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From: "Bakul Shah via 9fans" <9fans@9fans.net>
To: 9fans <9fans@9fans.net>
Subject: Re: [9fans] openat()
Date: Fri, 5 Apr 2024 14:43:20 -0700	[thread overview]
Message-ID: <79953545-3E92-4A48-AA6E-D20B9AD96463@iitbombay.org> (raw)
In-Reply-To: <CAP6exYLifv8_ujLxN4wEq+PQuJcDmM8zH9KwVh+czoZSMWDrXA@mail.gmail.com>

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To me this sounds very similar to open() given a path relative to your current working directory.

> On Apr 5, 2024, at 2:22 PM, ron minnich <rminnich@gmail.com> wrote:
> 
> not so much what I want, I'm curious about ideas people have about implementing it that I would not think of.
> 
> On Fri, Apr 5, 2024 at 1:38 PM Gorka Guardiola <paurea@gmail.com <mailto:paurea@gmail.com>> wrote:
>> Hmm sorry. Now I see what you want. Not to rewalk. You can use the chan of the dirfd and walk just the remainder cloning it and creating a new one. That way the openat provides the guarantees you want.
>> 
>> On Fri, Apr 5, 2024, 22:15 Gorka Guardiola <paurea@gmail.com <mailto:paurea@gmail.com>> wrote:
>>> I mean, if you want a new syscall jus copy or call the implementation of these.
>>> 
>>> 
>>> On Fri, Apr 5, 2024, 22:12 Gorka Guardiola <paurea@gmail.com <mailto:paurea@gmail.com>> wrote:
>>>> ¿Isn't that fd2path, strcat and open?
>>>> Or am I misunderstanding something?
>>>> 
>>>> On Fri, Apr 5, 2024, 21:51 ron minnich <rminnich@gmail.com <mailto:rminnich@gmail.com>> wrote:
>>>>> One of the folks I worked with, when we pulled a big chunk of plan 9 into akaros, commented that he had implemented openat on akaros. 
>>>>> 
>>>>> I don't want this to turn into a debate on the merits of openat; I am more curious: if you went to implement openat on Plan 9, how would you go about it? I have a few ideas but I'm more interested in your ideas.
>>>>> 
>>>>> Thanks
> 
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  reply	other threads:[~2024-04-05 21:43 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-05 19:50 ron minnich
2024-04-05 20:12 ` Gorka Guardiola
2024-04-05 20:15   ` Gorka Guardiola
2024-04-05 20:36     ` Gorka Guardiola
2024-04-05 21:22       ` ron minnich
2024-04-05 21:43         ` Bakul Shah via 9fans [this message]
2024-04-05 21:49         ` Alyssa M via 9fans
2024-04-05 22:29           ` Gorka Guardiola
2024-04-06  3:18             ` moody
2024-04-06 17:35               ` ron minnich
2024-04-06 19:23                 ` David Leimbach via 9fans
2024-04-06 19:54                 ` Bakul Shah via 9fans
2024-04-06 19:24               ` Alyssa M via 9fans
2024-04-06 20:51                 ` moody
2024-04-07  1:36                   ` Alyssa M via 9fans
2024-04-07 15:00                     ` Alyssa M via 9fans
2024-04-10 12:17                       ` wb.kloke

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