|Message: Re: FieldManager handling||Not Logged In (login)|
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FieldManagement has to be thread private!
It really depends on where the snippet of your code is. You need to be sure that each thread calls that piece of code.
Field and Manager classes have data members that have a state that depends on the tracking. For this reason each thread needs its own instance of these classes.
For clarification: 1- The threads share the same G4VUserDetectorConstruction instance (note that the A01DetectorConstruction *detector pointer is a variable defined at global scope and thus shared by all threads).
2- G4VUserDetectorConstruction::Construct() is called only once by the master thread (the one with threadRank==0). This constructs everything as the sequential G4.
3- The worker threads (that have threadRank>0) call ConstructSlave() and thus build only the objects that are thread-specific.
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