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std::system_error::system_error

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< cpp‎ | error‎ | system error

 
 
 
Erreur de manipulation
La gestion des exceptions
Original:
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)
Défaillances de gestion des exceptions
Original:
Exception handling failures
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terminate
terminate_handler
get_terminate (C++11)
set_terminate
unexpected (obsolète)
bad_exception
unexpected_handler (obsolète)
get_unexpected (C++11) (obsolète)
set_unexpected (obsolète)
Catégories d'exception
Original:
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
Les codes d'erreur
Original:
Error codes
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Les codes d'erreur
errno
Les assertions
Original:
Assertions
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assert
system_error installation
Original:
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)
 
std::system_error
Les fonctions membres
Original:
Member functions
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system_error::system_error
system_error::code
system_error::what
 
system_error( std::error_code ec );
(1) (depuis C++11)
system_error( std::error_code ec, const std::string& what_arg );
(2) (depuis C++11)
system_error( std::error_code ec, const char* what_arg );
(2) (depuis C++11)
system_error( int ev, const std::error_category& ecat
(3) (depuis C++11)
system_error( int ev, const std::error_category& ecat,
              const std::string& what_arg);
(4) (depuis C++11)
system_error( int ev, const std::error_category& ecat,
              const char* what_arg);
(4) (depuis C++11)
Construit un nouvel objet erreur du système .
Original:
Constructs new system error object.
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1)
Constructions avec ec code d'erreur
Original:
Constructs with error code ec
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2)
Constructions avec ec code d'erreur et what_arg chaîne explication. La chaîne renvoyée par what() est garanti pour contenir what_arg .
Original:
Constructs with error code ec and explanation string what_arg. The string returned by what() is guaranteed to contain what_arg.
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3)
Constructions avec ev code d'erreur sous-jacente et de la catégorie d'erreur associé ecat .
Original:
Constructs with underlying error code ev and associated error category ecat.
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4)
Constructions avec ev code d'erreur sous-jacent, associée ecat catégorie d'erreur et what_arg chaîne explicative. La chaîne renvoyée par what() est garanti pour contenir what_arg .
Original:
Constructs with underlying error code ev, associated error category ecat and explanatory string what_arg. The string returned by what() is guaranteed to contain what_arg.
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[modifier] Paramètres

ec -
code d'erreur
Original:
error code
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ev -
code d'erreur dans le codage de base
Original:
error code in base encoding
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ecat -
la catégorie d'erreur
Original:
the category of error
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what_arg -
chaîne explicative
Original:
explanatory string
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[modifier] Exemple

Montre comment créer une exception system_error d'une valeur de errno
Original:
Demonstrates how to create a system_error exception from a errno value
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#include <iostream>
#include <system_error>
 
int main()
{
    try
    {
        throw std::system_error(EDOM, std::system_category());
    }
    catch (const std::system_error& error)
    {
        std::cout << "Error: " << error.code()
                  << " - " << error.code().message() << '\n';
    }
}

Résultat :

Error: system:33 - Numerical argument out of domain