Re: [PATCH ] POSIX clocks & timers take 3 (NOT HIGH RES)

Stephen Rothwell (sfr@canb.auug.org.au)
Mon, 21 Oct 2002 01:50:50 +1000


Hi George,

On Thu, 17 Oct 2002 16:10:26 -0700 george anzinger <george@mvista.com> wrote:
>
> +++ linux/include/asm-generic/siginfo.h Thu Oct 17 15:33:39 2002
> @@ -43,8 +43,9 @@
>
> /* POSIX.1b timers */
> struct {
> - unsigned int _timer1;
> - unsigned int _timer2;
> + timer_t _tid; /* timer id */
> + int _overrun; /* overrun count */
> + sigval_t _sigval; /* same as below */
> } _timer;

This, of course, will only work on architectures where (sizeof(timer_t) +
sizeof(int) + alignment padding for sigval_t) is the same as
(sizeof(pid_t) + sizeof(uid_t) + alignment padding for sigval_t). Which is
true as far as I can see, but is fragile. It might be worth a comment.

-- 
Cheers,
Stephen Rothwell                    sfr@canb.auug.org.au
http://www.canb.auug.org.au/~sfr/
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