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std::thread::join

De cppreference.com
< cpp‎ | thread‎ | thread

 
 
Bibliothèque de support fil
Threads
Original:
Threads
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thread (C++11)
this_thread espace de noms
Original:
this_thread namespace
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get_id (C++11)
yield (C++11)
sleep_for (C++11)
sleep_until (C++11)
L'exclusion mutuelle
Original:
Mutual exclusion
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mutex (C++11)
timed_mutex (C++11)
Gestion du verrouillage générique
Original:
Generic lock management
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lock_guard (C++11)
unique_lock (C++11)
defer_lock_t
try_to_lock_t
adopt_lock_t
(C++11)
(C++11)
(C++11)
lock (C++11)
try_lock (C++11)
defer_lock
try_to_lock
adopt_lock
(C++11)
(C++11)
(C++11)
Les variables de condition
Original:
Condition variables
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condition_variable (C++11)
condition_variable_any (C++11)
notify_all_at_thread_exit (C++11)
cv_status (C++11)
Futures
Original:
Futures
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promise (C++11)
future (C++11)
shared_future (C++11)
packaged_task (C++11)
async (C++11)
launch (C++11)
future_status (C++11)
future_error (C++11)
future_category (C++11)
future_errc (C++11)
 
std::thread
Classes de membres
Original:
Member classes
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thread::id
Les fonctions membres
Original:
Member functions
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thread::thread
thread::~thread
thread::operator=
Des observateurs
Original:
Observers
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thread::joinable
thread::get_id
thread::native_handle
thread::hardware_concurrency
Opérations
Original:
Operations
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thread::join
thread::detach
thread::swap
Tiers fonctions
Original:
Non-member functions
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std::swap
 
void join();
(depuis C++11)
Bloque le thread actuel jusqu'à ce que le thread identifié par *this termine son exécution .
Original:
Blocks the current thread until the thread identified by *this finishes its execution.
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Sommaire

[modifier] Paramètres

(Aucun)
Original:
(none)
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[modifier] Retourne la valeur

(Aucun)
Original:
(none)
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[modifier] Exceptions

std::system_error si joinable() == false ou une erreur se produit .
Original:
std::system_error if joinable() == false or an error occurs.
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[modifier] Exemple

#include <iostream>
#include <thread>
#include <chrono>
 
void foo()
{
    // simulate expensive operation
    std::this_thread::sleep(std::chrono::seconds(1));
}
 
void bar()
{
    // simulate expensive operation
    std::this_thread::sleep(std::chrono::seconds(1));
}
 
int main()
{
    std::cout << "starting first helper...\n";
    std::thread helper1(foo);
 
    std::cout << "starting second helper...\n";
    std::thread helper2(bar);
 
    std::cout << "waiting for helpers to finish...\n";
    helper1.join();
    helper2.join();
 
    std::cout << "done!\n";
}

Résultat :

starting first helper...
starting second helper...
waiting for helpers to finish...
done!

[modifier] Voir aussi

permet au fil d'exécuter indépendamment de la manette fil
Original:
permits the thread to execute independently from the thread handle
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(fonction membre publique) [edit]
vérifie si le fil est joignable, soit potentiellement s'exécute dans un contexte parallèle
Original:
checks whether the thread is joinable, i.e. potentially running in parallel context
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(fonction membre publique) [edit]