[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [PATCH] cdefs.h: Define __COLD
From: |
Samuel Thibault |
Subject: |
Re: [PATCH] cdefs.h: Define __COLD |
Date: |
Sat, 29 Apr 2023 17:02:18 +0200 |
User-agent: |
NeoMutt/20170609 (1.8.3) |
Applied, thanks!
Sergey Bugaev, le sam. 29 avril 2023 16:20:53 +0300, a ecrit:
> And of course right after I have sent it, I notice that I forgot the
> "Not GCC or clang." case.
>
> Sergey
>
> -- >8 --
>
> From 1b8c6563828399de563846525d0f525001f2d80d Mon Sep 17 00:00:00 2001
> From: Sergey Bugaev <bugaevc@gmail.com>
> Date: Thu, 27 Apr 2023 17:42:11 +0300
> Subject: [PATCH] cdefs.h: Define __COLD
>
> This expands to __attribute__ ((cold)) when supported. It should be
> used to mark up functions that are invoked rarely.
>
> Signed-off-by: Sergey Bugaev <bugaevc@gmail.com>
> ---
> misc/sys/cdefs.h | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/misc/sys/cdefs.h b/misc/sys/cdefs.h
> index 23ec0ebd..9a07e297 100644
> --- a/misc/sys/cdefs.h
> +++ b/misc/sys/cdefs.h
> @@ -98,6 +98,12 @@
> # endif
> # endif
>
> +# if __GNUC_PREREQ (4, 3) || __glibc_has_attribute (__cold__)
> +# define __COLD __attribute__ ((__cold__))
> +# else
> +# define __COLD
> +# endif
> +
> #else /* Not GCC or clang. */
>
> # if (defined __cplusplus \
> @@ -110,6 +116,7 @@
> # define __THROW
> # define __THROWNL
> # define __NTH(fct) fct
> +# define __COLD
>
> #endif /* GCC || clang. */
>
> --
> 2.40.1
>
--
Samuel
---
Pour une évaluation indépendante, transparente et rigoureuse !
Je soutiens la Commission d'Évaluation de l'Inria.