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Getting the user details of a thread at runtime

Posted on 2011-02-14
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Last Modified: 2012-05-11
Hi,

I am having a C++ based COM application which is a multi-threaded application. A number of threads are spawned from main process, I would like to retrieve the user details of a thread at run-time, which functions should be used.

Thanks,
Saravanan
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Question by:sarantm
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Zoppo earned 250 total points
ID: 34888137
Hi sarantm,

as far as I understand you want to get info about the user who is the owner of a thread, right?

If so you can use 'OpenThreadToken' to retrieve the thread's 'access token' - with this you can get 'GetTokenInformation' to retrieve further information, i.e. 'TokenOwner' - this will return an SID which can be used to retrieve the user's name with 'LookupAccountSid'.

Hope that helps,

ZOPPO
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Author Comment

by:sarantm
ID: 35006603
Hello ZOPPO,

I used GetUserNameEx function to retrieve user name and domain of given thread. This is much more easier than your approach.

What is advantage over your approach and mine.

Tnx,
Saravanan
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LVL 31

Expert Comment

by:Zoppo
ID: 35007099
Well, I posted the above comment since from your question it wasn't really clear what exactly you need.

The 'GetUserNameEx' returns info about the calling thread - my suggestion can be used to retrieve info about any running thread (as long as the calling thread has permissions to query info about that thread) - so, you could even i.e. use it to enumerate through all threads running on a machine and determine the user who started these threads.

If you just need the info within the running thread for sure 'GetUserNameEx' is much easier ...
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