Espaces de noms
Variantes

    std::thread::joinable

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    <metanoindex/>

     
    C++
     
    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
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    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
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    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
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    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
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    Operations
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    thread::join
    thread::detach
    thread::swap
    Tiers fonctions
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    Non-member functions
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    std::swap
     
    <tbody> </tbody>
    bool joinable();
    		 (depuis C++11)
    Vérifie si l'objet thread identifie un thread actif de l'exécution. Plus précisément, les rendements true si get_id() != std::thread::id() .
    Original:
    Checks if the thread object identifies an active thread of execution. Specifically, returns true if get_id() != std::thread::id().
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    Paramètres

    (Aucun)
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    (none)
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    Retourne la valeur

    true si l'objet thread identifie un thread actif de l'exécution, false autrement
    Original:
    true if the thread object identifies an active thread of execution, false otherwise
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    Exceptions

    noexcept specification:  
    <tbody> </tbody>
    noexcept
       (depuis C++11)

    Exemple

    #include <iostream>
#include <thread>
#include <chrono>

void foo()
{
    std::this_thread::sleep_for(std::chrono::seconds(1));
}

int main()
{
    std::thread t;
    std::cout << "before starting, joinable: " << t.joinable() << '\n';

    t = std::thread(foo);
    std::cout << "after starting, joinable: " << t.joinable() << '\n';

    t.join();
}

    Résultat : 

    before starting, joinable: 0
after starting, joinable: 1

    Voir aussi
    retourne l'identifiant du thread
    Original:
    returns the id of the thread
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    (fonction membre publique) [edit]
    attend la fin d’exécution d'un thread
    Original:
    waits for a thread to finish its execution
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    (fonction membre publique) [edit]
    permet au thread de s'exécuter indépendamment de son handle
    Original:
    permits the thread to execute independently from the thread handle
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    (fonction membre publique) [edit]