Subj : Re: How to pass class-member function to pthread_create(....)?
To   : comp.programming.threads
From : Vyacheslav Kononenko
Date : Mon Jul 18 2005 07:53 am



Maciej Sobczak wrote:
> Vyacheslav Kononenko wrote:
>
> > it should be
> >  pthread_create( thread, attr, foo::static_func, test );
>
> No. The closest thing you need is &foo:static_func (note &), but it is
> still not correct, since pthread expects pointer to "C" function.
> C++ code can provide extern "C" function, but *not* member function,
> even if static, because member functions cannot be extern "C".
>
> The trick with static member is popular, but incorrect, at least with
> pthreads (but it may work elsewhere, like with Windows API when compiled
> with Microsoft compilers).
>
>
> --
> Maciej Sobczak : http://www.msobczak.com/
> Programming    : http://www.msobczak.com/prog/

Hmm if its unsafe to use a different linkage function by a pointer, why
C++ compiler does not warn at least? In ideal it should fail to compile
when I try to assign incompatible pointers, shall it not?.

Regards,
Vyacheslav

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