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From: Li Qiang <liq3ea@gmail.com>
To: "Paolo Bonzini" <pbonzini@redhat.com>,
	stefanha@redhat.com, fam@euphon.net,
	"Qemu Developers" <qemu-devel@nongnu.org>, 李强 <liq3ea@163.com>
Subject: Re: [Qemu-devel] Question about aio_poll and glib aio_ctx_dispatch
Date: Wed, 19 Dec 2018 18:05:52 +0800	[thread overview]
Message-ID: <CAKXe6SK8SXVKZ23c+QNJLEGYOkY57ovFHKNwT3byTTZai3bdaw@mail.gmail.com> (raw)
In-Reply-To: <CAKXe6SK+Pm8hGh=BXQ8FosVd=s4S+oc4moxJOjOq5HNeoG5Jcw@mail.gmail.com>

Sent it to qemu-devel.

Li Qiang <liq3ea@gmail.com> 于2018年12月19日周三 下午6:04写道：

> Hello Paolo, Stefan, Fam and all,
>
> Here I have a question about 'aio_poll'.
> IIUC the 'aio_poll' is (mostly) used for synchronous IO
> as I see a lot of code like this:
> while(condition)
>  aio_poll();
>
> However it seems the 'aio_poll' and 'aio_ctx_dispatch' both poll the fd.
> So what happened when the 'fd' has events, which function will be wakeup?
>
> Thanks,
> Li Qiang
>
>

       reply	other threads:[~2018-12-19 10:06 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CAKXe6SK+Pm8hGh=BXQ8FosVd=s4S+oc4moxJOjOq5HNeoG5Jcw@mail.gmail.com>
2018-12-19 10:05 ` Li Qiang [this message]
2018-12-19 20:41   ` [Qemu-devel] Question about aio_poll and glib aio_ctx_dispatch Paolo Bonzini
2018-12-19 22:58     ` [Qemu-devel] 答复: " Li Qiang
2018-12-20  1:25       ` [Qemu-devel] " Fam Zheng
2018-12-20  8:34         ` Li Qiang

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