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From: "Daniel P. Berrangé" <berrange@redhat.com>
To: Stefan Berger <stefanb@linux.vnet.ibm.com>
Cc: "Marc-André Lureau" <marcandre.lureau@gmail.com>,
	"Peter Maydell" <peter.maydell@linaro.org>,
	"QEMU Developers" <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] tpm-tis-test and tpm-crb-test crash on OSX
Date: Fri, 16 Mar 2018 14:18:30 +0000	[thread overview]
Message-ID: <20180316141830.GL3066@redhat.com> (raw)
In-Reply-To: <e971a441-2118-e07a-ee77-56758ccf41af@linux.vnet.ibm.com>

On Fri, Mar 16, 2018 at 09:45:59AM -0400, Stefan Berger wrote:
> On 03/16/2018 09:41 AM, Marc-André Lureau wrote:
> > Hi
> > 
> > On Fri, Mar 16, 2018 at 2:37 PM, Marc-André Lureau
> > <marcandre.lureau@gmail.com> wrote:
> > > Hi
> > > 
> > > On Fri, Mar 16, 2018 at 2:27 PM, Daniel P. Berrangé <berrange@redhat.com> wrote:
> > > > At least the tpm_emu_tpm_thread() there is only something in the test
> > > > suite, so the real system emulator code isn't at risk of crashing.
> > > > 
> > > > Feels like the thread simply should *not* use error_abort, and instead
> > > > have a more graceful way to exit when the socket closes
> > > > 
> > > The code expects the read() to return 0 on disconnect, not an error.
> > > Apparently this works on !osx. Should we adapt qio-channel-socket to
> > > return 0 in this case on osx too?
> > Oh I see, it calls close() on the same end, that's not correct. I
> > wonder if shutdown would be better. Other suggestions?
> > 
> We could send the thread a special message, like 0xff ff ff ff, and that
> terminates it...

If there's no resource cleanup in this test suite thread to worry about
could just  pthread_cancel() it

Regards,
Daniel
-- 
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  parent reply	other threads:[~2018-03-16 14:18 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-16 13:12 [Qemu-devel] tpm-tis-test and tpm-crb-test crash on OSX Peter Maydell
2018-03-16 13:24 ` Peter Maydell
2018-03-16 13:27   ` Daniel P. Berrangé
2018-03-16 13:37     ` Marc-André Lureau
2018-03-16 13:41       ` Marc-André Lureau
2018-03-16 13:45         ` Stefan Berger
2018-03-16 14:08           ` Stefan Berger
2018-03-16 14:09             ` Marc-André Lureau
2018-03-16 14:35               ` Stefan Berger
2018-03-16 14:18           ` Daniel P. Berrangé [this message]
2018-03-16 13:43       ` Daniel P. Berrangé

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