Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > gnu.bash.bug > #14969

Re: [Help-bash] Why does ctrl-c behave differently for builtin sleep in a subshell?

Path csiph.com!weretis.net!feeder6.news.weretis.net!news.linkpendium.com!news.linkpendium.com!panix!usenet.stanford.edu!not-for-mail
From Chet Ramey <chet.ramey@case.edu>
Newsgroups gnu.bash.bug
Subject Re: [Help-bash] Why does ctrl-c behave differently for builtin sleep in a subshell?
Date Thu, 27 Dec 2018 13:46:24 -0500
Organization ITS, Case Western Reserve University
Lines 14
Approved bug-bash@gnu.org
Message-ID <mailman.6406.1545936395.1284.bug-bash@gnu.org> (permalink)
References <CABrM6w=ATuNj9bXPDOr_otsJEwRXghBEn2Fno1TWuKou2_tsbQ@mail.gmail.com> <CABrM6wn-UfBmV4JG6yvcPGWz5TZy7qn0yLOhJzjF6fMsQMwx-g@mail.gmail.com> <CABrM6wmEAOEB6byLVbihEbiBO4phbWg7yuwo1o6aY8chsDzpxw@mail.gmail.com>
Reply-To chet.ramey@case.edu
NNTP-Posting-Host lists.gnu.org
Mime-Version 1.0
Content-Type text/plain; charset=utf-8
Content-Transfer-Encoding 7bit
X-Trace usenet.stanford.edu 1545936396 31037 208.118.235.17 (27 Dec 2018 18:46:36 GMT)
X-Complaints-To action@cs.stanford.edu
Cc chet.ramey@case.edu
To Peng Yu <pengyu.ut@gmail.com>, help-bash <help-bash@gnu.org>, bug-bash <bug-bash@gnu.org>
Envelope-to bug-bash@gnu.org
X-Google-DKIM-Signature v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:reply-to:cc:subject:to:references:from:openpgp :autocrypt:organization:message-id:date:user-agent:mime-version :in-reply-to:content-language:content-transfer-encoding; bh=y29wmUo1qFKvoFSgEMu0UrcPNoIYRN0m8nxYTDA1BMw=; b=RDkyD8SvqEMmC+hNm3HD/jy9WcTnzp/PD2eteS8XMLI7dMzGjGJA3mYfAR6+OlQ5Pb t9yG/xShxvTLdZ0FIa3nuR6NjYskgNiljpA0dxYaOX64w2gb4m5zmOYlg9Takxhc3YYb I76jfAafRLnTkqWUUxosGtg2NVrPOiLmwy/hmGP7rVrzFvqG2E8YZxplfuWXom/hzt+C vyQkt69D5vu2H5XmQpmtrvedw0KbjsfdQKSEHeX7pizYo+Tw996KO9mw4tiVyUgD6Qh+ Hzy4CxfZzht3RxR5ZOjYrw00PeizLb0+VhuwxzL2Jy2XZ/XavMRYqSj/aHM97xwj9/ft CJjg==
X-Gm-Message-State AA+aEWYo4hO38wKioZV2OKI4t6qwEyRXfqnk6CpmqYtMtGpoObqiHHnF EWZHJNAwtKNXvIK5/RZ/KHELS5Qa6vEJCA28F8Ag2lBVR8ObKsaNQoByLgmjOk7+YLkqw+KSgol ku+Y0QRpmCyQ=
X-Received by 2002:a81:e50d:: with SMTP id s13mr24675078ywl.405.1545936386355; Thu, 27 Dec 2018 10:46:26 -0800 (PST)
X-Google-Smtp-Source AFSGD/VlYyskMZzHxI2flrep/qe+3f3jofMFRoNoLQFRAwF1KYk/Y6FSwSQbqdvdGNNiROJ1AU1Thw==
X-Received by 2002:a81:e50d:: with SMTP id s13mr24675067ywl.405.1545936386123; Thu, 27 Dec 2018 10:46:26 -0800 (PST)
Openpgp preference=signencrypt
Autocrypt addr=chet.ramey@case.edu; prefer-encrypt=mutual; keydata= xsDiBEEOsGwRBACFa0A1oa71HSZLWxAx0svXzhOZNQZOzqHmSuGOG92jIpQpr8DpvgRh40Yp AwdcXb8QG1J5yGAKeevNE1zCFaA725vGSdHUyypHouV0xoWwukYO6qlyyX+2BZU+okBUqoWQ koWxiYaCSfzB2Ln7pmdys1fJhcgBKf3VjWCjd2XJTwCgoFJOwyBFJdugjfwjSoRSwDOIMf0D /iQKqlWhIO1LGpMrGX0il0/x4zj0NAcSwAk7LaPZbN4UPjn5pqGEHBlf1+xDDQCkAoZ/VqES GZragl4VqJfxBr29Ag0UDvNbUbXoxQsARdero1M8GiAIRc50hj7HXFoERwenbNDJL86GPLAQ OTGOCa4W2o29nFfFjQrsrrYHzVtyA/9oyKvTeEMJ7NA3VJdWcmn7gOu0FxEmSNhSoV1T4vP2 1Wf7f5niCCRKQLNyUy0wEApQi4tSysdz+AbgAc0b/bHYVzIf2uO2lIEZQNNt+3g2bmXgloWm W5fsm/di50Gm1l1Na63d3RZ00SeFQos6WEwLUHEB0yp6KXluXLLIZitEJM0aQ2hldCBSYW1l eSA8Y2hldEBjd3J1LmVkdT7CYQQTEQIAIQIbAwYLCQgHAwIDFQIDAxYCAQIeAQIXgAUCQ+La kQIZAQAKCRC7WGnwZOp0q9rGAJ4sRGLmlF8klZTH75z7jyQScpU6aACeNMahjWIhumt4u96d 9mdMJqlabVnOwE0EQQ6wbxAEAJCukwDigRDPhAuI+lf+6P64lWanIFOXIndqhvU13cDbQ/Wt 5LwPzm2QTvd7F+fcHOgZ8KOFScbDpjJaRqwIybMTcIN0B2pBLX/C10W1aY+cUrXZgXUGVISE MmpaP9v02auToo7XXVEHC+XLO9IU7/xaU98FL69l6/K4xeNSBRM/AAMHA/wNAmRBpcyK0+Vg gZ5esQaIP/LyolAm2qwcmrd3dZi+g24s7yjV0EUwvRP7xHRDQFgkAo6++QbuecU/J90lxrVn QwucZmfz9zgWDkT/MpfB/CNRSKLFjhYq2yHmHWT6vEjw9Ry/hF6Pc0oh1a62USdfaKAiim0n VxxQmPmiRvtCmcJJBBgRAgAJBQJBDrBvAhsMAAoJELtYafBk6nSr43AAn2ZZFQg8Gs/zUzvX Mt7evaFqVTzcAJ0cHtKpP1i/4H4R9+OsYeQdxxWxTQ==
User-Agent Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:52.0) Gecko/20100101 Thunderbird/52.9.1
In-Reply-To <CABrM6wmEAOEB6byLVbihEbiBO4phbWg7yuwo1o6aY8chsDzpxw@mail.gmail.com>
Content-Language en-US
X-Junkmail-Status score=7/90, host=mpv1-2015.case.edu
X-Junkmail-PrAS-Raw score=7/90, refid=2.7.2:2018.12.27.172416:17:7.944, ip=, rules=__YOUTUBE_RCVD, __X_GOOGLE_DKIM_SIGNATURE, __HAS_REPLYTO, __HAS_CC_HDR, __SUBJ_REPLY, __BOUNCE_CHALLENGE_SUBJ, __BOUNCE_NDR_SUBJ_EXEMPT, __TO_MALFORMED_2, __TO_NAME, __TO_NAME_DIFF_FROM_ACC, __REFERENCES, __HAS_FROM, FROM_EDU_TLD, __HAS_MSGID, __SANE_MSGID, DATE_TZ_NA, __USER_AGENT, __MOZILLA_USER_AGENT, __MIME_VERSION, __IN_REP_TO, __CT, __CT_TEXT_PLAIN, __CTE, __REPLYTO_SAMEAS_FROM_ADDY, __REPLYTO_SAMEAS_FROM_ACC, __FROM_DOMAIN_IN_ANY_CC1, __FROM_DOMAIN_IN_ANY_CC2, __REPLYTO_SAMEAS_FROM_DOMAIN, __ANY_URI, __URI_WITH_PATH, __URI_NO_WWW, __CP_URI_IN_BODY, __SUBJ_ALPHA_NEGATE, __URI_IN_BODY, __URI_NOT_IMG, __FORWARDED_MSG, __NO_HTML_TAG_RAW, BODYTEXTP_SIZE_3000_LESS, BODY_SIZE_400_499, __MIME_TEXT_P1, __MIME_TEXT_ONLY, __URI_NS, HTML_00_01, HTML_00_10, BODY_SIZE_5000_LESS, IN_REP_TO, MSG_THREAD, __FROM_DOMAIN_IN_RCPT, __TO_REAL_NAMES, [TRUNCATED], so=2010-03-03 19:42:08, dmn=2016-08-03-0138
X-detected-operating-system by eggs.gnu.org: GNU/Linux 2.4.x-2.6.x [generic] [fuzzy]
X-Received-From 129.22.103.226
X-BeenThere bug-bash@gnu.org
X-Mailman-Version 2.1.21
Precedence list
List-Id Bug reports for the GNU Bourne Again SHell <bug-bash.gnu.org>
List-Unsubscribe <https://lists.gnu.org/mailman/options/bug-bash>, <mailto:bug-bash-request@gnu.org?subject=unsubscribe>
List-Archive <http://lists.gnu.org/archive/html/bug-bash/>
List-Post <mailto:bug-bash@gnu.org>
List-Help <mailto:bug-bash-request@gnu.org?subject=help>
List-Subscribe <https://lists.gnu.org/mailman/listinfo/bug-bash>, <mailto:bug-bash-request@gnu.org?subject=subscribe>
Xref csiph.com gnu.bash.bug:14969

Show key headers only | View raw


On 12/25/18 11:28 AM, Peng Yu wrote:
> If I add a command after the builtin sleep, then the EXIT trap will be
> triggered upon typing ctrl-C.
> 
> If  the last command is removed, then the EXIT trap will not be
> triggered upon typing ctrl-C.

It's a bug in bash-4.4, fixed in bash-5.0.

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
		 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    chet@case.edu    http://tiswww.cwru.edu/~chet/

Back to gnu.bash.bug | Previous | Next | Find similar | Unroll thread


Thread

Re: [Help-bash] Why does ctrl-c behave differently for builtin sleep in a subshell? Chet Ramey <chet.ramey@case.edu> - 2018-12-27 13:46 -0500

csiph-web