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Date: Sun, 1 Jul 2007 21:24:41 +0200 From: Rodolfo Giometti <giometti@...eenne.com> To: Stephen Rothwell <sfr@...b.auug.org.au> Cc: David Woodhouse <dwmw2@...radead.org>, linux-kernel@...r.kernel.org, Andrew Morton <akpm@...ux-foundation.org> Subject: Re: [PATCH] LinuxPPS (with new syscalls API) - new version On Sun, Jul 01, 2007 at 05:13:25PM +1000, Stephen Rothwell wrote: > On Sat, 30 Jun 2007 19:13:40 +0200 Rodolfo Giometti <giometti@...eenne.com> wrote: > > > > Maybe I can define a special struct for exchanging time data as: > > > > struct pps_timedata_s { > > long sec; > > long nsec; > > } > > > > and managing time data conversions at userland... > > > > What do you think about that? :) > > "long" is one of the datatypes that changes size between 32 bit and 64 > bit, so not such a good choice. You could use __u32 or __64 (or > whatever), that makes it very clear that these are fixed size data types. struct pps_timedata_s { __32 sec; __32 nsec; } Ok? I think 32 bits are enought for keeping seconds... :) If you have no more advices I think I can start changing this part in order to avoid using struct timespec. Ciao, Rodolfo -- GNU/Linux Solutions e-mail: giometti@...eenne.com Linux Device Driver giometti@...dd.com Embedded Systems giometti@...ux.it UNIX programming phone: +39 349 2432127 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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