From owner-freebsd-bugs@FreeBSD.ORG Tue Apr 7 03:40:04 2009 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id F1367106567F for ; Tue, 7 Apr 2009 03:40:04 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id DEDDC8FC13 for ; Tue, 7 Apr 2009 03:40:04 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.14.3/8.14.3) with ESMTP id n373e4DW004248 for ; Tue, 7 Apr 2009 03:40:04 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.3/8.14.3/Submit) id n373e4mm004247; Tue, 7 Apr 2009 03:40:04 GMT (envelope-from gnats) Date: Tue, 7 Apr 2009 03:40:04 GMT Message-Id: <200904070340.n373e4mm004247@freefall.freebsd.org> To: freebsd-bugs@FreeBSD.org From: Mike Silbersack Cc: Subject: Re: bin/74404: sh(1) does not handle signals to subshells properly and/or $! is broken X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Mike Silbersack List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 07 Apr 2009 03:40:05 -0000 The following reply was made to PR bin/74404; it has been noted by GNATS. From: Mike Silbersack To: Jilles Tjoelker Cc: bug-followup@FreeBSD.org Subject: Re: bin/74404: sh(1) does not handle signals to subshells properly and/or $! is broken Date: Mon, 6 Apr 2009 22:11:08 -0500 (CDT) On Sun, 5 Apr 2009, Jilles Tjoelker wrote: >> [ sh forks twice for (somecommand) & ] > > It seems reasonable for sh to fork twice here. You can avoid it by doing > { somecommand; } &. I honestly don't remember how I came up with the script in question, but I suspect that I picked it up from an example bash script. Based on that, it may be worth making the script function as is. Mike "Silby" Silbersack