diff --git a/docs/cpp.md b/docs/cpp.md index 097c93e..92848d0 100644 --- a/docs/cpp.md +++ b/docs/cpp.md @@ -626,6 +626,71 @@ std::for_each(vec.begin(), vec.end(), [](int& ele) -> void }); ``` +## C++多线程 + +> g++编译选项:`std=c++11` +> +> 包含头文件: +> +> + `#include `:C++多线程库 +> + `#include `:C++互斥量库 + +### 线程的创建 + +以普通函数作为线程入口函数: + +```c++ +void thread_entry_function_1() { } +void thread_entry_function_2(int val) { } + +std::thread my_thread_1(thread_entry_function_1); +std::thread my_thread_2(thread_entry_function_2, 5); +``` + +以类对象作为线程入口函数: + +```c++ +class Entry +{ + void operator()() { } + void entry_function() { } +}; + +Entry entry; +// 调用operator()() +std::thread my_thread_1(entry); +// 调用Entry::entry_function +std::thread my_thread_2(&Entry::entry_function, &entry); +``` + +以lambda表达式作为线程入口函数: + +```c++ +std::thread my_thread([]() -> void + { + // ... + }); +``` + +### 线程的销毁 + +```c++ +thread my_thread; +// 阻塞 +my_thread.join(); +// 非阻塞 +my_thread.detach(); +``` + +### `this_thread` + +```c++ +std::this_thread::get_id(); // 获取当前线程ID +std::this_thread::sleep_for(); // 使当前线程休眠一段指定时间 +std::this_thread::sleep_until();// 使当前线程休眠到指定时间 +std::this_thread::yield(); // 暂停当前线程的执行,让别的线程执行 +``` + C++ 预处理器 ------------