From owner-freebsd-questions@freebsd.org Mon Jul 27 11:25:09 2020 Return-Path: Delivered-To: freebsd-questions@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 5A7E037E904 for ; Mon, 27 Jul 2020 11:25:09 +0000 (UTC) (envelope-from rwmaillists@googlemail.com) Received: from mail-wm1-x341.google.com (mail-wm1-x341.google.com [IPv6:2a00:1450:4864:20::341]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4BFcsw0J5Vz4qmX for ; Mon, 27 Jul 2020 11:25:07 +0000 (UTC) (envelope-from rwmaillists@googlemail.com) Received: by mail-wm1-x341.google.com with SMTP id f18so14397069wml.3 for ; Mon, 27 Jul 2020 04:25:07 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:subject:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=5rwi2raFI1nwogNg8VNyoDrtmXq7J495p+9C0UcKbQk=; b=Pjzf815RhBrA9kX2rw/BJrLUxKTsUCN3PORRY9Tr/y+0yl+l77xtEieZfQ0+ECRCmr HDIa7bko1lEaBnqU2TMhPZGaCDBKCznDawag7NHNFMoQtG2WTWgzqKY6ytnTtruarEzb 0H6Wlct3eWzZVOUsiDYkPrjyq5fInMySWWweTS+zOfr7We8Cbj9b0QGXXg87a6FL1l1l a/EAXGYVvk/5C+ocuCL2Lk1hNwiart1+J/SqPgp7gXHExxfEo3LMk6VG5BEkOk0EZiDP YAxgst9mBLGLB/nSBlz5+kByb21BWtc5L5OEtcw92Wo55HBk3pL0FHtPwONjemp6kvM1 W/eQ== X-Gm-Message-State: AOAM533Gba1RP9lmVSmou6Bx20kcTTOXQB4/S+yelvt8+39SOjgjFuq9 9kjKh1+vFZWyZtwkyr6l+2Ux26iL X-Google-Smtp-Source: ABdhPJwvRdfk2LazDFBfu5N4sWdBcAOJWnYoyk/lXenMk95lKSuOIe5AsAJKp+c3ThztR5WXzm/FhQ== X-Received: by 2002:a1c:6845:: with SMTP id d66mr339468wmc.36.1595849105629; Mon, 27 Jul 2020 04:25:05 -0700 (PDT) Received: from gumby.homeunix.com ([2.222.65.254]) by smtp.gmail.com with ESMTPSA id 5sm16565043wmk.9.2020.07.27.04.25.03 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Jul 2020 04:25:04 -0700 (PDT) Date: Mon, 27 Jul 2020 12:25:02 +0100 From: RW To: freebsd-questions@freebsd.org Subject: Re: Ask stupid questions and you'll get a stupid answers, was: Technological advantages over Linux Message-ID: <20200727122502.2912b5ca@gumby.homeunix.com> In-Reply-To: <20200727020921.92e951f7.freebsd@edvax.de> References: <20200725152412.GJ92589@admin.sibptus.ru> <20200725162403.GA4721@admin.sibptus.ru> <20200725182554.deffc63058a7c9f6d343ef06@sohara.org> <04df312d-9b2b-1873-2117-79a49e089bd9@kicp.uchicago.edu> <20200726063256.GA22924@admin.sibptus.ru> <20200726093909.ee5e14e643d31da4dad5c804@sohara.org> <20200726151835.GA35966@admin.sibptus.ru> <27ca8c6c-6b06-6ad4-7af0-2b88f51a3856@kicp.uchicago.edu> <20200726165212.a0ac28ce104b9dfd009cc4c5@sohara.org> <7290c25a-aaf3-b864-0ed8-ec9558777681@kicp.uchicago.edu> <20200726213915.00772928e53bd4105872ee71@sohara.org> <20200727020921.92e951f7.freebsd@edvax.de> X-Mailer: Claws Mail 3.17.5 (GTK+ 2.24.32; amd64-portbld-freebsd12.1) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4BFcsw0J5Vz4qmX X-Spamd-Bar: --- X-Spamd-Result: default: False [-3.47 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; R_DKIM_ALLOW(-0.20)[googlemail.com:s=20161025]; RECEIVED_SPAMHAUS_PBL(0.00)[2.222.65.254:received]; FROM_HAS_DN(0.00)[]; FREEMAIL_FROM(0.00)[googlemail.com]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-questions@freebsd.org]; TO_DN_NONE(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; NEURAL_HAM_LONG(-0.99)[-0.987]; RCVD_COUNT_THREE(0.00)[3]; NEURAL_HAM_MEDIUM(-0.99)[-0.994]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36]; DKIM_TRACE(0.00)[googlemail.com:+]; DMARC_POLICY_ALLOW(-0.50)[googlemail.com,quarantine]; RCVD_IN_DNSWL_NONE(0.00)[2a00:1450:4864:20::341:from]; NEURAL_HAM_SHORT(-0.48)[-0.484]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVFROM(0.00)[googlemail.com]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; RCVD_TLS_ALL(0.00)[]; DWL_DNSWL_NONE(0.00)[googlemail.com:dkim] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 27 Jul 2020 11:25:09 -0000 On Mon, 27 Jul 2020 02:09:21 +0200 Polytropon wrote: > On Sun, 26 Jul 2020 21:39:15 +0100, Steve O'Hara-Smith wrote: > > The trouble is there really isn't anything else the OS can > > do because nobody ever thought to implement > > SIG_RELEASE_SOME_MEMORY_PLEASE which would probably be the ideal > > solution provided at least *some* programs responded to it. > > As you mentioned, it depends on the problem programs ("apps") to > actually receive and act upon such a signal. It's not implemented as a signal, but I gather that OS X has a message of that type. There is an incentive to support it as makes the process less likely to be killed.