From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.2 Received: from primenet.com.au (ns1.primenet.com.au [203.24.36.2]) by inbox.vuxu.org (OpenSMTPD) with ESMTP id a31fe075 for ; Mon, 1 Jul 2019 14:40:44 +0000 (UTC) Received: (qmail 1660 invoked by alias); 1 Jul 2019 14:40:35 -0000 Mailing-List: contact zsh-workers-help@zsh.org; run by ezmlm Precedence: bulk X-No-Archive: yes List-Id: Zsh Workers List List-Post: List-Help: List-Unsubscribe: X-Seq: 44472 Received: (qmail 821 invoked by uid 1010); 1 Jul 2019 14:40:35 -0000 X-Qmail-Scanner-Diagnostics: from mail-lj1-f172.google.com by f.primenet.com.au (envelope-from , uid 7791) with qmail-scanner-2.11 (clamdscan: 0.101.2/25496. spamassassin: 3.4.2. Clear:RC:0(209.85.208.172):SA:0(-1.9/5.0):. Processed in 1.707154 secs); 01 Jul 2019 14:40:35 -0000 X-Envelope-From: schaefer@brasslantern.com X-Qmail-Scanner-Mime-Attachments: | X-Qmail-Scanner-Zip-Files: | Received-SPF: pass (ns1.primenet.com.au: SPF record at _netblocks.google.com designates 209.85.208.172 as permitted sender) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=brasslantern-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=g03Y6WaKGC1Ae2J2GLMBnid4Y2lzt2B71rnQwNMfcfE=; b=t12p0ye+TD99337jLGdmmHxxA6aDJb3gCS8dSxt9P7Z3ZeNTSPmhGDKI1CHrVU8ON/ HjuSOLduyI6jLLSCv+8JgjgS3JQlipFhamgncC/qNsNV5aHqNS9gHCMI6cRVnwE+Z23P r4tAJo507eTY79Kdu44vROKw2nx31BgKWj1kduod5Fg13Pjqk7XT8XN8Elws+QZepSNw 18pcSx7aRn28LMGA/i2KYA8wWmOm3R8ehm3BFsbtrsAKgba4y8aNZz3sD2dnqWMYFQ3n ZWuGQln0dBI0u2TdcgZRnIkMJ+1zm8bJKcWZ8CFfmJHRcdCX1OC4JaFLTkPUBLeuw7PL qvzA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=g03Y6WaKGC1Ae2J2GLMBnid4Y2lzt2B71rnQwNMfcfE=; b=je9WHHl1kndbIqc88rFD/jvluIT5WwMtaWsNR1Bayl0jLayDlFjiGxlvUb0jaGiyek wNXy4ePZ9Q4paB+U4ymbl72gDEA4c5onbwnqyqbqdz7/6CETY2yX7jFPHX+1mo0jdG4d lpGrx7k5kWFKjwntl0gVPvDueP8Zm9wXN/Jtt6QTyLaqed5Fd39WFCiSAll8KBEQHg12 T/k4kl0ybm8NJWnlkrsqjFoNUBz3AdUbOOBZmcF6YyK0cSsvSZ6CbGENQkNrxEk5vOU6 zkM58B3kwjB3LEE3OMc6UIt5UFdYKrJS5HSIOuWQ3fVeSP7t1ekoLYC3K+dA8vJyNtc9 E1eA== X-Gm-Message-State: APjAAAWXdOScowLiIJPKm5wXa5cNMius4OWJJ5MDTJu8ewDf42PXB2Iq 5kGszat8zIdP4Jy8xQ5czjEIdmMHM0dMQRjrpF6Yfx96HppD4w== X-Google-Smtp-Source: APXvYqw3QpkOSNO2QdUtQiwarNQTl7OgEeIWuaKRPxRGegnbj2CjxjDnmgl5JBQokLo8Nn9gXK/t8zwx4JlL0t7uIyY= X-Received: by 2002:a2e:9d18:: with SMTP id t24mr14693687lji.2.1561991998195; Mon, 01 Jul 2019 07:39:58 -0700 (PDT) MIME-Version: 1.0 References: <20190701100001.hbegs7zyu2auckhf@chaz.gmail.com> <1561975733.6006.2.camel@samsung.com> In-Reply-To: <1561975733.6006.2.camel@samsung.com> From: Bart Schaefer Date: Mon, 1 Jul 2019 07:39:46 -0700 Message-ID: Subject: Re: <(...), >(...) and fds above 9 To: "zsh-workers@zsh.org" Content-Type: text/plain; charset="UTF-8" On Mon, Jul 1, 2019 at 3:09 AM Peter Stephenson wrote: > > On Mon, 2019-07-01 at 11:00 +0100, Stephane Chazelas wrote: > > > > It seems fds above 9 are closed in those forms of process substitutions. > > > > It doesn't happen for the =(...) form of process substitution. > > > > Is that intentional? > > I'd be surprised if there was any deliberate intention to make these different, > but there may be some detail I can't think of. <(...) does entersubsh(ESUB_ASYNC|ESUB_PGRP, NULL); whereas =(...) does entersubsh(ESUB_PGRP|ESUB_NOMONITOR, NULL); The fds above 9 are only closed for ASYNC, I think.