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G4PDefManager.cc
Go to the documentation of this file.
Or view
the newest version in sPHENIX GitHub for file G4PDefManager.cc
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//
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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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//
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//
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// ------------------------------------------------------------
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//
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// GEANT4 class header file
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//
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// ---------------- G4PDefManager ----------------
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//
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// Utility template class for splitting RW data for thread-safety from
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// classes: G4ParticleDefinition, G4VDecayChannel.
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//
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// ------------------------------------------------------------
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// History:
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// 01.25.2009 Xin Dong: First implementation from automatic MT conversion.
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// ------------------------------------------------------------
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#include <stdlib.h>
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#include "
G4PDefManager.hh
"
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#include "
globals.hh
"
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#include "
pwdefs.hh
"
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#include "
G4AutoLock.hh
"
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void
G4PDefData::initialize
()
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{
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theProcessManager
= 0;
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}
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G4int
&
G4PDefManager::slavetotalspace
()
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{
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G4ThreadLocalStatic
G4int
_instance = 0;
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return
_instance;
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}
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G4PDefData
*&
G4PDefManager::offset
()
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{
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G4ThreadLocalStatic
G4PDefData
* _instance =
nullptr
;
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return
_instance;
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}
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G4PDefManager::G4PDefManager
() : totalobj(0)
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{
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G4MUTEXINIT
(
mutex
);
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}
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G4int
G4PDefManager::CreateSubInstance
()
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// Invoked by the master or work thread to create a new subinstance
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// whenever a new split class instance is created. For each worker
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// thread, ions are created dynamically.
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{
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G4AutoLock
l(&
mutex
);
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totalobj
++;
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if
(
totalobj
>
slavetotalspace
())
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{
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l.
unlock
();
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NewSubInstances
();
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l.
lock
();
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}
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return
(
totalobj
- 1);
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}
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void
G4PDefManager::NewSubInstances
()
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// Invoked by each worker thread to grow the subinstance array and
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// initialize each new subinstance using a particular method defined
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// by the subclass.
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{
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G4AutoLock
l(&
mutex
);
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if
(
slavetotalspace
() >=
totalobj
) {
return
; }
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G4int
originaltotalspace =
slavetotalspace
();
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slavetotalspace
() =
totalobj
+ 512;
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offset
() = (
G4PDefData
*) realloc(
offset
(),
slavetotalspace
() *
sizeof
(
G4PDefData
));
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if
(
offset
() == 0)
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{
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G4Exception
(
"G4PDefManager::NewSubInstances()"
,
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"OutOfMemory"
,
FatalException
,
"Cannot malloc space!"
);
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}
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for
(
G4int
i = originaltotalspace; i <
slavetotalspace
(); i++)
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{
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offset
()[i].
initialize
();
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}
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}
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void
G4PDefManager::FreeSlave
()
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// Invoked by all threads to free the subinstance array.
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{
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if
(!
offset
()) {
return
; }
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free(
offset
());
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offset
() = 0;
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}
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G4PDefData
*
G4PDefManager::GetOffset
()
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{
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return
offset
();
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}
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void
G4PDefManager::UseWorkArea
(
G4PDefData
* newOffset )
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// Use recycled work area, which was created previously.
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{
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if
(
offset
() &&
offset
()!=newOffset )
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{
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G4Exception
(
"G4PDefManager::UseWorkspace()"
,
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"InvalidCondition"
,
FatalException
,
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"Thread already has workspace - cannot use another."
);
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}
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offset
()= newOffset;
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}
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G4PDefData
*
G4PDefManager::FreeWorkArea
()
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// Detach this thread from this Location
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// The object which calls this method is responsible for it.
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{
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G4PDefData
* offsetRet=
offset
();
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offset
()= 0;
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return
offsetRet;
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}
geant4
tree
geant4-10.6-release
source
particles
management
src
G4PDefManager.cc
Built by
Jin Huang
. updated:
Wed Jun 29 2022 17:25:24
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