[PATCH 05/23] linux: Replace INLINE_SYSCALL_ERROR_RETURN_VALUE with __syscall_error

[Joseph Myers]

On Mon, 9 Nov 2020, Adhemerval Zanella via Libc-alpha wrote:

> +/* The errno setting might be set either inline or with a helper function.
> +   For some ABIs (x86_64 for instance), handling it inline might generate
> +   less code; while for others (i686) a function call is preferable.
> +
> +   To use the helper function the ABI must define SYSCALL_ERROR_FUNC, it will
> +   build a hidden function on each shared object that issue direct syscall
> +   with {INLINE,INTERNAL}_SYSCALL_CALL.  */
> +
> +#ifdef SYSCALL_ERROR_FUNC

The current convention would be to have SYSCALL_ERROR_FUNC always defined 
and make the choice using #if not #ifdef.

-- 
Joseph S. Myers
joseph@codesourcery.com