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Mail Archives: cygwin-developers/2001/09/09/09:51:54

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Date: Sun, 9 Sep 2001 17:51:03 +0400
From: egor duda <deo AT logos-m DOT ru>
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Reply-To: egor duda <cygwin-developers AT cygwin DOT com>
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Message-ID: <1653247770.20010909175103@logos-m.ru>
To: cygwin-developers AT cygwin DOT com
Subject: Re: [RFA] A kinder, gentler check for /etc/{passwd,group} changes
In-Reply-To: <20010909152458.D937@cygbert.vinschen.de>
References: <20010908225133 DOT A17336 AT redhat DOT com>
<20010909152458 DOT D937 AT cygbert DOT vinschen DOT de>
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Hi!

Sunday, 09 September, 2001 Corinna Vinschen vinschen AT redhat DOT com wrote:

CV> On Sat, Sep 08, 2001 at 10:51:33PM -0400, Christopher Faylor wrote:
>> Here's what I did, based on the FindFirstFileChangeNotification ideas.
>> 
>> It seems to get performance back down to around 1.3.2 levels when
>> combined with a couple of other minor changes.
>> 
>> Now that I see the patch, I realize that the etc_changed function
>> probably belongs in miscfuncs.cc rather than in dcrt0.cc.

CV> IMO it belongs into the class init_cygheap.  I did it that way in
CV> my version of that patch.

>> The only thing I don't know is if the etc_changed function actually
>> does anything useful.  I don't have a useful test case for that but
>> I thought that Corinna might.

CV> It works.  A simple test is ssh.  Start sshd, login using your
CV> account.  Edit /etc/passwd to use tcsh as login shell instead of
CV> bash.  Try another login.

CV> Testing the /etc/group stuff isn't that easy.  The current Cygwin
CV> version doesn't support supplementary groups to add when the user
CV> context changes due to a NTCreateToken() call.  I plan to add it
CV> to 1.3.4 though.

>> I wonder if we could generalize the similar code in passwd.cc and grp.cc
>> into some kind of class for 1.3.4...

CV> See my below patch. The whole class stuff is now in a common
CV> header file `pwdgrp.h'.  There could be more common stuff later,
CV> perhaps.

Should we apply this patch to 1.3.4, while removing /etc/ reread logic
in 1.3.3? Btw, i think that /etc/passwd and /etc/group handling is yet
another good candidate to move to "cygwin-server".

Egor.            mailto:deo AT logos-m DOT ru ICQ 5165414 FidoNet 2:5020/496.19

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