[PATCH] PPC atomic.h add compare_exchange_val forms

[Jakub Jelinek]

On Thu, Apr 17, 2003 at 03:24:30PM -0700, Roland McGrath wrote:
> >   assert (sizeof (pthread_mutex_t) <= __SIZEOF_PTHREAD_MUTEX_T);
> > 
> > This fails the make check for the first case but works fine with the
> > second. But I am not sure what this assert is for (pthread_cond_init.c, 
> > pthread_rwlock_init.c, and pthread_barrier_init.c don't do this)?
> 
> If you are changing the sizes of the data structures in the ABI,
> you have to update the sizes in bits/pthreadtypes.h.

Not only that. You have to come with new symbol versions and add
compatibility code.

	Jakub