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From: Sergey Bugaev <bugaevc@gmail.com>
To: Samuel Thibault <samuel.thibault@gnu.org>
Cc: bug-hurd@gnu.org, libc-alpha@sourceware.org,
	"Flávio Cruz" <flaviocruz@gmail.com>
Subject: Re: [RFC PATCH glibc 12/12] C11 thrd: Downgrade the default alignment of mtx_t
Date: Sun, 12 Feb 2023 18:52:37 +0300	[thread overview]
Message-ID: <CAN9u=HcDYJEThyPsnvubx2EWYbEgSE2EGOe7-u6ZV-+g3GrJzg@mail.gmail.com> (raw)
In-Reply-To: <20230212151857.c74uw45l2cssu5cl@begin>

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.

Sergey

  reply	other threads:[~2023-02-12 15:52 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-12 11:10 [RFC PATCH 0/12] Towards glibc on x86_64-gnu Sergey Bugaev
2023-02-12 11:10 ` [RFC PATCH glibc 1/12] hurd: Refactor readlinkat() Sergey Bugaev
2023-02-12 14:49   ` Samuel Thibault
2023-02-12 11:10 ` [RFC PATCH glibc 2/12] hurd: Use mach_msg_type_number_t where appropriate Sergey Bugaev
2023-02-12 14:52   ` Samuel Thibault
2023-02-12 11:10 ` [RFC PATCH glibc 3/12] mach, hurd: Cast through uintptr_t Sergey Bugaev
2023-02-12 14:55   ` Samuel Thibault
2023-02-12 11:10 ` [RFC PATCH glibc 4/12] hurd: Fix xattr error value Sergey Bugaev
2023-02-12 14:56   ` Samuel Thibault
2023-02-12 11:10 ` [RFC PATCH glibc 5/12] htl: Fix semaphore reference Sergey Bugaev
2023-02-12 14:57   ` Samuel Thibault
2023-02-12 11:10 ` [RFC PATCH hurd 6/12] hurd: Fix modes_t and speeds_t types on 64-bit Sergey Bugaev
2023-02-12 15:00   ` Samuel Thibault
2023-02-12 15:15     ` Sergey Bugaev
2023-02-12 15:22       ` Samuel Thibault
2023-02-12 16:13         ` Sergey Bugaev
2023-02-12 16:30           ` Samuel Thibault
2023-02-12 19:03           ` Samuel Thibault
2023-02-12 11:10 ` [RFC PATCH mig 7/12] Drop -undef -ansi from cpp flags Sergey Bugaev
2023-02-12 15:01   ` Samuel Thibault
2023-02-12 18:43     ` Flávio Cruz
2023-02-12 18:44   ` Samuel Thibault
2023-02-12 11:10 ` [RFC PATCH mig 8/12] Set max type alignment to sizeof(long) Sergey Bugaev
2023-02-12 11:10 ` [RFC PATCH glibc 9/12] mach: Look for mach_i386.defs on x86_64 too Sergey Bugaev
2023-02-12 15:07   ` Samuel Thibault
2023-02-12 15:38     ` Sergey Bugaev
2023-02-12 15:46       ` Samuel Thibault
2023-02-12 16:01         ` Sergey Bugaev
2023-02-16 20:22   ` Joseph Myers
2023-02-12 11:10 ` [RFC PATCH glibc 10/12] hurd: Set up the basic tree for x86_64-gnu Sergey Bugaev
2023-02-12 15:15   ` Samuel Thibault
2023-02-12 11:10 ` [RFC PATCH glibc 11/12] hurd, htl: Add some x86_64-specific code Sergey Bugaev
2023-02-12 16:11   ` Samuel Thibault
2023-02-12 16:25     ` Sergey Bugaev
2023-02-12 16:36       ` Samuel Thibault
2023-02-12 16:40         ` Florian Weimer
2023-02-12 16:46           ` Samuel Thibault
2023-02-12 19:29             ` Florian Weimer
2023-02-12 19:37               ` Samuel Thibault
2023-02-12 16:51         ` Sergey Bugaev
2023-02-12 17:02           ` Samuel Thibault
2023-02-12 17:06             ` Sergey Bugaev
2023-02-12 11:10 ` [RFC PATCH glibc 12/12] C11 thrd: Downgrade the default alignment of mtx_t Sergey Bugaev
2023-02-12 15:18   ` Samuel Thibault
2023-02-12 15:52     ` Sergey Bugaev [this message]
2023-02-12 16:29       ` Samuel Thibault
2023-02-12 16:12 ` [RFC PATCH 0/12] Towards glibc on x86_64-gnu Samuel Thibault

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