policy on __libc_*

[Roland McGrath]

> Roland McGrath <roland@frob.com> writes:
> 
> > I did not ask why they exist, I do already know that.  I asked which
> > functions need them.  All libc functions that are POSIX.1 cancellation
> > points?  Only some of them?
> 
> Some of the,

Huh?

> > Is there a rule, or are we doing it as needed?
> 
> The list of functions can be seen easily from the wrapsyscall.c file
> on the linuxthreads add-on:

Ok.  I also have 1003.1-1996 at home to consult, so the complete list is
available to me.  But I remain unclear on the answer to my question,
perhaps the missing first paragraph of your message contains it.