Re: [Boost-users] Initialization of boost::asio::ip::tcp::socket geneates unhandled exception

From: Igor R (boost.lists_at_[hidden])
Date: 2008-07-28 17:11:33

Hi,

The problem is somewhere in the design of your program, so it's hardly
possible to find out it from this short description. Sounds like
dangling reference/pointer - probably, io_service was destroyed/not
initialized yet? (remember that the members are initialized in the
order of their definition)

2008/7/28, Jean-Sebastien Stoezel <js.stoezel_at_[hidden]>:
> Hi,
>
> I'm getting confused by the unhandled exception I get when
> initializing a TCP socket. This happens when the socket is
> instantiated and initialized with an IO service object, from the
> constructor of a class called CProcessor.
>
> Here are the variables declaration, inside the class:
>
> boost::asio::ip::tcp::socket                m_Socket;
> boost::asio::io_service                       m_IoService;
>
> Here is what the default constructor looks like for this class:
> CProcessor::CProcessor(void):
>   m_Socket(m_IoService)
> {}
>
> The exception is generated by this constructor, as soon as the
> m_Socket object is initialized.
>
> The type of unhandled exception I got is as follow:
> "Unhandled exception at whatever in hatever.exe: 0xC0000005: Access
> violation reading location 0xcccccce0."
> The program breaks in win_mutex.hpp, at a line calling:
> ::EnterCriticalSection(&crit_section_);
>
> I run VS9.
>
> Any idea?!
>
> Thanks,
> Jean
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