From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 18868 invoked by alias); 21 Jan 2020 02:47:51 -0000 Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Received: (qmail 18858 invoked by uid 89); 21 Jan 2020 02:47:51 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-7.6 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 spammy=BF, $BF, bf, $bf X-HELO: conssluserg-03.nifty.com Received: from conssluserg-03.nifty.com (HELO conssluserg-03.nifty.com) (210.131.2.82) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Tue, 21 Jan 2020 02:47:49 +0000 Received: from Express5800-S70 (ntsitm247158.sitm.nt.ngn.ppp.infoweb.ne.jp [124.27.253.158]) (authenticated) by conssluserg-03.nifty.com with ESMTP id 00L2lb2c028665 for ; Tue, 21 Jan 2020 11:47:38 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conssluserg-03.nifty.com 00L2lb2c028665 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.ne.jp; s=dec2015msa; t=1579574858; bh=KR7vgvGy9u/PFegLcmSKY+xbb2sDKo3pOn+AB6uTUKI=; h=Date:From:To:Subject:In-Reply-To:References:From; b=oUACuIAkXzM7BuiHkp4uOLPr904ih5BD/YoNrKI8Xz+LKsLFCDop+7u6Tkd0HRZqM ZIPMLQg5LMoY+PsXpqQvqe9OCgfaTx97SsRNf31NVXnLtMitjaC5/DZ9yP5vZTcjEr M9ENztcE/9m5HuINxqtSKKmTmcSCk3uNm+U/o9lHJGDhv2FN01AOHm9D8NcUzbQqwr qULvP/fkSkONkvA5XJaBo3qVN6rTr4Qz8SkRrTxmu8wMaaa492kTCTc32OWYeXdwYh svpSMGrJdmhJZKk1B5d+KkngQ2ROTdD3RDzkTMejPtBN6dQayGAbCdCWua3gLbOxhh MqNr98UcEu3jg== Date: Tue, 21 Jan 2020 02:47:00 -0000 From: Takashi Yano To: cygwin@cygwin.com Subject: Re: Cygwin 3.1.2: Every call of exec(2) in the session starts to create a console window after some TTY outputs from programs compiled with "-mwindows" Message-Id: <20200121114747.d685f0be18276ee1d5002854@nifty.ne.jp> In-Reply-To: References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-2022-JP Content-Transfer-Encoding: 7bit X-IsSubscribed: yes X-SW-Source: 2020-01/txt/msg00172.txt.bz2 On Tue, 21 Jan 2020 10:30:48 +0800 Koichi Murase wrote: > 2020年1月20日(月) 15:17 Marco Atzeri: > > > > I can not replicate with latest snapshot > > > > $ uname -a > > CYGWIN_NT-10.0 LAPTOP-82F08ILC 3.1.2s(0.340/5/3) 2020-01-14 16:33 x86_64 > > Cygwin > > > > $ mintty --version > > mintty 3.1.0 (x86_64-pc-cygwin) > > ... > > > > $ for i in {0..99}; do date; done | uniq -c > > 6 Mon, Jan 20, 2020 8:15:49 AM > > 18 Mon, Jan 20, 2020 8:15:50 AM > > 19 Mon, Jan 20, 2020 8:15:51 AM > > 16 Mon, Jan 20, 2020 8:15:52 AM > > 20 Mon, Jan 20, 2020 8:15:53 AM > > 21 Mon, Jan 20, 2020 8:15:54 AM > > Thank you for the information. I found that the locale also matters. > The problem is not yet fixed in the snapshot and also the latest > commit of the git repository. > > > Repeat-By: > > I update the steps to reproduce the problem: > > 1. Open Cygwin Terminal > 2. Run the following commands > > $ LANG=ja_JP.UTF-8 > $ mintty --version > $ for a in {0..99}; do date; done | uniq -c > > > Locale: > > I found that the problem is reproduced when LANG=ja_JP.UTF-8. I > tried LANG=C and LANG=en_US.UTF-8, but the problem was not present > with these locales. I tried several locales as follows. It appears > it is related to multi-byte character sets, and also the problem > does not occur if UTF-8 is not specified. > > * Not reproduced with: en_US.UTF-8, en_GB.UTF-8, de_DE.UTF-8, > fr_FR.UTF-8, ru_RU.UTF-8, ja_JP > > * Reproduced with: ja_JP.UTF-8, ja_JP.utf8, zh_CN.UTF-8, > zh_TW.UTF-8, ko_KR.UTF-8 > > Next I tried to find out which locale category causes the problem, > but the problem is not reproduced by just specifying a locale for > one locale category. I tried the following, but none reproduced the > problem. > > $ LANG=en_US.UTF-8 LC_CTYPE=ja_JP.UTF-8; mintty --version > $ for a in {0..99}; do date; done | uniq -c > $ LANG=en_US.UTF-8 LC_COLLATE=ja_JP.UTF-8; mintty --version > $ for a in {0..99}; do date; done | uniq -c > $ LANG=en_US.UTF-8 LC_MESSAGES=ja_JP.UTF-8; mintty --version > $ for a in {0..99}; do date; done | uniq -c > $ LANG=en_US.UTF-8 LC_NUMERIC=ja_JP.UTF-8; mintty --version > $ for a in {0..99}; do date; done | uniq -c > $ LANG=en_US.UTF-8 LC_TIME=ja_JP.UTF-8; mintty --version > $ for a in {0..99}; do date; done | uniq -c > $ LANG=en_US.UTF-8 LC_MONETARY=ja_JP.UTF-8; mintty --version > $ for a in {0..99}; do date; done | uniq -c > > Other interesting observations are > > 1. To reproduce the problem, LANG needs not be set to > ja_JP.UTF-8 when "mintty --version" runs, i.e., it can be > reproduced with: > > $ mintty --version > $ LANG=ja_JP.UTF-8 > $ for a in {0..99}; do date; done | uniq -c > > 2. Once the exec starts to create a console window, the problem > persists even after resetting LANG to a non-problematic one: > > $ mintty --version > $ LANG=en_US.UTF-8 > $ for a in {0..99}; do date; done | uniq -c > > $ LANG=ja_JP.UTF-8 > $ for a in {0..99}; do date; done | uniq -c > > $ LANG=en_US.UTF-8 > $ for a in {0..99}; do date; done | uniq -c > > > > Cygwin Versions: > > In my environments, it is reproduced with the latest snapshot as > well. I also tried the latest version of the git repository, but > the problem has not yet fixed. I tried the following versions, but > with all the versions the same problem occurs: > > 1. Cygwin 3.1.2 > > $ uname -a > CYGWIN_NT-10.0 letsnote2019 3.1.2(0.340/5/3) 2019-12-21 15:25 x86_64 > Cygwin > > 2. Snapshot 2020-01-14 from https://cygwin.com/snapshots/ > > $ uname -a > CYGWIN_NT-10.0 letsnote2019 3.1.2s(0.340/5/3) 2020-01-14 16:33 x86_64 > Cygwin > > 3. Commit 85aff2830 from git://sourceware.org/git/newlib-cygwin.git > > $ uname -a > CYGWIN_NT-10.0 letsnote2019 3.1.2(0.340/5/3) 2020-01-19 15:12 x86_64 > Cygwin > > 4. Commit 4261a8f5c from git://sourceware.org/git/newlib-cygwin.git > > $ uname -a > CYGWIN_NT-10.0 letsnote2019 3.1.2(0.340/5/3) 2020-01-21 00:57 x86_64 > Cygwin > > Also, this is not a specific problem of one computer because I tried > with two laptops and both reproduce the same problem. Thanks for the report. I could reproduce the problem under LANG=ja_JP.UTF-8. I have almost caught the culprit. Please wait for a while. -- Takashi Yano -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple