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    <metanoindex/>

     
    C++
     
    Thema Support-Bibliothek
    Threads
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    Threads
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    thread(C++11)
    this_thread Namespace
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    this_thread namespace
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    get_id(C++11)
    yield(C++11)
    sleep_for(C++11)
    sleep_until(C++11)
    Gegenseitigen Ausschluss
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    Mutual exclusion
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    mutex(C++11)
    timed_mutex(C++11)
    Generische Sperrverwaltung
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    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)
    Zustand Variablen
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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
    Mitglied Klassen
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    Member classes
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    thread::id
    Member-Funktionen
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    Member functions
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    thread::thread
    thread::~thread
    thread::operator=
    Beobachter
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    Observers
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    thread::joinable
    thread::get_id
    thread::native_handle
    thread::hardware_concurrency
    Operations
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    Operations
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    thread::join
    thread::detach
    thread::swap
    Non-Member-Funktionen
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    Non-member functions
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    std::swap
     
    <tbody> </tbody>
    bool joinable();
    		 (seit C++11)
    Prft, ob der Thread-Objekt identifiziert einen aktiven Thread der Ausfhrung. Insbesondere kehrt true wenn get_id() != std::thread::id() .
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    Checks if the thread object identifies an active thread of execution. Specifically, returns true if get_id() != std::thread::id().
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    Parameter

    (None)
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    (none)
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    Rckgabewert

    true wenn das Thread-Objekt eine aktive Thread der Ausfhrung identifiziert, false anders
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    true if the thread object identifies an active thread of execution, false otherwise
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    Ausnahmen

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

    Beispiel

    #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();
}

    Output: 

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

    Siehe auch

    		 liefert die ID des Threads
    (ffentliche Elementfunktion) [edit]
    		warten, bis ein Thread seine Ausfhrung beendet
    (ffentliche Elementfunktion) [edit]
    		Thread lsen, so dass er unabhngig vom Thread Handle ausgefhrt werden kann
    (ffentliche Elementfunktion) [edit]
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