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    std::system_error

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    <metanoindex/>

     
    C++
     
    Bibliothque d'utilitaires
     
    Erreur de manipulation
    La gestion des exceptions
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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)
    Dfaillances de gestion des exceptions
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    Exception handling failures
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    terminate
    terminate_handler
    get_terminate (C++11)
    set_terminate
    unexpected (obsolte)
    bad_exception
    unexpected_handler (obsolte)
    get_unexpected (C++11) (obsolte)
    set_unexpected (obsolte)
    Catgories d'exception
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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
    Les codes d'erreur
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    Error codes
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    Les codes d'erreur
    errno
    Les assertions
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    Assertions
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    assert
    system_error installation
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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)
     
    <tbody> </tbody>
    Dclar dans l'en-tte <system_error>
    class system_error;
    		 (depuis C++11)
    std::system_error est le type de l'exception leve par plusieurs fonctions de bibliothques (gnralement les fonctions d'interface avec le systme d'exploitation des installations, par exemple le constructeur de std::thread), lorsque l'exception a un std::error_code associ qui doit tre signal .
    Original:
    std::system_error is the type of the exception thrown by various library functions (typically the functions that interface with the OS facilities, e.g. the constructor of std::thread), when the exception has an associated std::error_code which needs to be reported.
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    std-system_error-inheritance.svg [std-system_error-inheritance.svg]

    Inheritance diagram

    Fonctions membres
    construit l'objet system_error
    Original:
    constructs the system_error object
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    (fonction membre publique) [edit]
    renvoie le code d'erreur
    Original:
    returns error code
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    (fonction membre publique) [edit]
    [
    virtuel
    Original:
    virtual
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    ]
    renvoie une chane explicative
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    returns explanatory string
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    (function membre virtuelle publique) [edit]

    Inherited from std::exception

    Member functions

    [
    virtuel
    Original:
    virtual
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    ]
    Dtruit l'objet exception
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    destructs the exception object
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    (function membre virtuelle publique de std::exception) [edit]
    [
    virtuel
    Original:
    virtual
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    ]
    retourne une chane explicative
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    returns an explanatory string
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    (function membre virtuelle publique de std::exception) [edit]

    Exemple

    #include <thread>
#include <iostream>
#include <system_error>

int main()
{
    try {
        std::thread().detach(); // attempt to detach a non-thread
    } catch(const std::system_error& e) {
        std::cout << "Caught system_error with code " << e.code() 
                  << " meaning " << e.what() << '\n';
    }
}

    Rsultat : 

    Caught system_error with code generic:22 meaning Invalid argument
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