RE: New 'threads' methods

On Wed, 5 Jul 2006, Jerry D. Hedden wrote:

> Mike Pomraning wrote:
> > Thread::Running's threads->tojoin suggests that a class method to return all
> > nondetached, nonrunning and nonjoined threads is useful.
> 
> This would be syntactical sugar for:
> 
>     my @joinable = grep { $_->is_joinable() } threads->list();

Would also be the equiv. of

 my @join = grep { !$_->running() } threads->list();

since list already filters out unjoinable (joined or detached) threads.

> However, I would rather 'enhance' the syntax for threads->list() to take
> a parameter to return that kind of information:
> 
>     my @joinable = threads->list(threads::joinable);
> 
> where the parameter would be defined as a 'constant' in threads.pm:
> 
>     sub threads::joinable { 0 };
> 
> Similarly, we would have:
> 
>     sub threads::running { 1 };
> 
>     my @running = threads->list(threads::running);
> 
> Or am I making things too hard?

A little inobvious, IMHO, given the filtering threads::list already does.

-Mike
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