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: igc, macOS avoiding signals Date: Mon, 30 Dec 2024 13:07:12 +0100 Message-ID: References: <799DDBC5-2C14-4476-B1E0-7BA2FE9E7901@toadstyle.org> <86ed1rswup.fsf@gnu.org> <87zfkd1mb9.fsf@protonmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="6611"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: Eli Zaretskii , spd@toadstyle.org, emacs-devel@gnu.org To: Pip Cet Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Mon Dec 30 13:07:54 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 1tSEYr-0001cN-Lj for ged-emacs-devel@m.gmane-mx.org; Mon, 30 Dec 2024 13:07:53 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tSEYN-0004q4-RG; Mon, 30 Dec 2024 07:07:23 -0500 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 1tSEYL-0004ng-Og for emacs-devel@gnu.org; Mon, 30 Dec 2024 07:07:21 -0500 Original-Received: from mail-ej1-x62c.google.com ([2a00:1450:4864:20::62c]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1tSEYH-00033J-3R; Mon, 30 Dec 2024 07:07:18 -0500 Original-Received: by mail-ej1-x62c.google.com with SMTP id a640c23a62f3a-aa66e4d1d5aso1451325066b.2; Mon, 30 Dec 2024 04:07:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1735560433; x=1736165233; darn=gnu.org; h=content-transfer-encoding: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=aJplKN89YT8oo7ACc7iaq3neuMkc7cP0x6ghLALdGus=; b=lDGb9rTmiUGrJ0WDUD+jTXk89Qy+sbT9n3RrSSPHsbmMSdslx6WNxhb0SYJDaG+C3P K2j3x2zzHH0vuQHs6NPAKBBl7lWaM4k8FRhyCV50ifiIDmt8ix+CbhQJPHVberwhVpA0 g6frSwABxw1wymWeDhtbPuEcz2b/xlk+ZM96c+LrZbA3eJm+oO/3f+d3H2FBT1Hekc7V bsYzlwej7+EJY1lNsTJ/APZa7Od1rgoi5pYOsPX2XXTFc2tEvCQiQqZEjeKC2TETyDl0 wxG7YcJokcaGRzsL8MRK7CpZSbS62Mg4JoSMvl8aZt7CEJcHjKRwgtuXBkf03OwjYZS4 InCw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1735560433; x=1736165233; h=content-transfer-encoding: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=aJplKN89YT8oo7ACc7iaq3neuMkc7cP0x6ghLALdGus=; b=DRET7c8eh4ILqNBZg1Xdsd6H1XXo4WMja9puIFIUDpauViwsR6KBfeQ41BtHQfH9O9 MdCHQZRj0q0cDz4KaHpVyYm5dJbvxm4P2u8BdLXJrorPLy9Sp4qzzNHk9DyBz6MqcHka bSLuyIGQqzafJsYxb3/ly+QMAloVE/EF3Tx2hSCwDQ74ZZZnJVcDfWSBEWzR4hrZLZyp IaQK418lghTFdpClyl8tMzWQJJ1dQgzzy/Q7cdxTESNZSa7WWkBwaO+NYbok2AkOMswm xXImsCmoc7WX4MEzwRJ+SH0749v1PywRnRZy8XikUc5x5ANtVlkPti5dkO3uShG/tG7w NnKQ== X-Forwarded-Encrypted: i=1; AJvYcCVfoU23QH6iD8Lg+sIoKH6uvmGcsl0T5fLdkYZO07xWQgFlErn30NGQJd0EaJmjwZV/Fuig/+MD5udUWw==@gnu.org X-Gm-Message-State: AOJu0YyMQd6L9lHoNl7BLXONlyR7MghBnuJHAXDWoE02JoOlFiAc8TmM XwQfBd5BG/Z6X13cIaS7ZMdWcEnF/RzslByttYoxZjuQSB58oQM4Kw5IQw== X-Gm-Gg: ASbGncvr7IdebAcs/EZBT4kbgpuNSkvGU4Ob6tBeG7uWqaE6ZMf7iizcU2yBboftf7a BKG2nDLxFSx4ccNivROSSGU6xd6v8z9oF9mU097X8KBiGmX0WoIWkPiZ1yDsl0/4EVCa7eGwmrG v4iz2mCjkRZBYPaq2JjIUBQoYTeCglH15T5CcZzUZ3qRVBACthhhYwY+xhjeQADk8TputdMRt91 opy/pNUeXnpIADqW1h18cHraHcF6/yAAMq6Ss70dqfN4Kfd0ziRBDsn8+aMqQP/80+U6E+XzQtS Mn38hBX0IgpNIf+Ek2LP/U4TfyO0YWYTDPkQOUpBnfqm1t2MpZ3BMSOTm+jalEDo X-Google-Smtp-Source: AGHT+IGQeUUsByFJQ3joSgSRufaP/V2I6npu4uE3Hp/dZFRYZJoi3+CS5IZOG5ifvmTntynKrZMLKA== X-Received: by 2002:a17:907:3d8d:b0:aab:c6a5:7c71 with SMTP id a640c23a62f3a-aac2ad7f996mr3162658066b.14.1735560433222; Mon, 30 Dec 2024 04:07:13 -0800 (PST) Original-Received: from pro2 (p200300e0b7156f000dceccb84ca1ba38.dip0.t-ipconnect.de. [2003:e0:b715:6f00:dce:ccb8:4ca1:ba38]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-aac0eae4338sm1444883166b.86.2024.12.30.04.07.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 30 Dec 2024 04:07:12 -0800 (PST) In-Reply-To: <87zfkd1mb9.fsf@protonmail.com> (Pip Cet's message of "Mon, 30 Dec 2024 10:46:28 +0000") Received-SPF: pass client-ip=2a00:1450:4864:20::62c; envelope-from=gerd.moellmann@gmail.com; helo=mail-ej1-x62c.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:327413 Archived-At: Pip Cet writes: > Gerd M=C3=B6llmann writes: > >> Gerd M=C3=B6llmann writes: >> Anyway, it definitely seems to be the case that MPS is _not_ running GCs >> concurrently, unless it would do things that I find highly unlikely. >> >> I find that a bit, let's say, disappointing, TBH :-(. > > Well, I think that MPS is bring-your-own-thread concurrent. I'm not > sure the current MPS can usefully be concurrent, because of the thread > suspension thing, but we can run it in another thread if we want to. > > (If it turns out that using a separate thread isn't an advantage, we > should look at reducing the size of our roots (or protecting them) > rather than giving up on the idea entirely. As long as other threads > freely move references to and from global roots, detecting unreachable > objects is hard.) (BTW, just remembering. MPS has root protection in it's API, but it's not implemented.)