From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: =?utf-8?Q?Gerd_M=C3=B6llmann?= Newsgroups: gmane.emacs.devel Subject: Re: MPS: a random backtrace while toying with gdb Date: Sun, 30 Jun 2024 13:10:47 +0200 Message-ID: References: <87bk3jh8bt.fsf@localhost> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="20645"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: Ihor Radchenko , emacs-devel@gnu.org, Eli Zaretskii , eller.helmut@gmail.com To: Pip Cet Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sun Jun 30 13:11:12 2024 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1sNsSe-00057g-65 for ged-emacs-devel@m.gmane-mx.org; Sun, 30 Jun 2024 13:11:12 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sNsSO-0005VE-5c; Sun, 30 Jun 2024 07:10:56 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sNsSL-0005V5-I1 for emacs-devel@gnu.org; Sun, 30 Jun 2024 07:10:53 -0400 Original-Received: from mail-lf1-x12c.google.com ([2a00:1450:4864:20::12c]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sNsSJ-00019U-Or; Sun, 30 Jun 2024 07:10:53 -0400 Original-Received: by mail-lf1-x12c.google.com with SMTP id 2adb3069b0e04-52e7d2278d8so2726156e87.3; Sun, 30 Jun 2024 04:10:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1719745849; x=1720350649; darn=gnu.org; h=mime-version:user-agent:message-id:date:references:in-reply-to :subject:cc:to:from:from:to:cc:subject:date:message-id:reply-to; bh=RNHmvOZavtRcqnmdo2V2vEftJft5H1ymbRs3o6N5Wzc=; b=V+mFhZQW+I1vbyO9pJ6RXSwlMJtp0mKhI8tOr3sXoqqGVq3e8DlY6nL95dZT6AiH0n ZEmBCxLCvMcHHS4a392YRv0jQQ1Y/fLsrZYwTLJjc13O99KbsRfS3QpRjoCfJFai5Q49 xwkPJOBmkEqI3ucNVyqsOl2R0JFsWImdOZs+ojqpWzHbNS6lOfy5KzzWNxUf02XdNpJy KIyzBk5rVZRvlH/rObCkdcc+qNaQwJhbaEDE6ZnQBS37DtBpvRUWmO+2IPguVecMXhRL hyeHVF6LZ9FrSbYrSDPfLr8SVD0Q/5OjHR/q1RuURfnKWX/39tMtv9Pr9QgqVwYOODV+ wnQA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1719745849; x=1720350649; h=mime-version:user-agent:message-id:date:references:in-reply-to :subject:cc:to:from:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=RNHmvOZavtRcqnmdo2V2vEftJft5H1ymbRs3o6N5Wzc=; b=mS/8QwX0M//XkwLQxqB9//PeC9dUqH39uwVmSxix82TTasKEU378FRiloxHTQykMNb xuxxadtf6xnhNo98bMpxGazO8AVeg2ATN/3iry+xZCwEJ6f+QruGy5Fx0ZBOhZmMBeBc yoPs441wPGMPgX3Yxxzx9bpt0QJzD5sYahs058E7xbas/fsnTFCptkCwf/+HYcw+ByJb 26FfYnjX8NBX6ORW4I3e885Du8SzZctQiiqIxQJ5QLVkM8v8i2DcQtk08W2+FzOTLuME CGkUnUsHa6Akagz2abB7ALHopshCW4lYKAgdlBakn0E3b4son0PaIcBJ2XVRf/9eQ6NH JRSw== X-Forwarded-Encrypted: i=1; AJvYcCV/6vtoqeGRf0RjjBlgq4py+yfyx0+lGwsHXiE4Sm9oSb2T5fvYK9qY3byjmxvXSg7e4COUfzWpvIsMRAnTt4aXu6etbLD1zn88dzNRxnejU8Y= X-Gm-Message-State: AOJu0YwSeqdecRmS6SteqBslmZJ5KJeeninXUj5jlDXhOeWutgX3dR6X A/i2ocbIcR56jC+yhFUjJTBbjVtedrpfUdeeMB5DCVLXyIHXwRlv X-Google-Smtp-Source: AGHT+IFdjarqNMdX7BCmDal/PCU/KOuZLRzNr9Y11K3TgR1ry1+rdxqD4IMjQRYu7X4tUAAqWRjBrg== X-Received: by 2002:ac2:410d:0:b0:52c:dcdc:f186 with SMTP id 2adb3069b0e04-52e8266eb3amr2128442e87.27.1719745849134; Sun, 30 Jun 2024 04:10:49 -0700 (PDT) Original-Received: from pro2.fritz.box (pd9e36a45.dip0.t-ipconnect.de. [217.227.106.69]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a72ae84b3d8sm217930366b.121.2024.06.30.04.10.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 30 Jun 2024 04:10:48 -0700 (PDT) In-Reply-To: (Pip Cet's message of "Sun, 30 Jun 2024 09:59:17 +0000") Received-SPF: pass client-ip=2a00:1450:4864:20::12c; envelope-from=gerd.moellmann@gmail.com; helo=mail-lf1-x12c.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:320947 Archived-At: Pip Cet writes: > My guess is that's equivalent to what the macOS code does, > essentially, by using a different class of signal that blocks POSIX > signals... I've read somewhere that in macOS signals are implemented on Mach exceptions, but I don't know if that's correct. The truth is somewhere in the sources I guess https://github.com/apple-oss-distributions/xnu