Date: Tue, 09 Sep 1997 18:19:03 +1000 From: Mike Smith <mike@smith.net.au> To: John-Mark Gurney <gurney_j@resnet.uoregon.edu> Cc: Jaye Mathisen <mrcpu@cdsnet.net>, hackers@FreeBSD.ORG Subject: Re: How the heck do you drop DTR? Message-ID: <199709090819.SAA01536@word.smith.net.au> In-Reply-To: Your message of "Tue, 09 Sep 1997 01:03:42 MST." <19970909010342.45615@hydrogen.nike.efn.org>
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> > I thought closing the file handle would do it, but it doesn't, after > > my program exits, the modem is still on-line, and DTR is still > > asserted. > > wierd... assuming that all file descriptors to the modem is closed, > DTR should drop... Not necessarily; was the port in drainwait? (ie. had output data that couldn't be sent?) mike
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