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Date: Wed, 20 Apr 2022 20:00:49 +0200 (CEST)
From: Marton Balint <cus@passwd.hu>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
In-Reply-To: <20220414212043.25953-1-cus@passwd.hu>
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MIME-Version: 1.0
Subject: Re: [FFmpeg-devel] [PATCH] avutil/cpu: #define _GNU_SOURCE before
 including any standard headers
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On Thu, 14 Apr 2022, Marton Balint wrote:

> Otherwise its effect might not work causing CPU_COUNT to not get defined.
>
> Fixes cpu count detection to actually use sched_getaffinity if available.

Will apply tomorrow.

Regards,
Marton

>
> Signed-off-by: Marton Balint <cus@passwd.hu>
> ---
> libavutil/cpu.c | 16 +++++++++-------
> 1 file changed, 9 insertions(+), 7 deletions(-)
>
> diff --git a/libavutil/cpu.c b/libavutil/cpu.c
> index 833c220192..24b99d2554 100644
> --- a/libavutil/cpu.c
> +++ b/libavutil/cpu.c
> @@ -16,6 +16,15 @@
>  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
>  */
>
> +#include "config.h"
> +
> +#if HAVE_SCHED_GETAFFINITY
> +#ifndef _GNU_SOURCE
> +# define _GNU_SOURCE
> +#endif
> +#include <sched.h>
> +#endif
> +
> #include <stddef.h>
> #include <stdint.h>
> #include <stdatomic.h>
> @@ -23,16 +32,9 @@
> #include "attributes.h"
> #include "cpu.h"
> #include "cpu_internal.h"
> -#include "config.h"
> #include "opt.h"
> #include "common.h"
>
> -#if HAVE_SCHED_GETAFFINITY
> -#ifndef _GNU_SOURCE
> -# define _GNU_SOURCE
> -#endif
> -#include <sched.h>
> -#endif
> #if HAVE_GETPROCESSAFFINITYMASK || HAVE_WINRT
> #include <windows.h>
> #endif
> -- 
> 2.31.1
>
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