From owner-freebsd-questions@freebsd.org Mon Jul 27 11:34:40 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 E31F637EC86 for ; Mon, 27 Jul 2020 11:34:40 +0000 (UTC) (envelope-from 4250.82.1d4c20005c729c1.9a02f530dc1e3b7124ab4032b3d9459f@email-od.com) Received: from s1-b0c6.socketlabs.email-od.com (s1-b0c6.socketlabs.email-od.com [142.0.176.198]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4BFd4v72cFz4rBr for ; Mon, 27 Jul 2020 11:34:39 +0000 (UTC) (envelope-from 4250.82.1d4c20005c729c1.9a02f530dc1e3b7124ab4032b3d9459f@email-od.com) DKIM-Signature: v=1; a=rsa-sha256; d=email-od.com;i=@email-od.com;s=dkim; c=relaxed/relaxed; q=dns/txt; t=1595849680; x=1598441680; h=content-transfer-encoding:content-type:mime-version:references:in-reply-to:message-id:subject:cc:to:from:date:x-thread-info; bh=aIjQfOX9ZP1UYktHnnkMhD+S8zh00TicyDPEeOeynP8=; b=tuft+nygCltwPWRNKsPG/kl9qY7yhyORvOldF6YVrcXEKOf5OXlrLRawnJoGn/8xOr8KkdqTO22RWvuAanLullSz2ax2hJ6ziHHOfgStCpVGf5VPsAIIrzvsTrm6l2rf/Ng9xV8/goRHpMr6rk1NVtvFdB7i2saO7QbVoNTKHsk= X-Thread-Info: NDI1MC45Mi4xZDRjMjAwMDVjNzI5YzEuZnJlZWJzZC1xdWVzdGlvbnM9ZnJlZWJzZC5vcmc= Received: from r1.us-west-2.aws.in.socketlabs.com (r1.us-west-2.aws.in.socketlabs.com [142.0.190.1]) by mxsg2.email-od.com with ESMTP(version=Tls12 cipher=Aes256 bits=256); Mon, 27 Jul 2020 07:34:33 -0400 Received: from smtp.lan.sohara.org (EMTPY [185.202.17.215]) by r1.us-west-2.aws.in.socketlabs.com with ESMTP(version=Tls12 cipher=Aes256 bits=256); Mon, 27 Jul 2020 07:34:28 -0400 Received: from [192.168.63.1] (helo=steve.lan.sohara.org) by smtp.lan.sohara.org with smtp (Exim 4.92.3 (FreeBSD)) (envelope-from ) id 1k01Ok-000CwO-OX; Mon, 27 Jul 2020 12:34:26 +0100 Date: Mon, 27 Jul 2020 12:34:26 +0100 From: Steve O'Hara-Smith To: RW Cc: RW via freebsd-questions Subject: Re: Ask stupid questions and you'll get a stupid answers, was: Technological advantages over Linux Message-Id: <20200727123426.ce15bc7c46df88145ba9c0be@sohara.org> In-Reply-To: <20200727122502.2912b5ca@gumby.homeunix.com> 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> <20200727122502.2912b5ca@gumby.homeunix.com> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.32; 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DKIM_TRACE(0.00)[email-od.com:+]; RCPT_COUNT_TWO(0.00)[2]; RCVD_IN_DNSWL_NONE(0.00)[142.0.176.198:from]; NEURAL_HAM_SHORT(-1.10)[-1.099]; FREEMAIL_TO(0.00)[googlemail.com]; FORGED_SENDER(0.30)[steve@sohara.org,4250.82.1d4c20005c729c1.9a02f530dc1e3b7124ab4032b3d9459f@email-od.com]; MIME_TRACE(0.00)[0:+]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:7381, ipnet:142.0.176.0/22, country:US]; FROM_NEQ_ENVFROM(0.00)[steve@sohara.org,4250.82.1d4c20005c729c1.9a02f530dc1e3b7124ab4032b3d9459f@email-od.com]; MID_RHS_MATCH_FROM(0.00)[] 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 11:34:40 -0000 On Mon, 27 Jul 2020 12:25:02 +0100 RW via freebsd-questions wrote: > 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. Somehow I just knew it wasn't a new idea. -- Steve O'Hara-Smith