From nobody Fri Mar 25 12:14:43 2022 X-Original-To: freebsd-hackers@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 0291D1A38EF9 for ; Fri, 25 Mar 2022 12:14:57 +0000 (UTC) (envelope-from ganael.laplanche@martymac.org) Received: from relay9-d.mail.gandi.net (relay9-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::229]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4KQ1Hg6RgNz4lpx for ; Fri, 25 Mar 2022 12:14:55 +0000 (UTC) (envelope-from ganael.laplanche@martymac.org) Received: (Authenticated sender: ganael.laplanche@martymac.org) by mail.gandi.net (Postfix) with ESMTPSA id 3CEE5FF808; Fri, 25 Mar 2022 12:14:45 +0000 (UTC) From: Ganael Laplanche To: Eugene Grosbein Cc: freebsd-hackers@freebsd.org Subject: Re: Our /bin/sh and process group IDs Date: Fri, 25 Mar 2022 13:14:43 +0100 Message-ID: <3524693.ZKXgePsUey@dmc12.centralesupelec.fr> In-Reply-To: References: <48e49ad0-a12a-d10b-5867-da9736c6c1fd@martymac.org> List-Id: Technical discussions relating to FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-hackers List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-hackers@freebsd.org MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-Rspamd-Queue-Id: 4KQ1Hg6RgNz4lpx X-Spamd-Bar: / Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of ganael.laplanche@martymac.org designates 2001:4b98:dc4:8::229 as permitted sender) smtp.mailfrom=ganael.laplanche@martymac.org X-Spamd-Result: default: False [-0.46 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.48)[-0.483]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2001:4b98:dc4:8::/64]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[martymac.org]; NEURAL_SPAM_SHORT(0.92)[0.925]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCPT_COUNT_TWO(0.00)[2]; MLMMJ_DEST(0.00)[freebsd-hackers]; RCVD_COUNT_ZERO(0.00)[0]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:203476, ipnet:2001:4b98:dc4::/48, country:FR]; CTE_CASE(0.50)[]; RCVD_IN_DNSWL_LOW(-0.10)[2001:4b98:dc4:8::229:from] X-ThisMailContainsUnwantedMimeParts: N On Friday, March 25, 2022 12:24:08 PM CET Eugene Grosbein wrote: Hello Eugene, Thanks for your anwser. > Try "set -m" beforehand. It is set, from within test_func () : set -m { /bin/sh -c 'sleep 1' ; } & I would expect the line : { /bin/sh -c 'sleep 1' ; } & to be forked in a new process group, which is not the case. -- Ganael LAPLANCHE http://www.martymac.org | http://contribs.martymac.org FreeBSD: martymac , http://www.FreeBSD.org