Path: csiph.com!xmission!news.snarked.org!news.linkpendium.com!news.linkpendium.com!panix!usenet.stanford.edu!not-for-mail From: Chet Ramey Newsgroups: gnu.bash.bug Subject: Re: Job-control not fully working in subshells since v4.4 ? Date: Sun, 14 Jul 2019 16:40:20 -0400 Organization: ITS, Case Western Reserve University Lines: 26 Approved: bug-bash@gnu.org Message-ID: References: <2044D16D-43CF-4A35-AE4A-C17DE7700A87@gif.it> 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 1563136830 16122 209.51.188.17 (14 Jul 2019 20:40:30 GMT) X-Complaints-To: action@cs.stanford.edu Cc: chet.ramey@case.edu To: Luca Landi , 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=8nGCrpiRLgfro2e2JVUH+fvg20/QmHWmb6Dk6JWpS5A=; b=KH37lHn2+58wRcPyn3mz/7prlZ2DSOcJqxfbFU4KUmcVHB5IjcBUL1Vy7gQ+rt7i49 UCAuNOoeNFnkuc79cwFAOeMgYDRZM0fnJXIja1fcBTNHNLumA69quQ3//6tpdIXZ5o4I DkTOXSHoYxMXwlMn2j9Jh4R+ybpoF8qB044AnRM5Bx9usI7Gkx4CX267nMyLNl/QVVUR Bm+7WNmklm+zaFpUjET3ndsob4WtNmZSaG5GIFria5GMclnlMQNnu9EOkI+VbXVL5/sQ f7+Nc039SxDvFiR7OUZgQymB0AAx/bmFRs9Lv+F+EJWI72ltm1C+sL8OJDkZyraxEjmB 1a6A== X-Gm-Message-State: APjAAAXpTYBICRDhaXc9vCXvCrY+ncToGV2poWIQuLaxYyhGLyutQwDE dM6zGpDIpUylH0CfX7edj/xxk/uHKhqKXpyiOhloLQjtnXodIFEDSddMkpZcpGQm8azXMxQsWAw 5M4iNsUu+nxo= X-Received: by 2002:a25:9705:: with SMTP id d5mr14037193ybo.493.1563136823411; Sun, 14 Jul 2019 13:40:23 -0700 (PDT) X-Google-Smtp-Source: APXvYqwP39P2Zpu45zqN+g5mGRCtKtBsSTM3fVzkbij7bayL7FLLUWS0g3FpQdQl4Hv0ddOp7rjZ7w== X-Received: by 2002:a25:9705:: with SMTP id d5mr14037181ybo.493.1563136823142; Sun, 14 Jul 2019 13:40:23 -0700 (PDT) Openpgp: preference=signencrypt Autocrypt: addr=chet.ramey@case.edu; prefer-encrypt=mutual; keydata= mQGiBEEOsGwRBACFa0A1oa71HSZLWxAx0svXzhOZNQZOzqHmSuGOG92jIpQpr8DpvgRh40Yp AwdcXb8QG1J5yGAKeevNE1zCFaA725vGSdHUyypHouV0xoWwukYO6qlyyX+2BZU+okBUqoWQ koWxiYaCSfzB2Ln7pmdys1fJhcgBKf3VjWCjd2XJTwCgoFJOwyBFJdugjfwjSoRSwDOIMf0D /iQKqlWhIO1LGpMrGX0il0/x4zj0NAcSwAk7LaPZbN4UPjn5pqGEHBlf1+xDDQCkAoZ/VqES GZragl4VqJfxBr29Ag0UDvNbUbXoxQsARdero1M8GiAIRc50hj7HXFoERwenbNDJL86GPLAQ OTGOCa4W2o29nFfFjQrsrrYHzVtyA/9oyKvTeEMJ7NA3VJdWcmn7gOu0FxEmSNhSoV1T4vP2 1Wf7f5niCCRKQLNyUy0wEApQi4tSysdz+AbgAc0b/bHYVzIf2uO2lIEZQNNt+3g2bmXgloWm W5fsm/di50Gm1l1Na63d3RZ00SeFQos6WEwLUHEB0yp6KXluXLLIZitEJLQwQ2hldCBSYW1l eSAoQ2FzZSBzdGFuZGFyZCkgPGNoZXQucmFtZXlAY2FzZS5lZHU+iF8EExECAB8FAkPi19EC GwMHCwkIBwMCAQMVAgMDFgIBAh4BAheAAAoJELtYafBk6nSrelkAn31Gsuib7GcCZHbv5L5t VKYR9LklAJ4hzUHKA49Z0QXR+qCb80osIcmPSbkBDQRBDrBvEAQAkK6TAOKBEM+EC4j6V/7o /riVZqcgU5cid2qG9TXdwNtD9a3kvA/ObZBO93sX59wc6Bnwo4VJxsOmMlpGrAjJsxNwg3QH akEtf8LXRbVpj5xStdmBdQZUhIQyalo/2/TZq5OijtddUQcL5cs70hTv/FpT3wUvr2Xr8rjF 41IFEz8AAwcD/A0CZEGlzIrT5WCBnl6xBog/8vKiUCbarByat3d1mL6DbizvKNXQRTC9E/vE dENAWCQCjr75Bu55xT8n3SXGtWdDC5xmZ/P3OBYORP8yl8H8I1FIosWOFirbIeYdZPq8SPD1 HL+EXo9zSiHVrrZRJ19ooCKKbSdXHFCY+aJG+0KZiEkEGBECAAkFAkEOsG8CGwwACgkQu1hp 8GTqdKvjcACfZlkVCDwaz/NTO9cy3t69oWpVPNwAnRwe0qk/WL/gfhH346xh5B3HFbFN User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:60.0) Gecko/20100101 Thunderbird/60.7.2 In-Reply-To: <2044D16D-43CF-4A35-AE4A-C17DE7700A87@gif.it> Content-Language: en-US X-Junkmail-Status: score=7/90, host=mpv1-2015.case.edu X-Junkmail-PrAS-Raw: score=7/90, refid=2.7.2:2019.7.14.193916:17:7.944, ip=, rules=__YOUTUBE_RCVD, __X_GOOGLE_DKIM_SIGNATURE, __HAS_REPLYTO, __HAS_CC_HDR, __SUBJ_REPLY, __PHISH_SPEAR_SUBJ_PREDICATE, __BOUNCE_CHALLENGE_SUBJ, __BOUNCE_NDR_SUBJ_EXEMPT, __TO_MALFORMED_2, __TO_NAME, __TO_NAME_DIFF_FROM_ACC, __HAS_REFERENCES, __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, __BODY_NO_MAILTO, __NO_HTML_TAG_RAW, BODYTEXTP_SIZE_3000_LESS, BODY_SIZE_800_899, __MIME_TEXT_P1, __MIME_TEXT_ONLY, __URI_NS, HTML_00_01, HTML_00_10, BODY_SIZE_5000_LESS, IN_REP_TO, [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] X-Received-From: 129.22.103.226 X-BeenThere: bug-bash@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Bug reports for the GNU Bourne Again SHell List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Mailman-Original-Message-ID: X-Mailman-Original-References: <2044D16D-43CF-4A35-AE4A-C17DE7700A87@gif.it> Xref: csiph.com gnu.bash.bug:15167 On 7/12/19 3:06 PM, Luca Landi wrote: > Bash Version: 5.0 > Patch Level: 7 > Release Status: release > > Description: > > It appears that, since ca. v4.4, job-control from within an interactive subshell > is still allowed but does not work fully because the shell won't hand over > foreground-ness. Bash-4.4 is where the shell started to care about whether or not it was running in the background for the purposes of giving away the terminal to different process groups. Your example is a case where the shell doesn't note the right value for the shell's own process group. Adding that seems to fix the problem. Chet -- ``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/