From: Yuanhan Liu <yuanhan.liu@linux.intel.com>
To: Ilya Maximets <i.maximets@samsung.com>
Cc: dev@dpdk.org, Huawei Xie <huawei.xie@intel.com>,
Dyasly Sergey <s.dyasly@samsung.com>,
Heetae Ahn <heetae82.ahn@samsung.com>,
Thomas Monjalon <thomas.monjalon@6wind.com>
Subject: Re: [dpdk-dev] [PATCH] vhost: fix connect hang in client mode
Date: Thu, 21 Jul 2016 21:10:03 +0800 [thread overview]
Message-ID: <20160721131003.GI28708@yliu-dev.sh.intel.com> (raw)
In-Reply-To: <5790C6E3.9030704@samsung.com>
On Thu, Jul 21, 2016 at 03:58:11PM +0300, Ilya Maximets wrote:
> On 21.07.2016 15:58, Yuanhan Liu wrote:
> > On Thu, Jul 21, 2016 at 03:42:54PM +0300, Ilya Maximets wrote:
> >> On 21.07.2016 15:35, Yuanhan Liu wrote:
> >>> On Thu, Jul 21, 2016 at 03:13:14PM +0300, Ilya Maximets wrote:
> >>>>>>
> >>>>>> What do you think of it?
> >>>>>
> >>>>> I found that we can't check connection status without select/poll
> >>>>> on it. 'getsockopt()' will return 0 with no errors if connection
> >>>>> is not still established just like if it was.
> >>>>> So, I think, the first version of this patch is the only
> >>>>> acceptable solution.
> >>>>
> >>>> Sorry, v2 is acceptable too, because it always calls 'connect()'.
> >>>
> >>> So you have done the test that it works?
> >>
> >> No, it's just theory. I don't know how to test this.
> >>
> >>> I'm more curious to know
> >>> could your above case hit the getsockopt() code path, I mean, the
> >>> path that errno is set to EINPROGRESS or EISCONN?
> >>
> >> As I already told, I don't sure that we're able to get EINPROGRESS
> >> on our AF_UNIX sockets.
> >> In v2 'getsockopt()' check is unnecessary.
> >
> > We then have no reason to keep it?
>
> You want me to re-send v2 without 'getsockopt()' check?
Yes, because I'm not sure it will work without select or poll.
--yliu
next prev parent reply other threads:[~2016-07-21 13:05 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-21 8:21 Ilya Maximets
2016-07-21 9:37 ` Yuanhan Liu
2016-07-21 9:45 ` Ilya Maximets
2016-07-21 10:13 ` Yuanhan Liu
2016-07-21 10:37 ` Ilya Maximets
2016-07-21 11:14 ` Ilya Maximets
2016-07-21 11:40 ` Yuanhan Liu
2016-07-21 12:10 ` Ilya Maximets
2016-07-21 12:13 ` Ilya Maximets
2016-07-21 12:35 ` Yuanhan Liu
2016-07-21 12:42 ` Ilya Maximets
2016-07-21 12:58 ` Yuanhan Liu
2016-07-21 12:58 ` Ilya Maximets
2016-07-21 13:10 ` Yuanhan Liu [this message]
2016-07-21 11:12 ` [dpdk-dev] [PATCH v2] " Ilya Maximets
2016-07-21 13:19 ` [dpdk-dev] [PATCH v3] " Ilya Maximets
2016-07-21 13:35 ` Yuanhan Liu
2016-07-21 13:43 ` Ilya Maximets
2016-07-21 13:56 ` Yuanhan Liu
2016-07-21 22:21 ` Thomas Monjalon
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