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Date: Tue, 12 Mar 2019 21:59:29 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: Privilege(s) needed to run top command
Message-ID: <20190312205929.GQ3785@calimero.vinschen.de>
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On Mar 12 23:35, Andrey Repin wrote:
> Greetings, Corinna Vinschen!
>=20
> > This was complete nonsense.
>=20
> > Actually, the problem was entirely in Cygwin's ps.exe, and it's a
> > long-standing problem at that.
>=20
> > While the Cygwin DLL collected the complete process list for ps, ps then
> > didn't print any process it failed to call OpenProcess on.  These are a
> > *lot* of processes and the result looked a lot like the list of
> > processes in or connected to the current session.
>=20
> > The reason for this behaviour was that the image path of a process could
> > only be fetched when opening the process.  Today I found new
> > functionality since Vista which allows to fetch the image path without
> > having to open the process, so `ps -W' will print all processes again,
> > just as in the good old XP times :}
>=20
> Err, but why? PSAPI was available since=E2=80=A6 a long time since.
> And it is public API except for isolated processes.

Same problem:

https://docs.microsoft.com/en-us/windows/desktop/psapi/enumerating-all-proc=
esses


Corinna

--=20
Corinna Vinschen
Cygwin Maintainer

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