Re: emulating tls for systems without

[Paolo Carlini <pcarlini at suse dot de>]

Paolo Carlini wrote:

> Geoffrey Keating wrote:
>
> > > About this, I would be curious to know whether this enhancement
> > > benefits libstdc++/24025, which, if I remember correctly, only affects
> > > systems not defining _GLIBCXX_HAVE_TLS...
> > >   
> >
> > It might make it worse.  The thread emulation code abort()s when it
> > runs out of memory.
>
> Humm, unfortunately I'm missing too many details about the emulation, 
> sorry about that. Do you mean, it essentially allocates on the heap 
> behind the scenes, similarly to the current !_GLIBCXX_HAVE_TLS case? 
> Thanks in advance for any clarification,

In other terms, and more generally, Geoffrey, I would appreciate if 
knowledgeable people like you could add something to the audit trail of 
24025 about _GLIBCXX_HAVE_TLS vs !_GLIBCXX_HAVE_TLS vs, a novelty, 
_GLIBCXX_HAVE_TLS via simulated TLS.

Thanks again,
Paolo.