[PATCH v8 3/8] nptl: Add C11 threads call_once functions

[Florian Weimer]

On 02/02/2018 06:04 PM, Adhemerval Zanella wrote:
> +#define ONCE_FLAG_INIT 0
> +
>   typedef unsigned long int thrd_t;
>   typedef int (*thrd_start_t) (void*);
> +typedef int __ONCE_ALIGNMENT once_flag;

__ONCE_ALIGNMENT is not expressible in C11, so I think you should turn 
once_flag into a struct with a suitably aligned member, and change 
ONCE_FLAG_INIT as well (into a compound literal).

Thanks,
Florian