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Date: Wed, 26 Apr 2017 22:07:28 +0300
From: Johan Hedberg <johan.hedberg@gmail.com>
To: Barry Byford <31baz66@gmail.com>
Cc: Bluez mailing list <linux-bluetooth@vger.kernel.org>
Subject: Re: Serial Port connection with DBus API
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Hi Barry,

On Tue, Apr 25, 2017, Barry Byford wrote:
> I don't feel I'm making progress on this so I've attached the output
> from btmon in the hope that someone has the time to cast an eye over
> it.
> 
> The values that are received into NewConnection are:
> object device = /org/bluez/hci0/dev_64_BC_0C_F6_22_F8
>  fd = 0
> dict fd_properties = {}
> 
> if I do a os.isatty(fd) then I get returned True
> if I do a os.ttyname(fd) then I get returned /dev/pts/0

Our test/test-profile script does the following:

        def NewConnection(self, path, fd, properties):
                self.fd = fd.take()

Are you doing something similar? Otherwise it looks like file descriptor
passing is somehow broken in your system.

Johan