Varianti

    std::swap<div class="t-tr-text">(Std :: thread)<div class="t-tr-dropdown"><div><div><div class="t-tr-dropdown-arrow-border"></div><div class="t-tr-dropdown-arrow"></div><div class="t-tr-dropdown-h">Original:</div><div class="t-tr-dropdown-orig">(std::thread)</div><div class="t-tr-dropdown-notes">The text has been machine-translated via [http://translate.google.com Google Translate].<br/> You can help to correct and verify the translation. Click [http://en.cppreference.com/w/Cppreference:MachineTranslations here] for instructions.</div></div></div></div></div>

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    <metanoindex/>

     
    C++
     
    Discussione libreria di supporto
    Threads
    Original:
    Threads
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    thread(C++11)
    this_thread spazio dei nomi
    Original:
    this_thread namespace
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    get_id(C++11)
    yield(C++11)
    sleep_for(C++11)
    sleep_until(C++11)
    Mutua esclusione
    Original:
    Mutual exclusion
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    mutex(C++11)
    timed_mutex(C++11)
    Blocco di gestione generico
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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)
    Condizioni variabili
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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
    Membri classi
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    Member classes
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    thread::id
    Membri funzioni
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    Member functions
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    thread::thread
    thread::~thread
    thread::operator=
    Osservatori
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    Observers
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    thread::joinable
    thread::get_id
    thread::native_handle
    thread::hardware_concurrency
    Operazioni
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    Operations
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    thread::join
    thread::detach
    thread::swap
    Non membri funzioni
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    Non-member functions
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    std::swap
     
    <tbody> </tbody>
    void swap( thread &lhs, thread &rhs );
    		 (dal C++11)
    Sovraccarico l'algoritmo std::swap per std::thread. Scambi lo stato di lhs con quella di rhs. Chiama efficacemente lhs.swap(rhs).
    Original:
    Overloads the std::swap algorithm for std::thread. Exchanges the state of lhs with that of rhs. Effectively calls lhs.swap(rhs).
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    Parametri

    lhs, rhs -
    discussioni i cui stati di scambiare
    Original:
    threads whose states to swap
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    Valore di ritorno

    (Nessuno)
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    (none)
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    Eccezioni

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

    Esempio

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

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

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

int main()
{
    std::thread t1(foo);
    std::thread t2(bar);

    std::cout << "thread 1 id: " << t1.get_id() << std::endl;
    std::cout << "thread 2 id: " << t2.get_id() << std::endl;

    std::swap(t1, t2);

    std::cout << "after std::swap(t1, t2):" << std::endl;
    std::cout << "thread 1 id: " << t1.get_id() << std::endl;
    std::cout << "thread 2 id: " << t2.get_id() << std::endl;

    t1.swap(t2);

    std::cout << "after t1.swap(t2):" << std::endl;
    std::cout << "thread 1 id: " << t1.get_id() << std::endl;
    std::cout << "thread 2 id: " << t2.get_id() << std::endl;

    t1.join();
    t2.join();
}

    Output: 

    thread 1 id: 1892
thread 2 id: 2584
after std::swap(t1, t2):
thread 1 id: 2584
thread 2 id: 1892
after t1.swap(t2):
thread 1 id: 1892
thread 2 id: 2584

    Vedi anche
    swap due oggetti filo
    Original:
    swaps two thread objects
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    (metodo pubblico) [modifica]