Namespaces
Variants

std::this_thread:: get_id

From cppreference.net
C++
Concurrency support library
Threads
(C++11)
(C++20)
(C++17) (C++17)
this_thread namespace
get_id
(C++11)
(C++11)
Cooperative cancellation
Mutual exclusion
Generic lock management
Condition variables
(C++11)
(C++11)
(C++11)
(C++11)
Semaphores
(C++20) (C++20)
Latches and Barriers
(C++20)
(C++20)
Futures
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
Safe reclamation
Hazard pointers
(C++26)
(C++26)
(C++26)
Atomic types
(C++11)
(C++20)
(C++11)
Initialization of atomic types
(C++11) (deprecated in C++20)
(C++11) (deprecated in C++20)
(C++11)
Memory ordering
(C++11)
(C++11) (deprecated in C++26)
(C++11)
(C++11)
Free functions for atomic operations
(C++11) (C++11)
(C++11) (C++11)
(C++11) (C++11)
(C++11) (C++11) (C++11) (C++11)
(C++11) (C++11)
(C++11) (C++11)
(C++11) (C++11)
(C++11) (C++11)
(C++11) (C++11)
(C++26) (C++26)
(C++26) (C++26)
(C++11)
(C++20) (C++20)
(C++20)
(C++20)
Free functions for atomic flags
(C++11) (C++11)
(C++11) (C++11)
(C++20) (C++20)
(C++20) (C++20)
(C++20)
(C++20)
Défini dans l'en-tête <thread>
std:: thread :: id get_id ( ) noexcept ;
(depuis C++11)

Retourne l' id du thread actuel.

Table des matières

Paramètres

(aucun)

Valeur de retour

id du thread actuel.

Exemple

Exécuter ce code 
#include <chrono>
#include <iostream>
#include <syncstream>
#include <thread>
using namespace std::chrono_literals;
void foo()
{
    std::thread::id this_id = std::this_thread::get_id();
    std::osyncstream(std::cout) << "thread " << this_id << " sleeping...\n";
    std::this_thread::sleep_for(500ms);
}
int main()
{
    std::jthread t1{foo};
    std::jthread t2{foo};
}

Sortie possible : 

thread 140113018054400 sleeping...
thread 140113009661696 sleeping...

Voir aussi

retourne l' id du thread
(fonction membre publique de std::thread )
Documentation C pour thrd_current