Re: Thread (usually) not doing what I'd expect

[Graham J Lee]

On 7 Nov 2006, at 14:44, Matt Rice wrote:

> --- Graham J Lee <leeg@thaesofereode.info> wrote:
>
> > It looks like it might be racy, because if I step
> > past the section
> > (lines 551-555 here, I'm on base 1.13.0) in
> > NSThread.m:
> >    if
> (objc_thread_detach(@selector(__sendThreadMethod),thread,nil)
> > == NULL)
> >      {
> >        [NSException raise:
> > NSInternalConsistencyException
> >                    format: @"Unable to detach thread
> > (unknown error)"];
> >      } // <--step to here
> > }
>
> this little trouble maker looks awfully familiar
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18573
>
> it could be that 0 is a valid thread id in whichever
> threading model your libobjc is compiled with
>
> this was the case on hurd/posix threads, but they
> changed the first thread to 1 i believe

But posix threads sets errno if it can't create a thread, shouldn't 
[*] the ObjC threading be similarly signalling errors out-of-band?
[*] with the shield of "in a perfect world" primed and ready...

Cheers,
Graham.
--
Graham J Lee
http://www.thaesofereode.info/