From: Thomas Monjalon <thomas@monjalon.net>
To: prateekag <prateekag@cse.iitb.ac.in>
Cc: dev@dpdk.org, Stephen Hemminger <stephen@networkplumber.org>
Subject: Re: [dpdk-dev] Printfs in Signal Handler
Date: Wed, 02 Dec 2020 21:41:39 +0100 [thread overview]
Message-ID: <4079538.OZV0JHgpTk@thomas> (raw)
In-Reply-To: <7271567.L1mZBfcePy@thomas>
01/12/2020 10:24, Thomas Monjalon:
> 01/12/2020 04:39, prateekag:
> > printf is not signal safe and may lead to deadlock if kept in signal handler
> > and
> > signal comes in two quick succession. It will not lead to incorrect behavior
> > and it is a highly unlikely event. And an expert may understand why this
> > issue happened. Is it worthwhile to change these printfs to unix I/O write
> > call?
>
> Thank you for reporting.
> Please could you describe which files and functions you are talking about?
I've received a private reply:
Filenames:
testpmd.c
test_pmd_perf.c
evt_main.c
pdump/main.c
Function name:
signal_handler
I am OK with removing these printfs.
Do you want to do the patch with the explanation?
next prev parent reply other threads:[~2020-12-02 20:41 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-01 3:39 prateekag
2020-12-01 9:24 ` Thomas Monjalon
2020-12-02 20:41 ` Thomas Monjalon [this message]
2020-12-03 0:02 ` prateekag
2020-12-04 9:20 ` prateekag
2020-12-04 9:50 ` Thomas Monjalon
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