From: Rainer Weikusat <rweikusat@talktalk.net>
To: Al Viro <viro@zeniv.linux.org.uk>
Cc: Jason Baron <jbaron@akamai.com>, netdev@vger.kernel.org
Subject: Re: [RFC] nasty corner case in unix_dgram_sendmsg()
Date: Tue, 26 Feb 2019 15:31:32 +0000 [thread overview]
Message-ID: <878sy2k1m3.fsf@doppelsaurus.mobileactivedefense.com> (raw)
In-Reply-To: <20190226063804.GI2217@ZenIV.linux.org.uk> (Al Viro's message of "Tue, 26 Feb 2019 06:38:04 +0000")
Al Viro <viro@zeniv.linux.org.uk> writes:
> On Tue, Feb 26, 2019 at 06:28:17AM +0000, Al Viro wrote:
[...]
>> * if after relocking we see that unix_peer(sk) now
>> is equal to other, we arrange for wakeup forwarding from other's
>> peer_wait *and* if that has (likely) succeeded we fail with -EAGAIN.
>> Huh?
This returns 1 if sending isn't possible at the moment, ie, if the
process which tries to send has to wait.
next prev parent reply other threads:[~2019-02-26 15:39 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-25 3:51 [RFC] nasty corner case in unix_dgram_sendmsg() Al Viro
2019-02-26 6:28 ` Al Viro
2019-02-26 6:38 ` Al Viro
2019-02-26 15:31 ` Rainer Weikusat [this message]
2019-02-26 19:03 ` Al Viro
2019-02-26 20:35 ` Jason Baron
2019-02-26 23:59 ` Al Viro
2019-02-27 16:45 ` Jason Baron
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