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Editorial Team
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Asked: 2026-05-28T03:53:17+00:00

When you have a web app which uses a database as repository, all the

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When you have a web app which uses a database as repository, all the DAL calls from the business logic aren’t synchronized.

I know that each request is designated a thread for processing, which means that the db access is somehow multithreaded – but I have seen no synchronization code in the app and it magically works.

The question would be the following:

I have a business logic which calls a wrapper over some unmanaged code. Should the call to the unmanaged code be protected by some sync code? #

The unmanaged DLL is not multi-threaded. It accesses some files and it unpacks them.

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1 Answer

  1. Editorial Team

    There is no need to synchronize the threads accessing a DATABASE, as it is one of the defining properties of a (non stone-age) DB to be “quite able of handling that, thank you”.

    Now by your definition your unmanaged DLL does not share this property, which means different rules apply or you will crash and burn.

    There are many ways to achieve your goal, the most common being

    • Synchronizing your web apps threads when calling in the DLL: Straight forward in coding, but has definitly to be researched in terms of webserver interaction (deadlock, thread starvation anyone?)
    • Wrap your DLL in a different process with some sort of connection to it i.e. make your own “DLL server”. More work, but maybe a more robust implementation.
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