Re: [Boost-users] Trouble with asio using lib pion and boost.function

Subject: Re: [Boost-users] Trouble with asio using lib pion and boost.function
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2008-11-26 18:48:06

AMDG

Stephan Menzel wrote:
>>>     return static_cast<vtable_type*>(vtable)->invoker
>>>              (this->functor BOOST_FUNCTION_COMMA BOOST_FUNCTION_ARGS);
>>>   }
>>> #endif
>>>
>>> It says the static_cast rises the exception (?!) Damn MS.
>>>       
>> a) Is the error on the static_cast or on reading the function pointer?
>>     
>
> Alas, I can't really tell. For the compiler this is one line. But I have to 
> assume it's coming out of the functor. At least this is what the debug run 
> looked like.
>   

You could look at the disassembly...

However, in the light of the following, it seem more likely that
the "this" pointer is invalid.

>> b) does it happen consistently?
>>     
>
> Yes, every time.
>   

> Apart from this, wouldn't a race condition bound to be a little more hard to 
> catch? Usually the buggers tend to be rather unreproducable to the point you 
> doubt they exist.
>   

Yeah.  That doesn't sound like a race condition, then.  The particular 
race involved
has a very small critical section.

In Christ,
Steven Watanabe