From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-1.1 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HTML_MESSAGE,MAILING_LIST_MULTI,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 27276 invoked from network); 12 Aug 2022 11:02:09 -0000 Received: from minnie.tuhs.org (50.116.15.146) by inbox.vuxu.org with ESMTPUTF8; 12 Aug 2022 11:02:09 -0000 Received: from minnie.tuhs.org (localhost [IPv6:::1]) by minnie.tuhs.org (Postfix) with ESMTP id 838EB40920; Fri, 12 Aug 2022 21:01:56 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tuhs.org; s=dkim; t=1660302116; h=from:from:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:list-id:list-help:list-owner: list-unsubscribe:list-subscribe:list-post; bh=3FCZWzsrJEToY8JmTBbrvp5Zt6zctqwaAft6PLlhNn8=; b=4SOgDpXDZvbBd8msG4OY5f81HlZAxQS+A302RozmrvNNeIcaCfM0rWhAok7jsriQxnpajv rrR3tkK+VwlGvaBA0j1RkMhNtbQs62YBGhtoch8pVOgokkL3jvWqDNbyQ28kMCSVtUQ1it nnPqQr0yfHKZFzgWEfeK50xwEptISjU= Received: from ewsoutbound.kpnmail.nl (ewsoutbound.kpnmail.nl [195.121.94.169]) by minnie.tuhs.org (Postfix) with ESMTPS id 349C14010B for ; Fri, 12 Aug 2022 21:01:39 +1000 (AEST) X-KPN-MessageId: 1d34bcd0-1a2e-11ed-823a-005056abad63 Received: from smtp.kpnmail.nl (unknown [10.31.155.38]) by ewsoutbound.so.kpn.org (Halon) with ESMTPS id 1d34bcd0-1a2e-11ed-823a-005056abad63; Fri, 12 Aug 2022 13:01:27 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=planet.nl; s=planet01; h=to:date:message-id:subject:mime-version:content-type:from; bh=3FCZWzsrJEToY8JmTBbrvp5Zt6zctqwaAft6PLlhNn8=; b=B5iEjyOp0nBEVJFCTCtl+RO0NKIDys9/Dxj+GVI/5WiZvxj/hv7pS0tXOtZj9jQYu9b9Sy/Y6HVqB dm1jVDpOEhZA+fYEbToYCijsL62ibBeuo1neZ5wjDQsD4POSHR6RmoM0CG32QLxaHE9RhG6DJFOTAm luPiE5tuebPOdem8= X-KPN-MID: 33|IfmOkcQZfDzLBAbm0138PsscTAmmiMu2Ge7i6WREiVQHBeuKFnuTAc4YmqEWcyw /cv2zUrrOnZBFtzYidYGyLX0khzeb752p8MTkTIHcr84= X-KPN-VerifiedSender: Yes X-CMASSUN: 33|s+24dKqrBPk5kaj77U3x0WxClrKVLErzMVSWwgd5ftgL/PmoMGUwcRjX0NdSIk3 DTaPrTorow8jqoMwihFeIIg== X-Originating-IP: 77.172.38.96 Received: from mba1.fritz.box (77-172-38-96.fixed.kpn.net [77.172.38.96]) by smtp.kpnmail.nl (Halon) with ESMTPSA id 1f535ff0-1a2e-11ed-b5e7-005056abf0db; Fri, 12 Aug 2022 13:01:31 +0200 (CEST) Content-Type: multipart/alternative; boundary="Apple-Mail=_FC46E40F-2D94-42DF-9D5F-2AF78B02746F" Mime-Version: 1.0 (Mac OS X Mail 11.5 \(3445.9.7\)) Message-Id: <94434410-26C2-48D5-AC8F-260DC3D3AA4B@planet.nl> Date: Fri, 12 Aug 2022 13:01:31 +0200 To: tuhs@tuhs.org X-Mailer: Apple Mail (2.3445.9.7) Message-ID-Hash: KNVLGAEGKYV5FMN6JZ4F4MCULMBDSC6A X-Message-ID-Hash: KNVLGAEGKYV5FMN6JZ4F4MCULMBDSC6A X-MailFrom: pnr@planet.nl X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-tuhs.tuhs.org-0; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: segaloco X-Mailman-Version: 3.3.6b1 Precedence: list Subject: [TUHS] Re: Documents for UNIX Collections List-Id: The Unix Heritage Society mailing list Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: From: Paul Ruizendaal via TUHS Reply-To: Paul Ruizendaal --Apple-Mail=_FC46E40F-2D94-42DF-9D5F-2AF78B02746F Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 > And I've received the documents! This is a pastebin with the rough = contents of the documentation package. >=20 > https://pastebin.com/jAqqBXA4 >=20 > Now for some analysis: I=E2=80=99m interested in the journey of SysV IPC. So far I have = established that these originated in CBUnix, with a lot of thinking on = how to optimize these around the time that Unix 3.0/4.0/5.0 happened. = They did not appear in Unix 3.0 / SysIII, and from the Unix 4.0 = documentation I gather that it was not included there either. This would make Unix 5.0 / SysV R1 the first release with what is now = known as SysV IPC. The PDP11 version of R1 has the CBUnix version of = shared memory, as the VAX version did not make sense in the limited = address space of the PDP11. =46rom the pastebin summary, it would seem that IPC is not in this = documentation either? That would be surprising, and reopens the = possibility that IPC was part of Unix 4.0 Paul --Apple-Mail=_FC46E40F-2D94-42DF-9D5F-2AF78B02746F Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8

And I've received the documents!  This is a pastebin = with the rough contents of the documentation package.

https://pastebin.com/jAqqBXA4

Now for some analysis:

I=E2=80=99m interested in the journey of SysV IPC. So far I = have established that these originated in CBUnix, with a lot of thinking = on how to optimize these around the time that Unix 3.0/4.0/5.0 happened. = They did not appear in Unix 3.0 / SysIII, and from the Unix 4.0 = documentation I gather that it was not included there either.

This would make Unix 5.0 = / SysV R1 the first release with what is now known as SysV IPC. The = PDP11 version of R1 has the CBUnix version of shared memory, as the VAX = version did not make sense in the limited address space of the = PDP11.

=46rom = the pastebin summary, it would seem that IPC is not in this = documentation either? That would be surprising, and reopens the = possibility that IPC was part of Unix 4.0

Paul

= --Apple-Mail=_FC46E40F-2D94-42DF-9D5F-2AF78B02746F--