C++11 this_thread::get_id(9)

原文地址：http://www.cplusplus.com/reference/thread/this_thread/get_id/

function

<thread>

std::this_thread::get_id

thread::id get_id() noexcept;

Get thread id

Returns the thread id of the calling thread.

返回当前调用的线程ID。

This value uniquely identifies the thread.
该值独一地标识了一个线程。

Parameters

none

Return value

An object of member type thread::id that uniquely identifies the thread.
返回一个线程ID值独一地标识了一个线程。

Example

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// thread::get_id / this_thread::get_id#include <iostream>       // std::cout#include <thread>         // std::thread, std::thread::id, std::this_thread::get_id#include <chrono>         // std::chrono::seconds std::thread::id main_thread_id = std::this_thread::get_id();//设置为全局所以该ID是主线程的IDvoid is_main_thread() {  if ( main_thread_id == std::this_thread::get_id() )    std::cout << "This is the main thread.\n";  else    std::cout << "This is not the main thread.\n";}int main() {  is_main_thread();  std::thread th (is_main_thread);  th.join();}

Edit & Run

Output:

This is the main thread.This is not the main thread.

Exception safety

No-throw guarantee: never throws exceptions.

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转载请注明出处：http://blog.csdn.net/qq844352155

author:天下无双

Email:[e-mail]

2014-9-4

于GDUT

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