fix: improve doc link navigation and tree display
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docs/api/threading/mutex/lock.md
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docs/api/threading/mutex/lock.md
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# Mutex::Lock
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```cpp
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void Lock()
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```
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获取互斥锁。如果锁已被其他线程持有,则阻塞当前线程直到锁可用。
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**参数:** 无
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**返回:** 无
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**复杂度:** 平均 O(1),最坏情况 O(n),n 为竞争线程数
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**注意:**
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- 同一线程不可重复 Lock 同一个 Mutex(会导致死锁)。
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- 建议使用 RAII 封装(如 std::lock_guard)自动管理锁的释放。
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**示例:**
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```cpp
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Threading::Mutex mtx;
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int counter = 0;
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void Increment() {
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mtx.Lock();
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++counter;
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mtx.Unlock();
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}
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```
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## 相关文档
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- [Mutex 总览](mutex.md) - 返回类总览
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