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Date: Fri, 22 Feb 2019 10:55:25 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: Mike Brady <mikebrady AT eircom DOT net>
Cc: cygwin AT cygwin DOT com
Subject: Re: Question about D-Bus and cygrunsrv
Message-ID: <20190222095525.GN4256@calimero.vinschen.de>
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References: <287EA5C9-AEDB-417D-8E1D-29405AB24325 AT eircom DOT net> <23766B16-3812-4D94-AA7C-C61C167A05C9 AT eircom DOT net>
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Hey Mike,

On Feb 21 16:56, Mike Brady wrote:
> Hello again. Further to the rather vague email below, here is a link to w=
hat I did to install Shairport Sync on a fresh Cygwin installation:=20
>=20
> https://github.com/mikebrady/shairport-sync/blob/development/CYGWIN.md <h=
ttps://github.com/mikebrady/shairport-sync/blob/development/CYGWIN.md>
>=20
> Regards
> Mike
>=20
>=20
> > On 20 Feb 2019, at 21:50, Mike Brady <mikebrady AT eircom DOT net> wrote:
> >=20
> > Hi there. I'm trying to set up Shairport Sync as a CYGWIN service, and =
I'm trying to use cygrunsrv.
> >=20
> > Briefly, I can get everything to work properly except the D-Bus interfa=
ce -- when shairport-sync is installed as a service, it can't "own" a well-=
known name on the "system" D-Bus.
> >=20
> > I built a configuration and installer for shairport sync essentially by=
 copying the avahi-daemon-config file.
> >=20
> > The Avahi deamon uses the system D-Bus successfully under the username =
"SYSTEM" and without (AFAICS) changing IDs. But for the life of me, I can't=
 get Shairport Sync to work the same way.
> >=20
> > Incidentally, if I change the D Bus policy file for Shairport Sync to b=
e allowed to own its well-known name on D Bus when running under the logged=
 in account, everything is peachy.
> >=20
> > Any suggestions gratefully received. Incidentally, I'm the main develop=
er of Shairport Sync -- https://github.com/mikebrady/shairport-sync.
> >=20
> > Best wishes
> > Mike Brady
> >=20

You have been heard, but I have not the faintest clue what d-bus or,
FWIW, avahi are doing.  Ideally, if you could break down the problem
to a simple, self-contained testcase which shows what exactly is not
working on a plain libc level, help may be possible :}


Corinna

--=20
Corinna Vinschen
Cygwin Maintainer

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