From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-oi1-x22a.google.com (mail-oi1-x22a.google.com [IPv6:2607:f8b0:4864:20::22a]) by sourceware.org (Postfix) with ESMTPS id 827A23858C2C; Sat, 26 Aug 2023 17:40:42 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 827A23858C2C Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-oi1-x22a.google.com with SMTP id 5614622812f47-3a88ef9444bso1391997b6e.1; Sat, 26 Aug 2023 10:40:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1693071641; x=1693676441; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=mZPbHRAj6bGPWKUE0TnWuxtrRvghF2tMWmcsbfw8olA=; b=KQnpdlZkJ4I3CuLIrJpFii7bHPDYzehOf136sDS5XztYJVnjf6lsut72XcdA0Mqb16 Lev/mPa+nB3m2dpn+4VMXbx7XstcQBmoLw/CDDfcemYL9FTCGbxmsGz2eslXNpPx0mTJ 3GaCM/RCLEUePubUgXVendYtST/KuW5nTu5Gtp39m3O3vApPQ8Efz5B2vr2emSN1O9mp iQ2ezf8qLwH6kzkjn6qPiQNcC/0f5dmfZQ/9x2M7P2GdQtGCWCIP3WWtn+d3KFMj99bl RJLE64+n8JmWf/6wVQ0HCoxAXSECLOByrma9uiZb8IKXix5aXmCYZkwR5EKMrp9lmtLk sXvQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1693071641; x=1693676441; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=mZPbHRAj6bGPWKUE0TnWuxtrRvghF2tMWmcsbfw8olA=; b=Nbm1jKj2Z/5iwBw4s3NjLTJf7aTwxFePilHDfAvG/tRk1TM1o/CQPTpUTUI1o+93uU SE0Iax5IYL2eTtbZHbKnC2/F7zZXdQe7R9tZLLsyUseqevZGZV/oNk2z6Q0O9yIlIuUS lo6Cnb/rhjLubb2JO50L/soFioHqjcjWHanENWwbd9oi1tareFsEtm9Iu/Cn8u6QgKyT HWiuw5MPYzTXqjOFqzD7xCYyMPmcdxXt9HkdSoSbztY2Iu8PYwwaobgsQq7399soe3MC XxP38uXzd8Rv6aVCjfiacK6K6fH6isF19bYtQzDLmwuHxBRpiF7yAuo+eNyMkkoXemqI hS8Q== X-Gm-Message-State: AOJu0Yz6ND8fYsml+nY8KI5dwqpYL6VwhTWre7R5vepcKJ9OEtOwGsms 79TkiuuffMTYHig9TA7a+sbMZdipdmBAG5HRpRcfDzwwGguHnmKk X-Google-Smtp-Source: AGHT+IHKsQnQ9Yj1KVmdkeVZT8ioHjYWti4kbw48ryEr6brD7qnXF4YSXOsE9LEIeJMK3ZDT2pODNsjRgv0sZoKj5KE= X-Received: by 2002:a05:6870:32d3:b0:1bb:a264:a7ba with SMTP id r19-20020a05687032d300b001bba264a7bamr7005173oac.56.1693071641573; Sat, 26 Aug 2023 10:40:41 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Martin Wege Date: Sat, 26 Aug 2023 19:40:30 +0200 Message-ID: Subject: Re: How to fix |mkfifo()| failure if |pathname| is on NFS ? / was: Re: [EXTERNAL] Re: mkfifo: cannot set permissions of 'x.fifo': Not a directory To: cygwin@cygwin.com Cc: Corinna Vinschen Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=0.3 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,KAM_SHORT,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,TXREP autolearn=ham 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 Sat, Aug 26, 2023 at 4:16=E2=80=AFPM Corinna Vinschen via Cygwin wrote: > > On Aug 26 13:26, Cedric Blancher via Cygwin wrote: > > On Fri, 25 Aug 2023 at 14:26, Corinna Vinschen via Cygwin > > wrote: > > > > > > On Aug 25 14:18, Corinna Vinschen via Cygwin wrote: > > > > On Aug 23 01:05, Roland Mainz via Cygwin wrote: > > > > > 2. Check whether the filesystem for the fifos path is NFS > > > > > (cgywin.dll's |fs.fs_is_nfs()|), and then just refuse |mkfifo()| = with > > > > > |ENOSYS| (not implemented) > > > > > > > > I like the idea. > > > > > > EPERM, btw. See https://man7.org/linux/man-pages/man2/mknod.2.html > > > > > > > I am vehemently opposed to that idea. That will IMHO not only be the > > wrong solution, it will break actual things like autoconf&friends on > > NFS - they create fifos for testing, but do not use them. If you just > > make this return EPERM, then you break stuff we have to rely on. > > https://cygwin.com/acronyms/#STC, please.# Real world failure for Cygwin on NFS: wget 'http://deb.debian.org/debian/pool/main/k/ksh93u+m/ksh93u+m_1.0.4.orig= .tar.gz cd ksh-1.0.4 $PWD/bin/package make This fails with Cygwin 3.4.8-1: cat buildlog.log package: update /cygdrive/z/arbeitdfn/windows_ksh/build_nfsv3/ksh-1.0.4/bin/execrate package: initialize the /cygdrive/z/arbeitdfn/windows_ksh/build_nfsv3/ksh-1.0.4/arch/cygwin.i386-64 view package: update /cygdrive/z/arbeitdfn/windows_ksh/build_nfsv3/ksh-1.0.4/arch/cygwin.i386-64= /lib/probe/C/make/probe package: update /cygdrive/z/arbeitdfn/windows_ksh/build_nfsv3/ksh-1.0.4/arch/cygwin.i386-64= /bin/mamake package: make with mamake package: make output captured in /cygdrive/z/arbeitdfn/windows_ksh/build_nfsv3/ksh-1.0.4/arch/cygwin.i386-64= /lib/package/gen/make.out mkfifo: cannot set permissions of '/cygdrive/z/arbeitdfn/windows_ksh/build_nfsv3/ksh-1.0.4/arch/cygwin.i386-6= 4/lib/package/gen/make.out.fifo': No such file or directory package: make done at Fri Aug 26 19:24:26 CEST 2023 in /cygdrive/z/arbeitdfn/windows_ksh/build_nfsv3/ksh-1.0.4/arch/cygwin.i386-64 If you need more examples just let me now, we have MUCH more of that... Thanks, Martin