From: Bakul Shah via TUHS <tuhs@tuhs.org>
To: Larry McVoy <lm@mcvoy.com>
Cc: The Unix Heritage Society mailing list <tuhs@tuhs.org>
Subject: [TUHS] Re: If forking is bad, how about buffering?
Date: Sat, 18 May 2024 18:40:42 -0700 [thread overview]
Message-ID: <767E78C5-E6E7-4CB5-889D-B4E0E5FBA085@iitbombay.org> (raw)
In-Reply-To: <20240519012114.GU9216@mcvoy.com>
On May 18, 2024, at 6:21 PM, Larry McVoy <lm@mcvoy.com> wrote:
>
> On Sat, May 18, 2024 at 06:04:23PM -0700, Bakul Shah via TUHS wrote:
>> [1] This brings up a separate point: in a microkernel even a simple
>> thing like "foo | bar" would require a third process - a "pipe
>> service", to buffer up the output of foo! You may have reduced
>> the overhead of individual syscalls but you will have more of
>> cross-domain calls!
>
> Do any micro kernels do address space to address space bcopy()?
mmapping the same page in two processes won't be hard but now
you have complicated cat (or some iolib)!
next prev parent reply other threads:[~2024-05-19 1:41 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-13 13:34 [TUHS] " Douglas McIlroy
2024-05-13 22:01 ` [TUHS] " Andrew Warkentin
2024-05-14 7:10 ` Rob Pike
2024-05-14 11:10 ` G. Branden Robinson
2024-05-15 14:42 ` Dan Cross
2024-05-15 16:42 ` G. Branden Robinson
2024-05-19 1:04 ` Bakul Shah via TUHS
2024-05-19 1:21 ` Larry McVoy
2024-05-19 1:26 ` Serissa
2024-05-19 1:40 ` Bakul Shah via TUHS [this message]
2024-05-19 1:50 ` Bakul Shah via TUHS
2024-05-19 2:02 ` Larry McVoy
2024-05-19 2:28 ` Bakul Shah via TUHS
2024-05-19 2:53 ` Andrew Warkentin
2024-05-19 8:30 ` Marc Rochkind
2024-05-19 2:26 ` Andrew Warkentin
2024-05-19 16:04 ` Paul Winalski
2024-05-14 22:08 ` George Michaelson
2024-05-14 22:34 ` Bakul Shah via TUHS
2024-05-19 10:41 ` Ralph Corderoy
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