Skip site navigation (1)Skip section navigation (2)
Date:      Thu, 19 May 2016 14:33:40 +0200
From:      Hans Petter Selasky <hps@selasky.org>
To:        KrishnamRaju ErapaRaju <Krishna2@chelsio.com>, "freebsd-infiniband@freebsd.org" <freebsd-infiniband@freebsd.org>
Subject:   Re: write() system call(via rdma_get_cm_event) is not honoring a signal with flag SA_RESTART.
Message-ID:  <6085b7db-aab4-0496-1789-0992bc1f1c5d@selasky.org>
In-Reply-To: <4EAB2619577FCA4EBCE11F17B7373447C431372B@nice.asicdesigners.com>
References:  <4EAB2619577FCA4EBCE11F17B7373447C4313548@nice.asicdesigners.com> <3500e324-7d7c-ed94-5913-911fd9877bef@selasky.org> <4EAB2619577FCA4EBCE11F17B7373447C431372B@nice.asicdesigners.com>

next in thread | previous in thread | raw e-mail | index | archive | help
On 05/19/16 14:22, KrishnamRaju ErapaRaju wrote:
> Hans,
>
> I think it's not a regression.
>
> To verify it I have fetched the latest sources(both FreeBSD & OFED 3.2) and started building...
>  Between, may I know when will OFED 3.2 patches be pushed to upstream?
>
> Also, before started building,  I'd quickly replaced -ERESTARTSYS with -512 in ucma_get_event, I still don't see the write() system call getting restarted.
>
> Here are the return codes:
> ucma_get_event, returns -512
> rdma_get_cm_event, returns -1, errorno: 512
>
> So can FreeBSD understand the interrupted system call return value(-512) like Linux?

Hi,

I need to check this a bit closer. Possibly you'll need to loop in the 
application or library when you see errno 512.

--HPS



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?6085b7db-aab4-0496-1789-0992bc1f1c5d>