std::this_thread::get_id

来自cppreference.com
< cpp‎ | thread
定义于头文件 <thread>
std::thread::id get_id() noexcept;
(C++11 起)

返回当前线程的 id

目录

[编辑] 参数

(无)

[编辑] 返回值

当前线程的 id

[编辑] 示例

#include <iostream>
#include <thread>
#include <chrono>
#include <mutex>
 
std::mutex g_display_mutex;
 
void foo()
{
    std::thread::id this_id = std::this_thread::get_id();
 
    g_display_mutex.lock();
    std::cout << "thread " << this_id << " sleeping...\n";
    g_display_mutex.unlock();
 
    std::this_thread::sleep_for(std::chrono::seconds(1));
}
 
int main()
{
    std::thread t1(foo);
    std::thread t2(foo);
 
    t1.join();
    t2.join();
}

可能的输出:

thread 0x2384b312 sleeping...
thread 0x228a10fc sleeping...

[编辑] 参阅

(C++11)
返回线程的 id
(std::thread 的公开成员函数) [编辑]
thrd_currentC 文档