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std::thread::hardware_concurrency

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< cpp‎ | thread‎ | thread

 
 
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
 
static unsigned hardware_concurrency();
(seit C++11)
Gibt die Anzahl der gleichzeitigen Threads durch die Umsetzung unterstützt. Der Wert sollte nur ein Hinweis betrachtet werden .
Original:
Returns number of concurrent threads supported by the implementation. The value should be considered only a hint.
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Inhaltsverzeichnis

[Bearbeiten] Parameter

(None)
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(none)
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[Bearbeiten] Rückgabewert

Anzahl der gleichzeitigen Threads unterstützt. Wenn der Wert nicht genau definiert ist oder nicht berechenbar, kehrt 0 .
Original:
number of concurrent threads supported. If the value is not well defined or not computable, returns 0.
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[Bearbeiten] Ausnahmen

noexcept specification:  
noexcept
  (seit C++11)

[Bearbeiten] Beispiel