On Mon, 1 Sep 2003, Bruce Momjian wrote:
> Larry Rosenman wrote:
> >
> >
> > --On Monday, September 01, 2003 12:35:43 -0400 Bruce Momjian
> > <pgman@candle.pha.pa.us> wrote:
> >
> > >
> > >> Um. I don't think that's true. I mean, in theory it's true, but in
> > >> practice why would an OS have some *_r but have only non-thread-safe
> > >> versions of others?
> > >
> > > Oh, interesting. So you are saying that if the OS supports threads,
> > > then we use the *_r if they have them, and assume the non *_r functions
> > > are already thread-safe if they don't. Interesting.
> > >
> > > That seems to be what we have on Unixware, and on BSD/OS I have some *_r
> > > functions but not others, but they are all threadsafe, so your plan
> > > works there too.
> > UnixWare's Kernel is threaded, and I assume anything in libc is threadsafe
> > unless
> > told otherwise.
>
> What? You said Unixware needs getpwuid_r. And this has nothing to do
> with whether the kernel is threaded.
Note that Larry said "unless told otherwise", so I'm guessing that there
is somewhere in Unixware taht states that standard getpwuid isn't thread
safe? :)