From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS31976 209.132.180.0/23 X-Spam-Status: No, score=-3.9 required=3.0 tests=AWL,BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI shortcircuit=no autolearn=ham autolearn_force=no version=3.4.2 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by dcvr.yhbt.net (Postfix) with ESMTP id 3D7111F453 for ; Thu, 14 Feb 2019 22:13:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2438203AbfBNWNx (ORCPT ); Thu, 14 Feb 2019 17:13:53 -0500 Received: from mail-wr1-f51.google.com ([209.85.221.51]:44349 "EHLO mail-wr1-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388126AbfBNWNx (ORCPT ); Thu, 14 Feb 2019 17:13:53 -0500 Received: by mail-wr1-f51.google.com with SMTP id v16so8202294wrn.11 for ; Thu, 14 Feb 2019 14:13:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version; bh=quQ6OPYMA+SiU7bGiFboObpMN7YRX5+ndFn3JREs9pA=; b=U76cxepbwAk1NaiJOUORD0Ya+0rl/NkLv3wwDWppdWyHCfTIoV2+Kkzs5jqLQdUnd9 fJzHgiYI+5tMbslDpnyq22QFxh/gVzD+YrAJd6YMTH+gfqRas7LJTzK230BaGV7exyQj eU08AU1AMLj36ZO2mwuZWa/Bfro+0oxgyPRqFqxA509bKZevpBWjdjRdoGS8Aoih6aH0 rC5rS8k9FvzFNB1xm1xJ4B0qHaRIK45irae7PsAEOW8JJdvJZchHuTw9HVZHa9VZBNHa gcjC3vPVskWzgYhrU0761eRhpM+CZhhEV7EDQGyk83QlDHxYQ5IU8sDL1mj0scS0TRPo /1jQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:references:date :in-reply-to:message-id:user-agent:mime-version; bh=quQ6OPYMA+SiU7bGiFboObpMN7YRX5+ndFn3JREs9pA=; b=KT30bkysF14F4dG704aXdAd35Fifzc2CblTLnmZ9fMh8CpMz07EHQE7N2s1R7/Rax8 gGBqDHh3NbzjxMZ0HWLIxmt7lhOtjQg/beuajrzF95YM+0/SJUc+DZpyiJcpW4MIpxMa 4zzpP1OuSrfiRw4jKxGhl53oWOx5AvRc1nnNL+j6Uhm9RX6tiBiYfaqTpgCp5I8NCLl4 5xbh5Fs58wyl59nZEkTKRpL2EbYW3A/J9XNGCGCm/Fj/9zcr1t07dpH5LB8xAKvNDkMs lgYS+aRpqfHfA3KfaQTF5i9vxLfvf7iRk2LP/9vt/tqrn5/uKwtkZ0pXtVNuHJ5tAviZ sk+w== X-Gm-Message-State: AHQUAubh6sTaDrGT2zDeoF7rYUEoJt8Z139GP5uRx5+xH0aOxgpRU1Be YtZeL6wfLPVePyc/BtZvMTo= X-Google-Smtp-Source: AHgI3IaOzcYscWe7IotxUMqLNjzfw4+N/sqFy+EkXVIttycilTVi51PbSzercFVBdOeViwf94K9e4A== X-Received: by 2002:adf:c5d3:: with SMTP id v19mr4378340wrg.30.1550182430883; Thu, 14 Feb 2019 14:13:50 -0800 (PST) Received: from localhost (112.68.155.104.bc.googleusercontent.com. [104.155.68.112]) by smtp.gmail.com with ESMTPSA id f2sm4475498wmb.19.2019.02.14.14.13.49 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 14 Feb 2019 14:13:49 -0800 (PST) From: Junio C Hamano To: "Johannes Schindelin via GitGitGadget" Cc: git@vger.kernel.org, Randall Becker , Johannes Schindelin Subject: Re: [PATCH 1/1] tests: teach the test-tool to generate NUL bytes and use it References: <34cde0f2849a098c17ab83786da5ce06f69cfafa.1550179990.git.gitgitgadget@gmail.com> Date: Thu, 14 Feb 2019 14:13:49 -0800 In-Reply-To: <34cde0f2849a098c17ab83786da5ce06f69cfafa.1550179990.git.gitgitgadget@gmail.com> (Johannes Schindelin via GitGitGadget's message of "Thu, 14 Feb 2019 13:33:12 -0800 (PST)") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org "Johannes Schindelin via GitGitGadget" writes: > From: Johannes Schindelin > > In cc95bc2025 (t5562: replace /dev/zero with a pipe from > generate_zero_bytes, 2019-02-09), we replaced usage of /dev/zero (which > is not available on NonStop, apparently) by a Perl script snippet to > generate NUL bytes. > > Sadly, it does not seem to work on NonStop, as t5562 reportedly hangs. > ... > In the end, though, what counts is that this here change incidentally > fixes that hang (maybe also on NonStop?). Even more positively, it gets > rid of yet another unnecessary Perl invocation. Thanks for a quick band-aid. Will apply directly to 'master' so that we won't forget before -rc2. In the meantime, perhaps somebody who knows Perl interpreter's quirks well can tell us what's different between the obvious and simple C program and an equivalent in Perl to convince us why this is a good solution to the problem.