Privilege(s) needed to run top command

Corinna Vinschen
Tue Mar 12 20:59:00 GMT 2019

On Mar 12 23:35, Andrey Repin wrote:
> Greetings, Corinna Vinschen!
> > This was complete nonsense.
> > Actually, the problem was entirely in Cygwin's ps.exe, and it's a
> > long-standing problem at that.
> > 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.
> > 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 :}
> Err, but why? PSAPI was available since… a long time since.
> And it is public API except for isolated processes.

Same problem:


Corinna Vinschen
Cygwin Maintainer
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