Gabriele Cosmo
104 lines
3.8 KiB
C++
104 lines
3.8 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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//
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// $Id: G4GeometryWorkspacePool.hh 106171 2017-09-15 13:02:56Z gcosmo $
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//
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//
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// ------------------------------------------------------------
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// GEANT 4 class header file
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//
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// Class Description:
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//
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// Create and recycle Workspaces
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// Only one object of this type exists; true Singleton (not per thread).
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// Author: John Apostolakis (CERN), December 2013
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// ------------------------------------------------------------
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#ifndef G4GEOMETRYWORKSPACEPOOL_HH
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#define G4GEOMETRYWORKSPACEPOOL_HH
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#include "geomwdefs.hh"
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#include "G4Types.hh"
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class G4GeometryWorkspace;
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// Note: Investigate potential to make it a template - on the workspace type
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class G4GeometryWorkspacePool
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{
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public:
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static G4GeometryWorkspacePool* GetInstance();
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G4GeometryWorkspace* CreateWorkspace();
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// For use with simple MT mode
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// Each thread gets a workspace and uses it until end
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void CreateAndUseWorkspace();
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// Create it (as above) and use it
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G4GeometryWorkspace* FindOrCreateWorkspace();
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// For use with 'dynamic' model of threading. Workspaces can be recycled.
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// Reuse an existing workspace or create a new one if needed.
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// This will never fail, except if system is out of resources
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inline G4GeometryWorkspace* GetWorkspace() { return fMyWorkspace; }
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// Give back the existing, active workspace for my thread / task
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void Recycle( G4GeometryWorkspace * );
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// Keep the unused Workspace for recycling
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void CleanUpAndDestroyAllWorkspaces();
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// To be called once at the end of the job
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protected:
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// void RegisterWarehouse( G4GeometryWarehouse *);
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// The (optional) warehouse keeps a list of free workspaces
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private:
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G4GeometryWorkspacePool();
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~G4GeometryWorkspacePool();
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private:
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static G4GeometryWorkspacePool* thePool;
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// void* fWarehouse;
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// G4GeometryWarehouse* fWarehouse;
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// This is "void" to hide the actual container type for workspaces
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// Implementations: a simple STL container for MT or something better
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// for tbb.
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// Further development: template parameter with portable default
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G4GEOM_DLL static G4ThreadLocal G4GeometryWorkspace* fMyWorkspace;
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// The thread's workspace - if assigned.
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};
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#endif
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