From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sa-prd-fep-049.btinternet.com (mailomta6-sa.btinternet.com [213.120.69.12]) by sourceware.org (Postfix) with ESMTPS id A321E3858D1E for ; Sun, 14 Jan 2024 17:30:26 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org A321E3858D1E Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=dronecode.org.uk Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=dronecode.org.uk ARC-Filter: OpenARC Filter v1.0.0 sourceware.org A321E3858D1E Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=213.120.69.12 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1705253429; cv=none; b=UJf2or3G9sVJhllQoy+qP11zQYxJVBl4KUDW89PcGHvnHn/zflMR4ibhVVeZfvwEmlm25XPFKPSIMmZhQTYKeFt1vAxrayd2DmkHq98HoRWH+zMUoTRt78cBnlmRYAiOztuVw8cGlEARnGTQGWdXIjvTVo8SRusNobbuZruZ1D4= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1705253429; c=relaxed/simple; bh=xjzIEVmOM+2lGh6BgxSNa5F8I6uo3uIqq4QRysOOwwk=; h=Message-ID:Date:MIME-Version:Subject:To:From; b=Vd/KwZ+Q50Fo8qcuO2K3aa9fbH0DFMjPFNDacxRwUsHrhAxE+y5VzU98caTLAHrIOTclNFa6DNhsLxDxFla7OP1rvMlb9ZlJoAMt/HdiCoCTzDeAuC5olqYwjErwBEYGQkRr1q2XxceeczT0PYqw7ZOeMrebdrcnZ9gCCVKnVPI= ARC-Authentication-Results: i=1; server2.sourceware.org Received: from sa-prd-rgout-004.btmx-prd.synchronoss.net ([10.2.38.7]) by sa-prd-fep-049.btinternet.com with ESMTP id <20240114173024.PJE27949.sa-prd-fep-049.btinternet.com@sa-prd-rgout-004.btmx-prd.synchronoss.net>; Sun, 14 Jan 2024 17:30:24 +0000 Authentication-Results: btinternet.com; auth=pass (PLAIN) smtp.auth=jonturney@btinternet.com; bimi=skipped X-SNCR-Rigid: 6567CEC105F8B46B X-Originating-IP: [86.139.158.103] X-OWM-Source-IP: 86.139.158.103 X-OWM-Env-Sender: jon.turney@dronecode.org.uk X-VadeSecure-score: verdict=clean score=0/300, class=clean X-RazorGate-Vade: gggruggvucftvghtrhhoucdtuddrgedvkedrvdeiledguddtvdcutefuodetggdotefrodftvfcurfhrohhfihhlvgemuceutffkvffkuffjvffgnffgvefqofdpqfgfvfenuceurghilhhouhhtmecufedtudenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujfgurhepkfffgggfuffvfhfhvegjtgfgsehtjeertddtvdejnecuhfhrohhmpeflohhnucfvuhhrnhgvhicuoehjohhnrdhtuhhrnhgvhiesughrohhnvggtohguvgdrohhrghdruhhkqeenucggtffrrghtthgvrhhnpefhfeefjeevveejhfffgeeiuedvgfevkeehtedvvdeiffeffeeutefhfeeuueefffenucffohhmrghinhepghhithhhuhgsrdgtohhmpdhfrhgvvggsshgurdhorhhgpdhmrghnjedrohhrghenucfkphepkeeirddufeelrdduheekrddutdefnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehhvghloheplgduledvrdduieekrddurddutdejngdpihhnvghtpeekiedrudefledrudehkedruddtfedpmhgrihhlfhhrohhmpehjohhnrdhtuhhrnhgvhiesughrohhnvggtohguvgdrohhrghdruhhkpdhnsggprhgtphhtthhopedvpdhrtghpthhtohepvehhrhhishhtihgrnhdrhfhrrghnkhgvsehtqdhonhhlihhnvgdruggvpdhrtghpthhtoheptgihghifihhnqdhprghttghhvghssegthihgfihinhdrtghomhdprhgvvhfkrfephhhoshhtkeeiqddufeelqdduheekqddutdefrdhrrghnghgvkeei qddufeelrdgsthgtvghnthhrrghlphhluhhsrdgtohhmpdgruhhthhgpuhhsvghrpehjohhnthhurhhnvgihsegsthhinhhtvghrnhgvthdrtghomhdpghgvohfkrfepifeupdfovfetjfhoshhtpehsrgdqphhrugdqrhhgohhuthdqtddtge X-RazorGate-Vade-Verdict: clean 0 X-RazorGate-Vade-Classification: clean Received: from [192.168.1.107] (86.139.158.103) by sa-prd-rgout-004.btmx-prd.synchronoss.net (authenticated as jonturney@btinternet.com) id 6567CEC105F8B46B; Sun, 14 Jan 2024 17:30:24 +0000 Message-ID: <3ab13e94-fd3a-41c8-8392-fcd72042d0e9@dronecode.org.uk> Date: Sun, 14 Jan 2024 17:30:24 +0000 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] Cygwin: introduce close_range Content-Language: en-GB To: Christian Franke References: <83cfd6b3-6824-fd9f-794b-7fc428f8c80d@t-online.de> From: Jon Turney Cc: cygwin-patches@cygwin.com In-Reply-To: <83cfd6b3-6824-fd9f-794b-7fc428f8c80d@t-online.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.4 required=5.0 tests=BAYES_00,JMQ_SPF_NEUTRAL,KAM_DMARC_STATUS,KAM_SHORT,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H5,RCVD_IN_MSPIKE_WL,SPF_HELO_PASS,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On 14/01/2024 16:07, Christian Franke wrote: > Recently I learned about the existence and usefulness of close_range(): > https://github.com/smartmontools/smartmontools/issues/235 > > https://man.freebsd.org/cgi/man.cgi?query=close_range&sektion=2 > https://man7.org/linux/man-pages/man2/close_range.2.html > > Note that the above Linux man page is not fully correct. The include > file "linux/close_range.h" exists, but provides only the defines. It is > sufficient to include "unistd.h" as on FreeBSD. > > The attached patch adds this to Cygwin. It does not implement the > Linux-specific CLOSE_RANGE_UNSHARE as I have no idea how to do this :-) This API should also be mentioned in the "System interfaces compatible with GNU or Linux extensions" section of doc/posix.xml