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std::unexpected_handler

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C++
 
Utilità libreria
Tipo di supporto (basic types, RTTI, type traits)
Gestione della memoria dinamica
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Programma di utilità
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Data e ora
Funzione oggetti
initializer_list(C++11)
bitset
hash(C++11)
Gli operatori relazionali
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Relational operators
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rel_ops::operator!=
rel_ops::operator>
rel_ops::operator<=
rel_ops::operator>=
Coppie e tuple
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Pairs and tuples
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pair
tuple(C++11)
piecewise_construct_t(C++11)
piecewise_construct(C++11)
Swap, in avanti e spostare
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Swap, forward and move
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swap
forward(C++11)
move(C++11)
move_if_noexcept(C++11)
declval(C++11)
 
La gestione degli errori
Gestione delle eccezioni
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Exception handling
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exception
uncaught_exception
exception_ptr(C++11)
make_exception_ptr(C++11)
current_exception(C++11)
rethrow_exception(C++11)
nested_exception(C++11)
throw_with_nested(C++11)
rethrow_if_nested(C++11)
Gestione delle eccezioni fallimenti
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Exception handling failures
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terminate
terminate_handler
get_terminate(C++11)
set_terminate
unexpected(deprecato)
bad_exception
unexpected_handler(deprecato)
get_unexpected(C++11)(deprecato)
set_unexpected(deprecato)
Eccezione categorie
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Exception categories
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logic_error
invalid_argument
domain_error
length_error
out_of_range
runtime_error
range_error
overflow_error
underflow_error
Codici di errore
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Error codes
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Codici di errore
errno
Asserzioni
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Assertions
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assert
impianto system_error
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system_error facility
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error_category(C++11)
generic_category(C++11)
system_category(C++11)
error_condition(C++11)
errc(C++11)
error_code(C++11)
system_error(C++11)
 
Elemento definito nell'header <exception>
typedef void (*unexpected_handler)();
 (deprecato)
std::unexpected_handler è il tipo di puntatore a funzione (puntatore a funzione che non accetta argomenti e restituisce void), che viene installato e interrogato dalle funzioni std::set_unexpected e std::get_unexpected e chiamato da std::unexpected.
Original:
std::unexpected_handler is the function pointer type (pointer to function that takes no arguments and returns void), which is installed and queried by the functions std::set_unexpected and std::get_unexpected and called by std::unexpected.
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Il C + + fornisce una implementazione di default funzione std::unexpected_handler, che chiama std::terminate(). Se il valore del puntatore nullo è installato (per mezzo di std::set_terminate), l'implementazione può ripristinare il gestore predefinito, invece.
Original:
The C++ implementation provides a default std::unexpected_handler function, which calls std::terminate(). If the null pointer value is installed (by means of std::set_terminate), the implementation may restore the default handler instead.
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A std::unexpected_handler definito dall'utente si prevede di terminare il programma e per generare un'eccezione se viene generata un'eccezione, una delle seguenti tre situazioni si possono incontrare:....
Original:
A user-defined std::unexpected_handler is expected to either terminate the program or throw an exception. If it throws an exception, one of the following three situations may be encountered:
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1)
l'eccezione generata da std::unexpected_handler soddisfa la specifica dinamica eccezione che è stato violato in precedenza la nuova eccezione è consentita per sfuggire alla funzione e impilare svolgimento continua.
Original:
the exception thrown by std::unexpected_handler satisfies the dynamic exception specification that was violated earlier. The new exception is allowed to escape the function and stack unwinding continues.
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2)
l'eccezione generata da std::unexpected_handler viola ancora la specifica eccezione:...
Original:
the exception thrown by std::unexpected_handler still violates the exception specification:
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2a), tuttavia, la specifica eccezione consente std::bad_exception: l'oggetto eccezione generata viene distrutto, e std::bad_exception è costruito dal runtime C + + e gettati invece.
Original:
2a) however, the exception specification allows std::bad_exception: the thrown exception object is destroyed, and std::bad_exception is constructed by the C++ runtime and thrown instead.
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2b) la specifica eccezione non consente std::bad_exception: std::terminate() si chiama.
Original:
2b) the exception specification does not allow std::bad_exception: std::terminate() is called.
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[modifica] Vedi anche

(deprecato)
funzione chiamata quando specifica eccezione dinamica è violata
Original:
function called when dynamic exception specification is violated
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(funzione) [modifica]
(deprecato)
cambia la funzione di essere chiamato da std::unexpected
Original:
changes the function to be called by std::unexpected
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(funzione) [modifica]
(C++11)(deprecato)
ottiene il unexpected_handler corrente
Original:
obtains the current unexpected_handler
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(funzione) [modifica]
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