Re: [PATCH 1/2] new valid_signal function

From: Jesper Juhl
Date: Mon Apr 18 2005 - 15:59:52 EST


On Mon, 18 Apr 2005, Jesper Juhl wrote:

> This patch adds a new function valid_signal() that tests if its argument
> is a valid signal number.
>
> The reasons for adding this new function are:
> - some code currently testing _NSIG directly has off-by-one errors. Using
> this function instead avoids such errors.
> - some code currently tests unsigned signal numbers for <0 which is
> pointless and generates warnings when building with gcc -W. Using this
> function instead avoids such warnings.
>

Note to observers: I forgot to mention that the prelude to this patch can
be found in the thread titled
'[PATCH] fs/fcntl.c : don't test unsigned value for less than zero'


--
Jesper


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