[PATCH v2] stdlib: Consolidate getentropy and adapt to POSIX 2024 semantics

[Andreas Schwab]

On Mär 27 2025, Adhemerval Zanella wrote:

>   2. There is no defined error if no entropy could be obtained.
>      It means that the function should not fail.

The standard says:

        The getentropy() function may fail if:

        [ENOSYS]
                The system does not provide the necessary source of entropy.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
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