std::this_thread::get_id (3) - Linux Man Pages

std::this_thread::get_id: std::this_thread::get_id

NAME

std::this_thread::get_id - std::this_thread::get_id

Synopsis


Defined in header <thread>
std::thread::id get_id() noexcept; (since C++11)


Returns the id of the current thread.

Parameters


(none)

Return value


id of the current thread

Example


// Run this code


  #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();
  }

Possible output:


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

See also


       returns the id of the thread
get_id (public member function of std::thread)