std::this_thread::get_id

Defined in header <thread>

1	`std::thread::id get_id();`

(since C++11)

Returns the id of the current thread.

Parameters

(none).

Return value

id of the current thread.

Example

#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...

std::this_thread::get_id

Parameters

Return value

Example

See also