Re: An Apparent Bug In the Boost Thread Example

From: bill_kempf (williamkempf_at_[hidden])
Date: 2002-01-24 13:39:13

--- In boost_at_y..., "dp11229" <dpodbori_at_l...> wrote:
> Hi, 
> 
> I just wanted to point out to what looks like a bug in 
> <http://www.boost.org/libs/thread/doc/thread.html#Example>
> 
> In the code 
> 
> int main()
> {
>    int secs = 5;
>    boost::thread thrd(thread_alarm( secs )); 
>    thrd.join();                
> }
> 
> The line 
> boost::thread thrd(thread_alarm( secs ));
> 
> looks like a function declaration to the compiler, as if it was 
> written 
> 
> boost::thread thrd( thread_alarm secs );
> 
> and not an object construction. Correspondingly, the compiler 
issues 
> a counter-intuitive message similar to (on GCC) 
> "Cannot call a method 'join' on thrd which is of non-agregate type 
> boost::thread ()(alarm)"
> 
> A simple way to fix it is to remove the ambiguity by declaring 
alarm 
> as a named object, i.e.
> 
> int main()
> {
>    int secs = 5;
>    thread_alarm alrm( secs );
>    boost::thread thrd( alrm ); 
>    thrd.join();                
> }

Ooops.  This was pointed out some time ago and I thought I'd 
corrected it, but I must have failed to commit to CVS.  I'll correct 
this ASAP.

Thanks,

Bill Kempf