Re: [RFC PATCH glibc 12/12] C11 thrd: Downgrade the default alignment of mtx_t

[Samuel Thibault]

Sergey Bugaev, le dim. 12 févr. 2023 18:52:37 +0300, a ecrit:
> On Sun, Feb 12, 2023 at 6:18 PM Samuel Thibault <samuel.thibault@gnu.org> 
> wrote:
> > I'd say rather make pthread_mutex_t aligned on long int, so we can
> > possibly in the future put some pointers in it without breaking the ABI.
> 
> I honestly have 0 idea how it is not 8-aligned right now (nor how its
> size is 32 and not like 56), given that this is its definition...
> 
> no, strike that, I see that there are *two* versions of
> struct___pthread_mutex.h, one in sysdeps/mach/hurd/htl/bits and the
> other one in sysdeps/htl/bits/types, and the former one wins. The
> latter one seems unused then, its only point was to confuse the hell
> out of me.

History is full of remnants. That's why one just has to take the time to
clean things up and avoid leaving things behind oneself.  It seems the
a99155555c21 cleanup missed this one.

Samuel