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Date:      Mon, 24 Jun 2024 22:43:45 +0200
From:      tuexen@fh-muenster.de
To:        Gleb Smirnoff <glebius@FreeBSD.org>
Cc:        Mark Johnston <markj@freebsd.org>, src-committers <src-committers@freebsd.org>, dev-commits-src-all@freebsd.org, dev-commits-src-main@freebsd.org
Subject:   Re: git: ac52fa1f1b97 - main - sendfile tests: Fix an error check in tcp_socketpair()
Message-ID:  <7054D728-6F4F-4265-ACBB-5DEB94525114@fh-muenster.de>
In-Reply-To: <ZnnRa1CpedgnLKq1@cell.glebi.us>
References:  <202406211821.45LILvWH052581@gitrepo.freebsd.org> <ZnnRa1CpedgnLKq1@cell.glebi.us>
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[-- Attachment #1 --]
> On 24. Jun 2024, at 22:04, Gleb Smirnoff <glebius@FreeBSD.org> wrote:
> 
>  Mark,
> 
> On Fri, Jun 21, 2024 at 06:21:57PM +0000, Mark Johnston wrote:
> M> commit ac52fa1f1b9768d281b9deed6d1158f43a8564ca
> M> Author:     Mark Johnston <markj@FreeBSD.org>
> M> AuthorDate: 2024-06-21 18:18:22 +0000
> M> Commit:     Mark Johnston <markj@FreeBSD.org>
> M> CommitDate: 2024-06-21 18:18:22 +0000
> M> 
> M>     sendfile tests: Fix an error check in tcp_socketpair()
> M>     
> M>     Fixes:  c368d3f20fc0 ("tests/sendfile: factor out tcp_socketpair()")
> M>     Differential Revision:  https://reviews.freebsd.org/D45598
> M> ---
> M>  tests/sys/kern/sendfile_helper.c | 2 +-
> M>  1 file changed, 1 insertion(+), 1 deletion(-)
> M> 
> M> diff --git a/tests/sys/kern/sendfile_helper.c b/tests/sys/kern/sendfile_helper.c
> M> index 703b04fdea6c..6365531e312c 100644
> M> --- a/tests/sys/kern/sendfile_helper.c
> M> +++ b/tests/sys/kern/sendfile_helper.c
> M> @@ -84,7 +84,7 @@ tcp_socketpair(int *sv)
> M>   if (fcntl(sv[0], F_SETFL, flags) == -1)
> M>   err(1, "fcntl +O_NONBLOCK");
> M>  
> M> - if (connect(sv[0], (void *)&sin, sizeof(sin)) != -1 ||
> M> + if (connect(sv[0], (void *)&sin, sizeof(sin)) == -1 &&
> M>      errno != EINPROGRESS)
> M>   err(1, "connect cs");
> 
> Sorry for not reviewing in a timely manner. Did you actually observe connect(2)
> on a non-blocking TCP socket to immediately return success?
As far as I know, this can happen.

Best regards
Michael
> 
> -- 
> Gleb Smirnoff


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