From: Stephen Hemminger <stephen@networkplumber.org>
To: "Mattias Rönnblom" <hofors@lysator.liu.se>
Cc: dev@dpdk.org, phil.yang@arm.com
Subject: Re: [PATCH v4] testpmd: cleanup cleanly from signal
Date: Thu, 10 Nov 2022 08:14:12 -0800 [thread overview]
Message-ID: <20221110081412.707599b2@hermes.local> (raw)
In-Reply-To: <dbc502b0-28d4-7906-5964-f737a621ed71@lysator.liu.se>
On Thu, 10 Nov 2022 08:50:40 +0100
Mattias Rönnblom <hofors@lysator.liu.se> wrote:
> >>
> >> Why is select() needed? Wouldn't a blocking read suffice? Or getchar().
> >
> > On Linux, signal set SA_RESTART so a simple read is not interrupted.
> > One option was to use sigaction() which allows controlling flags, but that
> > won't work on Windows. Using select() works on both.
> >
>
> OK, so select() is used because a signal might interrupt read() on Windows?
>
> while (read(0, &c, 1) == -1 && errno == EINTR)
> ;
>
> Would that work?
Try it. On Linux the read never gets interrupted.
next prev parent reply other threads:[~2022-11-10 16:14 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 [this message]
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
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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