Re: [Threads-devel] New in boost

From: Anthony Williams (anthony_at_[hidden])
Date: 2007-10-12 11:07:49

> Hello list:
>
> I'm new new using boost library, I think it's great, really great... now
> the
> problem, I need to create a program that uses a class for executing 3
> threads, like this:
>
> class CLASSNAME
> {
>    // thread functions
>     void read();
>     void write();
>     void save();
>
>     // main function
>     void run( int param );
>
>    // attributes
> };
>
> I just read the boost-doc once and once again but can't understand really
> the theory..., I'm using Debian GNU/Linux and compiling using
> Code::Blocks,
> when I write, for example:
>
> void CLASSNAME::run( int param )
> {
>     // stuff here
>     thread_group th_group = new thread_group;
>     th_group->create_thread( &CLASSNAME::read );  // error here bad
> function
> prototype or s.th.
> }
>
> I get an error messaje, I can't tell now because I'm not in my own
> computer... any advice ?

&CLASSNAME::read gives you a member function pointer. This needs an object
to run against. You could use boost bind to pass "this" as the object:

th_group->create_thread( boost::bind(&CLASSNAME::read,this));

Anthony
-- 
Anthony Williams
Just Software Solutions Ltd - http://www.justsoftwaresolutions.co.uk
Registered in England, Company Number 5478976.
Registered Office: 15 Carrallack Mews, St Just, Cornwall, TR19 7UL