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XCEngine/docs/api/threading/mutex/mutex.md
ssdfasd 6a952473ce docs: fix threading module documentation discrepancies
- Fix include paths: use #include "Threading/..." instead of <XCEngine/Threading/...>
- Document protected ITask constructors (ITask(), ITask(TaskPriority))
- Document Callback typedef in TaskGroup
- Clarify Mutex STL-compatible methods are const
- Note GetProgress() implementation limitation (returns 0.0f)
2026-03-19 00:49:08 +08:00

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# Mutex
**命名空间**: `XCEngine::Threading`
**类型**: `class`
**头文件**: `XCEngine/Threading/Mutex.h`
**描述**: 互斥锁封装类,基于 `std::mutex` 实现,提供线程安全的互斥访问。
## 概述
`Mutex` 是对 `std::mutex` 的简单封装,提供了标准的 Lock/Unlock/TryLock 接口。它是 XCEngine 中最基础的同步原语,适用于保护共享数据的访问。
## 公共方法
| 方法 | 描述 |
|------|------|
| [`Lock`](lock.md) | 获取锁(阻塞) |
| [`Unlock`](unlock.md) | 释放锁 |
| [`TryLock`](trylock.md) | 尝试获取锁(非阻塞,成功返回 true |
## STL 兼容方法
支持 `lock()`, `unlock()`, `try_lock()` 以兼容 STL 的 lockable 概念。**注意**:这些方法为 `const` 成员函数。
## 使用示例
```cpp
Threading::Mutex mtx;
int sharedData = 0;
// 线程安全地修改共享数据
void SafeIncrement() {
mtx.Lock();
++sharedData;
mtx.Unlock();
}
// 或使用 TryLock
void SafeTryIncrement() {
if (mtx.TryLock()) {
++sharedData;
mtx.Unlock();
}
}
```
## 相关文档
- [SpinLock](../spinlock/spinlock.md) - 自旋锁
- [ReadWriteLock](../readwritelock/readwritelock.md) - 读写锁
- [TaskSystem](../task-system/task-system.md) - 任务系统
- [../threading/threading.md](../threading.md) - 模块总览