From owner-freebsd-bugs Wed Jan 23 15:25:35 2002 Delivered-To: freebsd-bugs@freebsd.org Received: from khavrinen.lcs.mit.edu (khavrinen.lcs.mit.edu [18.24.4.193]) by hub.freebsd.org (Postfix) with ESMTP id 2F00737B400 for ; Wed, 23 Jan 2002 15:25:34 -0800 (PST) Received: (from wollman@localhost) by khavrinen.lcs.mit.edu (8.11.4/8.11.4) id g0NNPPK74749; Wed, 23 Jan 2002 18:25:25 -0500 (EST) (envelope-from wollman) Date: Wed, 23 Jan 2002 18:25:25 -0500 (EST) From: Garrett Wollman Message-Id: <200201232325.g0NNPPK74749@khavrinen.lcs.mit.edu> To: Maxim Konovalov Cc: freebsd-bugs@FreeBSD.ORG Subject: Re: misc/34195: setting the action for SIGCHLD to SIG_IGN will create zombies In-Reply-To: <200201230850.g0N8o1O88271@freefall.freebsd.org> References: <200201230850.g0N8o1O88271@freefall.freebsd.org> Sender: owner-freebsd-bugs@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org < said: >> If the action for the SIGCHLD signal is set >> to SIG_IGN, child processes of the calling >> processes will not be transformed into zombie >> processes when they terminate. If the calling > Yes, it is a traditional BSD way. This was a bone of contention in the Austin Group (which developed SUSv3 and POSIX.1-2001), which I think eventually led to a requirement that SIGCHLD be reset on exec to SIG_DFL. -GAWollman To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message