Date: Mon, 4 Feb 2008 14:08:32 +0700 From: Eugene Grosbein <eugen@kuzbass.ru> To: Jeremy Chadwick <koitsu@freebsd.org> Cc: Ganbold <ganbold@micom.mng.net>, FreeBSD Stable Mailing List <freebsd-stable@freebsd.org> Subject: Re: /dev/cuad0: Device busy Message-ID: <20080204070832.GA97372@svzserv.kemerovo.su> In-Reply-To: <20080204065122.GA92674@eos.sc1.parodius.com> References: <47A69A66.2080109@micom.mng.net> <20080204063023.GA91789@eos.sc1.parodius.com> <47A6B2AB.2060308@micom.mng.net> <20080204065122.GA92674@eos.sc1.parodius.com>
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> Personally, I never understood the concept of "dial-in" and "call-out" > devices on FreeBSD. I ran BBS software for years on both Apple II > hardware and PC hardware; there was no distinction between such devices. > A serial port is a serial port. Chances are I'm not understanding why > there's a distinction, but there doesn't appear to be any explanation of > why there's a distinction within manpages or the handbook... The distinction exists to allow an application to wait on the "dial-in" port for incoming calls and another application to make outgoing call mean time using the same port as "call-out" while the port is idle. Eugene Grosbein
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