A function which requires persistent thread is called within the callback.

Some Microsoft Windows APIs need to be called inside a dedicated or persistent thread. In the threadpool you should generally avoid using thread local storage and queuing asynchronous calls that require a persistent thread, such as the RegNotifyChangeKeyValue function. However, such functions can be queued to a persistent worker thread using QueueUserWorkItem with the WT_EXECUTEINPERSISTENTTHREAD option. A kb in debugger will reveal the caller.

Parameter1 - Callback function

Parameter2 - Context

Parameter3 - Threadpool Object allocation stack trace, use dds to dump it.

Parameter4 - Not used

Description - Some Microsoft Windows APIs need to be called inside a dedicated or persistent thread. In the threadpool you should generally avoid using thread local storage and queuing asynchronous calls that require a persistent thread, such as the RegNotifyChangeKeyValue function. However, such functions can be queued to a persistent worker thread using QueueUserWorkItem with the WT_EXECUTEINPERSISTENTTHREAD option. A kb in debugger will reveal the caller.

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