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std::promise::set_exception

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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::promise
Member-Funktionen
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Member functions
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promise::promise
promise::~promise
promise::operator=
promise::swap
Erste das Ergebnis
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Getting the result
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promise::get_future
Setzen Sie das Ergebnis
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Setting the result
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promise::set_value
promise::set_value_at_thread_exit
promise::set_exception
promise::set_exception_at_thread_exit
 
void set_exception( std::exception_ptr p );
 (seit C++11)
Speichert die Ausnahme Zeiger p in den gemeinsamen Staat und macht der Staat bereit .
Original:
Stores the exception pointer p into the shared state and makes the state ready.
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Die Operation ist atomar, dh es verhält sich, als ob sie eine einzige Mutex mit dem Versprechen Objekt zugeordnet erwerben während der Aktualisierung das Versprechen Objekt .
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The operation is atomic, i.e. it behaves as though they acquire a single mutex associated with the promise object while updating the promise object.
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Eine Ausnahme wird ausgelöst, wenn es keine gemeinsamen Staat oder die gemeinsamen Staat bereits speichert einen Wert oder eine Ausnahme .
Original:
An exception is thrown if there is no shared state or the shared state already stores a value or exception.
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Inhaltsverzeichnis

[Bearbeiten] Parameter

p -
Ausnahme Zeiger zu speichern
Original:
exception pointer to store
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[Bearbeiten] Rückgabewert

(None)
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(none)
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[Bearbeiten] Ausnahmen

std::future_error auf den folgenden Bedingungen:
Original:
std::future_error on the following conditions:
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  • *this hat keinen gemeinsamen Staat. Der Fehler Kategorie wird no_state gesetzt .
    Original:
    *this has no shared state. The error category is set to no_state.
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  • Der gemeinsame Staat bereits speichert einen Wert oder Ausnahme. Der Fehler Kategorie wird promise_already_satisfied gesetzt .
    Original:
    The shared state already stores a value or exception. The error category is set to promise_already_satisfied.
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[Bearbeiten] Beispiel

This section is incomplete
Reason: no example

[Bearbeiten] Siehe auch
legt das Ergebnis an eine Ausnahme geben, während es die Mitteilung nur zu Threadendes
Original:
sets the result to indicate an exception while delivering the notification only at thread exit
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