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SubjectRe: [PATCH 10/10] tools lib api: Adopt fdarray class from perf's evlist
Em Tue, Aug 26, 2014 at 04:46:18PM +0900, Namhyung Kim escreveu:
> Hi Arnaldo,
>
> On Fri, 22 Aug 2014 17:59:50 -0300, Arnaldo Carvalho de Melo wrote:
> > +int fdarray__add(struct fdarray *fda, int fd)
> > +{
> > + /*
> > + * XXX: 64 is arbitrary, just not to call realloc at each fd.
> > + * Find a better autogrowing heuristic
> > + */
> > + if (fda->nr == fda->nr_alloc &&
> > + fdarray__grow(fda, 64) < 0)
> > + return -ENOMEM;
> > +
> > + fcntl(fd, F_SETFL, O_NONBLOCK);
> > + fda->entries[fda->nr].fd = fd;
> > + fda->entries[fda->nr].events = POLLIN | POLLERR | POLLHUP;
> > + fda->nr++;
> > + return 0;
> > +}
>
> To be more generic api, I think it'd be better receiving events from
> user rather than hard-coding. Also it might be useful to let user

Agreed, will do.

> sets a grow hint (during init?) as well.

Sure, that can be done as well, and with that, ditch that hard coded
value.

Thanks,

- Arnaldo


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