Date: Thu, 3 Jul 1997 18:42:22 +0400 (MSD) From: =?KOI8-R?B?4c7E0sXKIP7F0s7P1w==?= <ache@nagual.pp.ru> To: Joerg Wunsch <joerg_wunsch@uriah.heep.sax.de> Cc: current@FreeBSD.ORG Subject: Re: ppp & HUP. Message-ID: <Pine.BSF.3.96.970703183608.1092A-100000@nagual.pp.ru> In-Reply-To: <19970703074308.ML07825@uriah.heep.sax.de>
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On Thu, 3 Jul 1997, J Wunsch wrote: > SIGHUP should be sent to all process groups associated with tty lines. It is not so obvious thing. Some software (like uucp) which really use HUP from control tty treat is as carrier lost and redials immediately. It can cause very bad effects f.e. phone bill leak. I.e. imagine modem which redial at hangup and successfully connect while machine goes down at this moment... It seems that no SIGHUP sending not break anything, but sending it is dangerous. -- Andrey A. Chernov <ache@null.net> http://www.nagual.pp.ru/~ache/
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