From: Oleg Nesterov <oleg@redhat.com>
To: Casey Dahlin <cdahlin@redhat.com>
Cc: Scott James Remnant <scott@canonical.com>,
Ingo Molnar <mingo@elte.hu>,
Linux Kernel <linux-kernel@vger.kernel.org>,
Randy Dunlap <randy.dunlap@oracle.com>,
Roland McGrath <roland@redhat.com>,
Davide Libenzi <davidel@xmailserver.org>,
Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: [RESEND][RFC PATCH v2] waitfd
Date: Sat, 10 Jan 2009 23:46:16 +0100 [thread overview]
Message-ID: <20090110224616.GA29046@redhat.com> (raw)
In-Reply-To: <4969230F.4080609@redhat.com>
On 01/10, Casey Dahlin wrote:
>
> Oleg Nesterov wrote:
>>> From the perspective of waitfd, the only difference between WNOHANG and
>>> O_NONBLOCK is which argument you put the flags in.
>>
>> No. Please see the note about ioctl/fcntl above.
>>
>> Oleg.
>>
> Yes but the actual waitfd call could simply set O_NONBLOCK on the
> descriptor when it receive WNOHANG in the flags, and read the descriptor
> flags going forward.
Ah, I misunderstood your message as if we shouldn't check f_flags at all.
Yes sure.
Oleg.
next prev parent reply other threads:[~2009-01-10 22:48 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-06 18:11 [RFC PATCH v2] waitfd Casey Dahlin
2009-01-06 18:27 ` Alan Cox
2009-01-06 18:31 ` Randy Dunlap
2009-01-06 18:45 ` Casey Dahlin
2009-01-06 18:50 ` Randy Dunlap
2009-01-06 18:48 ` Andi Kleen
2009-01-06 19:07 ` [RESEND][RFC " Casey Dahlin
2009-01-07 12:34 ` Ingo Molnar
2009-01-07 13:05 ` Casey Dahlin
2009-01-07 15:00 ` Ingo Molnar
2009-01-07 17:19 ` Oleg Nesterov
2009-01-07 17:24 ` Ingo Molnar
2009-01-07 17:52 ` Davide Libenzi
2009-01-07 20:38 ` Casey Dahlin
2009-01-10 14:47 ` Scott James Remnant
2009-01-10 21:14 ` Casey Dahlin
2009-01-10 21:20 ` Scott James Remnant
2009-01-10 22:08 ` Casey Dahlin
2009-01-10 22:31 ` Oleg Nesterov
2009-01-10 22:37 ` Casey Dahlin
2009-01-10 22:46 ` Oleg Nesterov [this message]
2009-01-07 20:53 ` Roland McGrath
2009-01-07 20:58 ` Ingo Molnar
2009-01-07 21:05 ` Davide Libenzi
2009-01-07 21:50 ` Ingo Molnar
2009-01-07 21:02 ` Ulrich Drepper
2009-01-08 14:32 ` Oleg Nesterov
2009-01-08 19:35 ` Roland McGrath
2009-01-08 20:36 ` Casey Dahlin
2009-01-08 21:39 ` Oleg Nesterov
2009-01-10 14:52 ` Scott James Remnant
2009-01-10 16:19 ` Oleg Nesterov
2009-01-10 17:09 ` Scott James Remnant
2009-01-10 18:21 ` Oleg Nesterov
2009-01-10 18:46 ` Scott James Remnant
2009-01-10 14:50 ` Scott James Remnant
2009-01-10 21:20 ` Casey Dahlin
2009-01-08 22:04 ` Michael Kerrisk
2009-01-10 14:09 ` Scott James Remnant
2009-01-10 14:45 ` Scott James Remnant
2009-01-10 15:57 ` Oleg Nesterov
2009-01-10 17:07 ` Scott James Remnant
2009-01-10 18:13 ` Oleg Nesterov
2009-01-10 20:13 ` Scott James Remnant
2009-01-10 22:24 ` Oleg Nesterov
2009-01-10 23:14 ` Davide Libenzi
2009-01-10 22:25 ` Casey Dahlin
2009-01-10 23:11 ` Davide Libenzi
2011-03-02 1:37 ` Denys Vlasenko
2011-03-02 13:55 ` Oleg Nesterov
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