docs: update memory and threading API docs

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2026-03-20 02:35:24 +08:00
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# SpinLock::lock
```cpp
void lock()
```
STL 兼容的 `lock()` 方法,与 [`Lock`](lock.md) 等效。满足 STL `Lockable` 概念要求。
**参数:**
**返回:**
**复杂度:** 平均 O(1),最坏情况取决于竞争程度
**线程安全:**
**示例:**
```cpp
Threading::SpinLock spinLock;
void STLCompatibleUsage() {
spinLock.lock();
// 临界区操作
spinLock.unlock();
}
```
## 相关文档
- [SpinLock 总览](spinlock.md) - 返回类总览