Alan Jenkins
aeb075704b
GetSessionByPID(0) can fail with NO_SESSION_FOR_PID. More obscurely, if the session is abandoned, it can return NO_SUCH_SESSION. It is not clear that the latter was intended. The message associated with the former, hints that this was overlooked. We don't have a document enumerating the errors. Any specific error-handling in client code, e.g. translated messages, would also be liable to overlook the more obscure error code. I can't see any equivalent condition for GetUserByPID(0). On the other hand, the code did not return NO_USER_FOR_PID where it probably should. The relevant code is right next to that for GetSessionByPID(0), so it will be simpler to understand if both follow the same pattern.
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