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List:       mozilla-crypto
Subject:    Re: How to debug my pkcs11 token dll in Netscape CMS
From:       Julien Pierre <jpierre () netscape ! com>
Date:       2001-12-18 19:46:16
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hooway wrote:

> We are making a PKCS11 token dll for CMS server. But we met some problems. 
> and cause windows shut down. We want to debug our dll to find the reason. 
> But how to do it under CMS server. It's always working as a NT Service. Is 
> there any method to force it working not in Service mode.


I don't know if there is a way to make CMS not run in service mode, but 
you can still attach to an NT service in order to debug your code. As 
long as you are logged in as a user with sufficient local priviledges 
(ie. administrator), you can bring up the task manager, select the 
process, click mouse button 2, and select debug. Then you can use the 
debugger as you normally would, except you can't restart the program 
from the debugger if you stop it - you'll have to wait for the service 
to restart, and reatach, using the above procedure I described. You will 
still be able to save your breakpoints though.

If the problem in your module happens on initialization, you will 
probably want to add some sort of sleep loop into your code so that you 
can attach and interrupt it by reassigning the value of a variable. You 
could also call DebugBreak in your init code, which will cause a pop-up 
dialog to come up on the machine, and let you attach to the process. 
Then just skip the "Int 3" call and debug your code after it.


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