Re: unknown type name 'cpu_set_t' in newlib/libc/include/sched.h

[Giacomo Tesio <giacomo at tesio dot it>]

Hi Corinna I can confirm this patch works fine.

Thanks!


Giacomo

On 12/08/2019, Corinna Vinschen <vinschen@redhat.com> wrote:
> From d192727fee2f85fcc7eb78c7cb09963a7b663d5a Mon Sep 17 00:00:00 2001
> From: Corinna Vinschen <corinna@vinschen.de>
> Date: Mon, 12 Aug 2019 12:13:20 +0200
> Subject: [PATCH] sched.h: Declare affinity functions only on targets
>  supporting them
>
> ---
>  newlib/libc/include/sched.h | 6 ++++++
>  1 file changed, 6 insertions(+)
>
> diff --git a/newlib/libc/include/sched.h b/newlib/libc/include/sched.h
> index 79b775e220c7..31599aa7e6ca 100644
> --- a/newlib/libc/include/sched.h
> +++ b/newlib/libc/include/sched.h
> @@ -93,10 +93,16 @@ int sched_yield( void );
>  #if __GNU_VISIBLE
>  int sched_getcpu(void);
>
> +/* The following functions should only be declared if the type
> +   cpu_set_t is defined through indirect inclusion of sys/cpuset.h,
> +   only available on some targets. */
> +#ifdef _SYS_CPUSET_H_
>  int sched_getaffinity (pid_t, size_t, cpu_set_t *);
>  int sched_get_thread_affinity (void *, size_t, cpu_set_t *);
>  int sched_setaffinity (pid_t, size_t, const cpu_set_t *);
>  int sched_set_thread_affinity (void *, size_t, const cpu_set_t *);
> +#endif /* _SYS_CPUSET_H_ */
> +
>  #endif
>
>  #ifdef __cplusplus
> --
> 2.20.1
>
>
> Please test or suggest an alternative.