[PATCH v2 05/23] nscd: Use a real read-write lock for the client mapping

[Carlos O'Donell]

On 3/20/26 4:41 PM, Florian Weimer wrote:
> The old code had half of an implementation of a rwlock, but did
> not have code to wait in case the mapping was used by another
> thread, so it performed busy waiting in some cases.  Switch
> to a proper rwlock instead.

...

> -struct locked_map_ptr
> -{
> -  int lock;
> -  struct mapped_database *mapped;
> +  /* Use of the mapping must acquire a read lock.  If the mapping is
> +     changed, acquire a write lock.  */
> +  __libc_rwlock_define (, lock);

Does this work when you have a 64-bit nscd with both 64-bit and 32-bit clients?

-- 
Cheers,
Carlos.