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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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< cpp‎ | thread‎ | thread

 
 
Thema Support-Bibliothek
Threads
Original:
Threads
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thread(C++11)
this_thread Namespace
Original:
this_thread namespace
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get_id(C++11)
yield(C++11)
sleep_for(C++11)
sleep_until(C++11)
Gegenseitigen Ausschluss
Original:
Mutual exclusion
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mutex(C++11)
timed_mutex(C++11)
Generische Sperrverwaltung
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)
Zustand Variablen
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
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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
Original:
Member classes
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thread::id
Member-Funktionen
Original:
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
 
void swap( thread &lhs, thread &rhs );
(seit C++11)
Überlädt die std::swap Algorithmus für std::thread. Exchanges den Zustand der lhs mit der rhs. Effektiv nennt 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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Inhaltsverzeichnis

[Bearbeiten] Parameter

lhs, rhs -
Themen, deren Zustände zu tauschen
Original:
threads whose states to swap
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[Bearbeiten] Rückgabewert

(None)
Original:
(none)
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[Bearbeiten] Ausnahmen

noexcept specification:  
noexcept
  (seit C++11)

[Bearbeiten] Beispiel

#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

[Bearbeiten] Siehe auch

Swaps zwei Thread-Objekte
Original:
swaps two thread objects
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(öffentliche Elementfunktion) [edit]