes] = {0};
。业内人士推荐WPS官方版本下载作为进阶阅读
Forgetting releaseLock() permanently breaks the stream. The locked property tells you that a stream is locked, but not why, by whom, or whether the lock is even still usable. Piping internally acquires locks, making streams unusable during pipe operations in ways that aren't obvious.
Before diving into API design, it's worth asking: what is a stream?