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Subject: Re: [PATCH v8 3/8] nptl: Add C11 threads call_once functions
To: Adhemerval Zanella <adhemerval.zanella@linaro.org>,
 libc-alpha@sourceware.org
References: <1517591084-11347-1-git-send-email-adhemerval.zanella@linaro.org>
 <1517591084-11347-4-git-send-email-adhemerval.zanella@linaro.org>
From: Florian Weimer <fweimer@redhat.com>
Message-ID: <b52c8f24-bba0-51d8-c67c-9e6f602e7173@redhat.com>
Date: Fri, 13 Jul 2018 09:32:00 -0000
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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