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geant4.10.00.p01
source
particles
management
include
G4PDefSplitter.hh
Go to the documentation of this file.
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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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// $Id: $
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//
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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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// ---------------- G4PDefSplitter ----------------
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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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#ifndef G4PDEFSPLITTER_HH
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#define G4PDEFSPLITTER_HH
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#include <stdlib.h>
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#include "
globals.hh
"
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#include "
pwdefs.hh
"
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template
<
class
T>
// T is the private data from the object to be split
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class
G4PDefSplitter
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{
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public
:
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G4PDefSplitter
() : totalobj(0) {}
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G4int
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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totalobj++;
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if
(totalobj >
slavetotalspace
) {
NewSubInstances
(); }
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return
(totalobj - 1);
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}
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void
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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if
(
slavetotalspace
>= totalobj) {
return
; }
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G4int
originaltotalspace =
slavetotalspace
;
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slavetotalspace
= totalobj + 512;
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offset
= (T *)
realloc
(
offset
,
slavetotalspace
*
sizeof
(T));
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if
(
offset
== 0)
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{
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G4Exception
(
"G4PDefSplitter::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
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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public
:
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G4PART_DLL
static
G4ThreadLocal
G4int
slavetotalspace
;
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G4PART_DLL
static
G4ThreadLocal
T*
offset
;
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private
:
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G4int
totalobj;
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};
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#endif
free
void free(void *__ptr)
Definition:
hjmalloc.cc:140
pwdefs.hh
G4ThreadLocal
#define G4ThreadLocal
Definition:
tls.hh:52
G4int
int G4int
Definition:
G4Types.hh:78
G4PDefSplitter
Definition:
G4PDefSplitter.hh:52
G4PDefSplitter::offset
static G4PART_DLL G4ThreadLocal T * offset
Definition:
G4PDefSplitter.hh:101
G4PDefSplitter::FreeSlave
void FreeSlave()
Definition:
G4PDefSplitter.hh:90
G4PDefSplitter::slavetotalspace
static G4PART_DLL G4ThreadLocal G4int slavetotalspace
Definition:
G4PDefSplitter.hh:100
G4PDefSplitter::G4PDefSplitter
G4PDefSplitter()
Definition:
G4PDefSplitter.hh:56
globals.hh
G4Exception
void G4Exception(const char *originOfException, const char *exceptionCode, G4ExceptionSeverity severity, const char *comments)
Definition:
G4Exception.cc:41
G4PDefSplitter::NewSubInstances
void NewSubInstances()
Definition:
G4PDefSplitter.hh:68
FatalException
Definition:
G4ExceptionSeverity.hh:60
G4PART_DLL
#define G4PART_DLL
Definition:
pwdefs.hh:48
realloc
void * realloc(void *__ptr, size_t __size)
Definition:
hjmalloc.cc:103
G4PDefSplitter::CreateSubInstance
G4int CreateSubInstance()
Definition:
G4PDefSplitter.hh:58
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