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Wed, 27 Oct 2021 08:37:34 -0700 (PDT) MIME-Version: 1.0 References: <811fe89f74db52b9e1eaee440967c8dd@hamnavoe.com> <8590FACA-50B2-4FF8-8B5F-AF0B5ABE1EA6@iitbombay.org> In-Reply-To: <8590FACA-50B2-4FF8-8B5F-AF0B5ABE1EA6@iitbombay.org> From: Charles Forsyth Date: Wed, 27 Oct 2021 16:37:22 +0100 Message-ID: Subject: Re: [9fans] v9fs vs mmap (not quite SOLVED) To: 9fans <9fans@9fans.net> Content-Type: multipart/alternative; boundary="0000000000007f43d905cf575fee" Topicbox-Policy-Reasoning: allow: sender is a member Topicbox-Message-UUID: d22e8d7a-373b-11ec-a50c-f6a083baad5c Archived-At: =?UTF-8?B?PGh0dHBzOi8vOWZhbnMudG9waWNib3guY29tL2dyb3Vwcy85?= =?UTF-8?B?ZmFucy9UYjA2NWY0ZGY2N2E4YmFiOS1NNGFhYTY5MjUwNzkxOWMyYTA0ZmUx?= =?UTF-8?B?MjAzPg==?= List-Help: List-Id: "9fans" <9fans.9fans.net> List-Post: List-Software: Topicbox v0 List-Subscribe: Precedence: list Reply-To: 9fans <9fans@9fans.net> Content-Transfer-Encoding: 7bit List-Unsubscribe: , Topicbox-Delivery-ID: 2:9fans:437d30aa-c441-11e9-8a57-d036212d11b0:522be890-2105-11eb-b15e-8d699134e1fa:M4aaa692507919c2a04fe1203:1:YKFw2aFMOMMsmp2dnJktSJmPUUVegs7zTVvVI5xgHkA --0000000000007f43d905cf575fee Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable It's mildly amusing that a language that emphases explicit error returns should discard a system interface that does that in favour of one that's not even a raised exception but a trap. (ok, ok, Unix typically just returns crappy EIO on a real error, but does distinguish several other cases such as ENOSPC.) And it's relying on the paging subsystem which is even worse. ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/Tb065f4df67a8bab9-M4aaa6= 92507919c2a04fe1203 Delivery options: https://9fans.topicbox.com/groups/9fans/subscription --0000000000007f43d905cf575fee Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
It's mildly amusing that a language that e= mphases explicit error returns should discard a system interface that = does that in favour of one that's not even a raised exception but a tra= p.
(ok, ok, Unix typically just returns crappy EIO on a real error, but= does distinguish several other cases such as ENOSPC.)
And it'= ;s relying on the paging subsystem which is even worse.

= --0000000000007f43d905cf575fee--