|Message: Re: Multithreaded App hangs in just one thread||Not Logged In (login)|
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the first thing to do is to verify that your nested parametrization is thread-safe.
You should consider that the concrete class implementing your parametrization code is shared among all threads, so you can have many of them calling at the same time your parametrization code.
For example, consider using G4Cache<> class if needed to create thread-local variables:
consult section "126.96.36.199.1. The template class G4Cache" of the Toolkit developer guide http://geant4.web.cern.ch/geant4/UserDocumentation/UsersGuides/ForToolkitDeveloper/html/ch02s14.html#sect.DsgnFuncMT.MemHand
Similar considerations should be done for other classes that are shared among threads and that are used in your user-code.
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