From owner-freebsd-hackers Wed May 19 9:28:57 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from khavrinen.lcs.mit.edu (khavrinen.lcs.mit.edu [18.24.4.193]) by hub.freebsd.org (Postfix) with ESMTP id 30EFE14DA5; Wed, 19 May 1999 09:28:52 -0700 (PDT) (envelope-from wollman@khavrinen.lcs.mit.edu) Received: (from wollman@localhost) by khavrinen.lcs.mit.edu (8.9.1/8.9.1) id MAA13768; Wed, 19 May 1999 12:28:50 -0400 (EDT) (envelope-from wollman) Date: Wed, 19 May 1999 12:28:50 -0400 (EDT) From: Garrett Wollman Message-Id: <199905191628.MAA13768@khavrinen.lcs.mit.edu> To: Andre Rikkert de Koe Cc: freebsd-bugs@FreeBSD.ORG, freebsd-hackers@FreeBSD.ORG Subject: timeconsuming processes on FreeBSD 3.1 In-Reply-To: References: Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG < said: > logonserver. Since than almost every day we find timeconsuming processes > running while the user isn't even logged in (anymore). These programs are > mostly tin and lynx and such interactive programs. We are sure that they Some broken interactive programs don't bother to check whether the terminal I/O they do succeeds or not, and will happily sit there spinning at a revoked tty forever. It is possible for these programs to persist after logout if they either (1) ignore SIGHUP or (2) were started in such a way as to block the propagation of SIGHUP to them (some shells can do this). -GAWollman -- Garrett A. Wollman | O Siem / We are all family / O Siem / We're all the same wollman@lcs.mit.edu | O Siem / The fires of freedom Opinions not those of| Dance in the burning flame MIT, LCS, CRS, or NSA| - Susan Aglukark and Chad Irschick To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message