linux-kernel - Re: [PATCH] LinuxPPS (with new syscalls API)

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Message-Id: <1183291392.2828.17.camel@shinybook.infradead.org>
Date:	Sun, 01 Jul 2007 13:03:11 +0100
From:	David Woodhouse <dwmw2@...radead.org>
To:	Rodolfo Giometti <giometti@...eenne.com>
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] LinuxPPS (with new syscalls API) - new version

On Sat, 2007-06-30 at 19:13 +0200, Rodolfo Giometti wrote:
> Maybe I can define a special struct for exchanging time data as:
> 
>    struct pps_timedata_s {
>       long sec;
>       long nsec;
>    } 

Seems reasonable enough in principle -- but whatever you do, don't use
"long" for it. That would definitely need different behaviour for 32-bit
vs. 64-bit. Use explicitly sized types such as uint32_t or uint64_t.

-- 
dwmw2

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