DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id
	:list-unsubscribe:list-subscribe:list-archive:list-post
	:list-help:sender:date:from:reply-to:message-id:to:subject
	:in-reply-to:references:mime-version:content-type
	:content-transfer-encoding; q=dns; s=default; b=sAoDLCcqA46dCos4
	6I49WJYHigDqZZha/DhIlj/JUBjmE8VmRJ++Nff4QVHMxMht13RZrdjclRRWwNl6
	4/+LUkufYfLW00pkNVBUFpONcjMEqSMhEOVUJYfTYpuFqtdDL4PtBNx1zssC1tsU
	V9IQJloDiQLOZLQxur8pf929u8E=
Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm
Sender: cygwin-owner@cygwin.com
Mail-Followup-To: cygwin@cygwin.com
Date: Wed, 13 Mar 2019 00:39:55 +0300
From: Andrey Repin <anrdaemon@yandex.ru>
Reply-To: cygwin@cygwin.com
Message-ID: <1713374829.20190313003955@yandex.ru>
To: Corinna Vinschen <cygwin@cygwin.com>, cygwin@cygwin.com
Subject: Re: Privilege(s) needed to run top command
In-Reply-To: <20190312205929.GQ3785@calimero.vinschen.de>
References: <20190312111411.GH3785@calimero.vinschen.de>   <1552391701449-0.post@n5.nabble.com>  <167740c9afacd1bd4f914cae2e19eb01@smtp-cloud9.xs4all.net>  <1552405511657-0.post@n5.nabble.com>  <20190312164725.GK3785@calimero.vinschen.de>  <1552410026803-0.post@n5.nabble.com>  <20190312171339.GM3785@calimero.vinschen.de>  <20190312173901.GN3785@calimero.vinschen.de>  <20190312202802.GP3785@calimero.vinschen.de>  <512910309.20190312233554@yandex.ru>  <20190312205929.GQ3785@calimero.vinschen.de>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8bit

Greetings, Corinna Vinschen!

> 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:

> https://docs.microsoft.com/en-us/windows/desktop/psapi/enumerating-all-processes

My bad. I checked the code on hand, but missed that last OpenProcess call.
My code working with visible windows and, indeed, is unable to catch
elevated window's path.


-- 
With best regards,
Andrey Repin
Wednesday, March 13, 2019 0:37:12

Sorry for my terrible english...
--
Problem reports:       http://cygwin.com/problems.html
FAQ:                   http://cygwin.com/faq/
Documentation:         http://cygwin.com/docs.html
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple