Re: Redundant memset in AIO read_events

[Dan Kegel]

Luck, Tony wrote:
> That is true, but here's the definition of the io_event strcuture:
> 
> struct io_event {
>         __u64           data;
>         __u64           obj;
>         __s64           res;
>         __s64           res2;
> };
> 
> In the words of the comment, C may be "fun", but I've
> having trouble envisioning an architecture where a structure
> that consists of four equal sized objects has some padding!

<newbie>
There might be some architecture that requires 16 byte alignment...
how about surrounding the memcpy with if (sizeof(struct io_event) != 4 * sizeof(__u64)) ?
</newbie>

-- 
Dan Kegel
http://www.kegel.com
http://counter.li.org/cgi-bin/runscript/display-person.cgi?user=78045