Date: Mon, 04 Feb 2008 23:04:47 +1100 From: Mark Andrews <Mark_Andrews@isc.org> To: Eugene Grosbein <eugen@kuzbass.ru> Cc: Jeremy Chadwick <koitsu@freebsd.org>, FreeBSD Stable Mailing List <freebsd-stable@freebsd.org>, Ganbold <ganbold@micom.mng.net> Subject: Re: /dev/cuad0: Device busy Message-ID: <200802041204.m14C4lTO074894@drugs.dv.isc.org> In-Reply-To: Your message of "Mon, 04 Feb 2008 14:08:32 %2B0700." <20080204070832.GA97372@svzserv.kemerovo.su>
next in thread | previous in thread | raw e-mail | index | archive | help
> > 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. And once there is a incoming call block out going calls until the incoming call completes. > > Eugene Grosbein > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" -- Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: Mark_Andrews@isc.org
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200802041204.m14C4lTO074894>