34 lines
556 B
Markdown
34 lines
556 B
Markdown
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# ReadWriteLock::ReadUnlock
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```cpp
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void ReadUnlock()
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```
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释放读锁。如果这是最后一个读者，将唤醒等待中的写者。
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**参数：** 无
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**返回：** 无
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**复杂度：** O(1)
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**注意：** 必须与 ReadLock 配对使用，且在持有读锁的线程中调用。
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**示例：**
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```cpp
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ReadWriteLock rwLock;
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float sharedData = 0.0f;
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float GetData() {
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rwLock.ReadLock();
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float data = sharedData;
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rwLock.ReadUnlock();
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return data;
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}
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```
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## 相关文档
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- [ReadWriteLock 总览](readwritelock.md) - 返回类总览
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