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Date: Tue, 29 Jun 2021 18:45:42 +0300
From: Alexey Kodanev <>
To: Rich Felker <>
Subject: Re: [PATCH] nice: return EPERM instead of EACCES

On 29.06.2021 17:48, Rich Felker wrote:
> Is there actually an issue here? setpriority is specified to fail with
> EACCES already for this case; EPERM is only specified for targeting
> other processes you don't have permission to target. Is Linux getting
> this wrong for setpriority?

No, it's fine for setpriority(), it just seems wrong for nice()
to return EACCES in this case.

LTP/nice04 test (setting nice(-10)) is failing with musl and POSIX
indeed says that the errno should be EPERM, for nice().

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