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=-0.8 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED, MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 8353 invoked from network); 24 Jul 2021 18:38:04 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 24 Jul 2021 18:38:04 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id D25339CADD; Sun, 25 Jul 2021 04:37:56 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 1DDF19CAA5; Sun, 25 Jul 2021 04:37:14 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=planet.nl header.i=@planet.nl header.b="PnJ4hIvU"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id B34989CAA5; Sun, 25 Jul 2021 04:37:05 +1000 (AEST) Received: from cpsmtpb-ews04.kpnxchange.com (cpsmtpb-ews04.kpnxchange.com [213.75.39.7]) by minnie.tuhs.org (Postfix) with ESMTP id E7BEF9CAA4 for ; Sun, 25 Jul 2021 04:36:58 +1000 (AEST) Received: from cpsps-ews12.kpnxchange.com ([10.94.84.179]) by cpsmtpb-ews04.kpnxchange.com with Microsoft SMTPSVC(8.5.9600.16384); Sat, 24 Jul 2021 20:36:46 +0200 X-Brand: 7abm2Q== X-KPN-SpamVerdict: e1=0;e2=0;e3=0;e4=;e6=(e1=10;e3=10;e2=11;e4=10;e6=1 0);EVW:White;BM:NotScanned;FinalVerdict:Clean X-CMAE-Analysis: v=2.4 cv=HoUVp2fS c=1 sm=1 tr=0 ts=60fc5dbe cx=a_idp_e a=aIJzBKXFL4aO3PtWP49Erg==:117 a=soxbC+bCkqwFbqeW/W/r+Q==:17 a=x1i13A_MHe4A:10 a=kj9zAlcOel0A:10 a=e_q4qTt1xDgA:10 a=0jPmEURdwRTNFdYaN4AA:9 a=CjuIK1q_8ugA:10 X-CM-AcctID: kpn@feedback.cloudmark.com Received: from smtp.kpnmail.nl ([195.121.84.43]) by cpsps-ews12.kpnxchange.com over TLS secured channel with Microsoft SMTPSVC(8.5.9600.16384); Sat, 24 Jul 2021 20:36:46 +0200 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=PCRfZb85TScQCX7spAoxcOEk98UwJNu0deXbGQUBKP8=; b=PnJ4hIvUObwQR5fdBT4WCRPstbEZOXzqrvOEbDlnPiQhxrg2yGzJwBwD+JFbLmwmt9TJG68wCKBLk Uj3l9nURD0iWdk38TRLfqUD1j2LpeuvsSOP1WXQLZqAktka4F2Ehht/MJSLw9nOu3aJBZyBy9tKANT 596Ajbh4xpONKHO8= X-KPN-MID: 33|lBLJU8I7IclTFANOus4HpYq1F9m+yKAkEMYHI4A/nvE1gqKV8o/v8QmRJ+oRo+z vVA5e5IJW2o01qqEXETquFvsZMbpo6Z/r6HwxKXMIou8= X-KPN-VerifiedSender: Yes X-CMASSUN: 33|r2BooqtwNvr+3ZNgtimeA77u5oZhkEXGQs1JluN86m8kUcfhk3F3ba4ttVLgtHa 1JZh27F7rkbh1Sie2Rk/6hQ== X-Originating-IP: 80.101.112.122 Received: from mba1.fritz.box (sqlite.xs4all.nl [80.101.112.122]) by smtp.kpnmail.nl (Halon) with ESMTPSA id 19aaac4c-ecae-11eb-b98e-005056ab1411; Sat, 24 Jul 2021 20:36:46 +0200 (CEST) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (Mac OS X Mail 11.5 \(3445.9.7\)) Message-Id: <6F5C0B9D-C7EF-4DED-AAA5-241F55A916E6@planet.nl> Date: Sat, 24 Jul 2021 20:36:45 +0200 To: TUHS main list X-Mailer: Apple Mail (2.3445.9.7) X-OriginalArrivalTime: 24 Jul 2021 18:36:46.0680 (UTC) FILETIME=[DB927580:01D780BA] X-RcptDomain: minnie.tuhs.org Subject: [TUHS] Who designed SysV IPC? X-BeenThere: tuhs@minnie.tuhs.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: The Unix Heritage Society mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Paul Ruizendaal via TUHS Reply-To: Paul Ruizendaal Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" Currently reading through IPC in CB Unix 3.0, Vr1-vax and SVr1-pdp11. The IPC primitives in CB Unix (maus, event and msg) are quite different = from those in SVr1 (although maus survives in SVr1-pdp11). It made me wonder: is it still known who designed the IPC primitives for = SysV?