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List: linux-kernel
Subject: Re: [PATCH] Fix queued SIGIO
From: Alan Cox <alan () lxorguk ! ukuu ! org ! uk>
Date: 2000-09-18 10:26:27
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> The problem is really that SI_SIGIO is negative, but it should be positive
> to make SI_FROMUSER return false on it.
>
> Changing it would unfortunately break binary compatibility. This patch
Why ?
> It'll break programs that try to send SI_SIGIO (=-5) signals from userspace,
> but I think that is ok.
Why not just add SI_KERNSIGINFO .. and use that ?
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