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.
'Taking in my grandchildren has left me penniless'
。关于这个话题，搜狗输入法2026提供了深入分析
第八十九条 饲养动物，干扰他人正常生活的，处警告；警告后不改正的，或者放任动物恐吓他人的，处一千元以下罚款。
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