On Wed, 05/16 19:43, Peter Xu wrote:
> On Wed, May 16, 2018 at 07:14:53PM +0800, WangJie (Pluto) wrote:
> > Hi, Peter Xu:
> > If call aio_epoll_disable() here, aio_epoll_disable() will return
> > before close ctx->epollfd,
> > Because the ctx->epoll_enabled is false in the moment.
> > In the process of addIOThread, aio_context_setup created epoll without
> > call aio_epoll_try_enable,
> > so ctx->epoll_enabled have no chance to set true.
>
> I see that epoll_available will only be set if epollfd != -1, so it
> seems to me to make more sense if we swap the two variables in
> aio_epoll_disable(), from current version:
>
> static void aio_epoll_disable(AioContext *ctx)
> {
> ctx->epoll_available = false;
> if (!ctx->epoll_enabled) {
> return;
> }
> ctx->epoll_enabled = false;
> close(ctx->epollfd);
> }
>
> To:
>
> static void aio_epoll_disable(AioContext *ctx)
> {
> ctx->epoll_enabled = false;
> if (!ctx->epoll_available) {
> return;
> }
> ctx->epoll_available = false;
> close(ctx->epollfd);
> }
>
> What do you think? And Fam?
Looks good.
Fam
>
> >
> > On 2018/5/16 16:36, Jie Wang wrote:
> > > +void aio_context_destroy(AioContext *ctx)
> > > +{
> > > +#ifdef CONFIG_EPOLL_CREATE1
> > > + if (ctx->epollfd >= 0) {
> > > + close(ctx->epollfd);
> > > + }
> > > +#endif
> > > +}
> > > +
> > > void aio_context_set_poll_params(AioContext *ctx, int64_t max_ns,
> > > int64_t grow, int64_t shrink, Error
> > > **errp)
> >
>
> --
> Peter Xu
