[PATCH] Fix locking issue in newlocale

[Nathan Myers]

On Fri, Jul 16, 2004 at 02:16:39PM +0200, Jakub Jelinek wrote:
>   for (i = 0; i < 100000; ++i)
>     setlocale (LC_ALL, locales[(i % 27) & 1]);
> ...
>   for (i = 0; i < 10; ++i)
>     pthread_create (&p[i], NULL, i % 2 ? tf : tf2, NULL);

I'm not sure that we should expect this to be safe anyhow.
Since setlocale is visibly modifying global state, it seems that
the user should be responsible for controlling access to it.
Certainly, if there is any contention, neither thread could count
on getting the result it expected.  

Nathan Myers
ncm@cantrip.org