std::this_thread::get_id (3) Linux Manual Page
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:
See also
get_id (public member function of std::thread)