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From: Stephen Hemminger <stephen@networkplumber.org>
To: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
Cc: dev@dpdk.org, Aman Singh <aman.deep.singh@intel.com>,
	Yuying Zhang <yuying.zhang@intel.com>,
	Phil Yang <phil.yang@arm.com>, Jianbo Liu <jianbo.liu@linaro.org>
Subject: Re: [PATCH v6] testpmd: cleanup cleanly from signal
Date: Fri, 11 Nov 2022 08:49:27 -0800	[thread overview]
Message-ID: <20221111084927.5500dd9c@hermes.local> (raw)
In-Reply-To: <39978e88-a231-9ef4-197e-ee1948d9c8ef@oktetlabs.ru>

On Fri, 11 Nov 2022 11:05:24 +0300
Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru> wrote:

> It looks wrong to skip pmd_test_exit() in periodic stats
> case (if body above). Earlier it happened in signal handler.
> IMHO, pmd_test_exit() should be done just before pdump
> uninit below (outside if/else bodies (and removed from
> interactive == 1 branch above).
> 
> > +			if (rc < 0)
> > +				return 1;  
> 
> It took some time for me to understand what's happening here.
> Finally I came to conclusion that it just preserve previous
> behaviour to return with failure code immediately if read
> fails. Except addition of pmd_test_exit() above.
> I think it is a wrong behaviour to skip all cleanup which
> is done below, but I agree that it is a separate issue to
> fix.
> 
> > +			prompt_exit();  
> 
> prompt_exit() is registered as atexit() callback and if I'm not
> mistakes will be called anyway.


Good catch.
Trying to unwind the intentions of earlier code here.

Next version should be cleaner.

  reply	other threads:[~2022-11-11 16:49 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-14 17:23 [RFC 1/2] testpmd: make f_quit flag volatile Stephen Hemminger
2022-10-14 17:23 ` [RFC 2/2] testpmd: cleanup cleanly from signal Stephen Hemminger
2022-11-06 10:50   ` Andrew Rybchenko
2022-11-08 18:16     ` Stephen Hemminger
2022-11-08 18:53   ` [PATCH v2] " Stephen Hemminger
2022-11-08 20:24   ` [PATCH v3] " Stephen Hemminger
2022-11-09  4:10   ` [PATCH v4] " Stephen Hemminger
2022-11-09 21:46     ` Mattias Rönnblom
2022-11-09 22:53       ` Stephen Hemminger
2022-11-10  7:50         ` Mattias Rönnblom
2022-11-10 16:14           ` Stephen Hemminger
2022-11-10 22:06             ` Mattias Rönnblom
2022-11-09 17:29   ` [PATCH v5] " Stephen Hemminger
2022-11-10  7:14     ` Andrew Rybchenko
2022-11-10 16:13       ` Stephen Hemminger
2022-11-10 16:53   ` [PATCH v6] " Stephen Hemminger
2022-11-11  8:05     ` Andrew Rybchenko
2022-11-11 16:49       ` Stephen Hemminger [this message]
2022-11-11 16:51   ` [PATCH v7] " Stephen Hemminger
2022-11-12 17:28   ` [PATCH v8] " Stephen Hemminger
2023-01-19 15:53     ` Ferruh Yigit
2023-01-25 18:32     ` [PATCH v9] " Stephen Hemminger
2023-01-30 18:48       ` Ferruh Yigit
2023-01-30 20:11         ` Stephen Hemminger
2022-11-06 10:48 ` [RFC 1/2] testpmd: make f_quit flag volatile Andrew Rybchenko
2022-11-08 18:07 ` [PATCH v2] " Stephen Hemminger
2022-11-09 10:11   ` Ruifeng Wang
2022-11-09 10:37     ` Andrew Rybchenko
2023-01-30 20:09 ` [PATCH v10 0/2] testpmd: handle signals safely Stephen Hemminger
2023-01-30 20:09   ` [PATCH v10 1/2] cmdline: handle EOF in cmdline_poll Stephen Hemminger
2023-01-30 22:12     ` Ferruh Yigit
2023-01-31  2:54       ` Stephen Hemminger
2023-01-30 20:09   ` [PATCH v10 2/2] testpmd: cleanup cleanly from signal Stephen Hemminger
2023-01-31  9:30     ` Ferruh Yigit
2023-01-30 22:13   ` [PATCH v10 0/2] testpmd: handle signals safely Ferruh Yigit
2023-02-03 19:14   ` [PATCH v11 0/3] Fix cmdline_poll and testpmd signal handling Stephen Hemminger
2023-02-03 19:14     ` [PATCH v11 1/3] cmdline: make rdline status not private Stephen Hemminger
2023-02-06  2:31       ` fengchengwen
2023-02-03 19:14     ` [PATCH v11 2/3] cmdline: handle EOF in cmdline_poll Stephen Hemminger
2023-02-03 19:14     ` [PATCH v11 3/3] testpmd: cleanup cleanly from signal Stephen Hemminger
2023-02-07 14:49       ` Ferruh Yigit
2023-02-07 14:48     ` [PATCH v11 0/3] Fix cmdline_poll and testpmd signal handling Ferruh Yigit
2023-02-19 17:53     ` Stephen Hemminger
2023-03-11 10:17       ` Thomas Monjalon
2023-03-12 17:18         ` Tal Shnaiderman
2023-03-13 10:34           ` Ling, WeiX
2023-03-13 15:53             ` Stephen Hemminger
2023-03-14  7:05               ` Ling, WeiX

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