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Re: [PATCH] hurd: Fix __TIMESIZE on x86_64
From: |
Samuel Thibault |
Subject: |
Re: [PATCH] hurd: Fix __TIMESIZE on x86_64 |
Date: |
Fri, 19 May 2023 20:27:36 +0200 |
User-agent: |
NeoMutt/20170609 (1.8.3) |
Applied, thanks!
Sergey Bugaev, le ven. 19 mai 2023 20:15:16 +0300, a ecrit:
> We had sizeof (time_t) == 8, but __TIMESIZE == 32.
>
> Signed-off-by: Sergey Bugaev <bugaevc@gmail.com>
> ---
>
> ...oops.
>
> I have not tested whether this breaks anything (other then checking
> that it still builds), but it's kind of amazing that it had worked at
> all before this,
There aren't that many users of time_t actually.
> and there's a higher chance of this fixing something
> than breaking something.
>
> Unfortunately I believe this means that all binaries built for
> x86_64-gnu so far will have to be rebuilt.
It's not a problem on my side, I'm still always reboostraping everything
everytime. Until we have made a careful review of the types we expose,
I'm not considering the ABI as stable.
Samuel
> Fortunately I don't think
> anybody except for myself (and Samuel himself) had installed them.
>
> Discovered while attempting to hack on fcntl{,64,_time64}.
>
> sysdeps/mach/clock_gettime.c | 2 ++
> sysdeps/mach/hurd/bits/timesize.h | 4 +++-
> sysdeps/mach/hurd/x86_64/libanl.abilist | 1 -
> 3 files changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/sysdeps/mach/clock_gettime.c b/sysdeps/mach/clock_gettime.c
> index be775ed2..9124a32e 100644
> --- a/sysdeps/mach/clock_gettime.c
> +++ b/sysdeps/mach/clock_gettime.c
> @@ -111,6 +111,7 @@ strong_alias (__clock_gettime, __clock_gettime_2);
> compat_symbol (libc, __clock_gettime_2, clock_gettime, GLIBC_2_2);
> #endif
>
> +#if __TIMESIZE != 64
> int
> __clock_gettime64 (clockid_t clock_id, struct __timespec64 *ts64)
> {
> @@ -124,3 +125,4 @@ __clock_gettime64 (clockid_t clock_id, struct
> __timespec64 *ts64)
> return ret;
> }
> libc_hidden_def (__clock_gettime64)
> +#endif
> diff --git a/sysdeps/mach/hurd/bits/timesize.h
> b/sysdeps/mach/hurd/bits/timesize.h
> index 900a0a23..981452c0 100644
> --- a/sysdeps/mach/hurd/bits/timesize.h
> +++ b/sysdeps/mach/hurd/bits/timesize.h
> @@ -16,5 +16,7 @@
> License along with the GNU C Library; if not, see
> <https://www.gnu.org/licenses/>. */
>
> +#include <bits/wordsize.h>
> +
> /* Size in bits of the 'time_t' type of the default ABI. */
> -#define __TIMESIZE 32
> +#define __TIMESIZE __WORDSIZE
> diff --git a/sysdeps/mach/hurd/x86_64/libanl.abilist
> b/sysdeps/mach/hurd/x86_64/libanl.abilist
> index c0a6a009..baad6de2 100644
> --- a/sysdeps/mach/hurd/x86_64/libanl.abilist
> +++ b/sysdeps/mach/hurd/x86_64/libanl.abilist
> @@ -1,4 +1,3 @@
> GLIBC_2.38 gai_cancel F
> GLIBC_2.38 gai_error F
> -GLIBC_2.38 gai_suspend F
> GLIBC_2.38 getaddrinfo_a F
> --
> 2.40.1
>
--
Samuel
---
Pour une évaluation indépendante, transparente et rigoureuse !
Je soutiens la Commission d'Évaluation de l'Inria.