G4ThreadLocalSingleton< T > Class Template Reference

#include <G4ThreadLocalSingleton.hh>

Inheritance diagram for G4ThreadLocalSingleton< T >:

Public Member Functions
	G4ThreadLocalSingleton ()
	G4ThreadLocalSingleton (const G4ThreadLocalSingleton &)=delete
	G4ThreadLocalSingleton (G4ThreadLocalSingleton &&)=default
T *	Instance () const
G4ThreadLocalSingleton &	operator= (const G4ThreadLocalSingleton &)=delete
G4ThreadLocalSingleton &	operator= (G4ThreadLocalSingleton &&)=default
	~G4ThreadLocalSingleton ()

Private Types
typedef T *	value_type

Private Member Functions
void	Clear ()
value_type &	Get () const
value_type &	GetCache () const
const G4int &	GetId () const
value_type	Pop ()
void	Put (const value_type &val) const
void	Register (T *i) const

Private Attributes
G4int	id
std::list< T * >	instances
G4Mutex	listm
G4CacheReference< value_type >	theCache

Static Private Attributes
static std::atomic< unsigned int >	dstrctr
static std::atomic< unsigned int >	instancesctr

Friends
void	G4AutoDelete::Register (T *)

Detailed Description

template<class T>
class G4ThreadLocalSingleton< T >

Definition at line 145 of file G4ThreadLocalSingleton.hh.

Member Typedef Documentation

value_type

typedef T * G4Cache< T * >::value_type

inherited

Definition at line 91 of file G4Cache.hh.

Constructor & Destructor Documentation

G4ThreadLocalSingleton() [1/3]

template<class T >

G4ThreadLocalSingleton< T >::G4ThreadLocalSingleton

Definition at line 178 of file G4ThreadLocalSingleton.hh.

  : G4Cache<T*>()
{
  G4MUTEXINIT(listm);
  G4Cache<T*>::Put(static_cast<T*>(0));
  // Uncomment below to find the origin of where instantiation happened
  /*
  auto bt = G4Backtrace::GetDemangled<4, 1>(
    [](const char* cstr) { return std::string{ cstr }; });
  std::cout << "Backtrace to G4ThreadLocalSingleton<"
            << G4Demangle<T>().c_str() << ">:\n";
  for(auto& itr : bt)
  {
    if(!itr.empty())
      std::cout << "\t" << itr << "\n";
  }
  */
  G4ThreadLocalSingleton<void>::Insert([&]() {
    printf("Deleting G4ThreadLocalSingletons for type %s ...\n",
           G4Demangle<T>().c_str());
    this->Clear();
  });
}

References G4ThreadLocalSingleton< T >::Clear(), G4MUTEXINIT, G4ThreadLocalSingleton< T >::listm, and G4Cache< VALTYPE >::Put().

~G4ThreadLocalSingleton()

template<class T >

G4ThreadLocalSingleton< T >::~G4ThreadLocalSingleton

Definition at line 203 of file G4ThreadLocalSingleton.hh.

{
  Clear();
  G4MUTEXDESTROY(listm);
}

References G4MUTEXDESTROY.

G4ThreadLocalSingleton() [2/3]

template<class T >

G4ThreadLocalSingleton< T >::G4ThreadLocalSingleton ( const G4ThreadLocalSingleton< T > &  )

delete

G4ThreadLocalSingleton() [3/3]

template<class T >

G4ThreadLocalSingleton< T >::G4ThreadLocalSingleton ( G4ThreadLocalSingleton< T > &&  )

default

Member Function Documentation

Clear()

template<class T >

void G4ThreadLocalSingleton< T >::Clear

private

Definition at line 230 of file G4ThreadLocalSingleton.hh.

{
  if(instances.empty())
    return;
  G4AutoLock l(&listm);
  while(!instances.empty())
  {
    T* thisinst = instances.front();
    instances.pop_front();
    delete thisinst;
  }
}

Referenced by G4ThreadLocalSingleton< T >::G4ThreadLocalSingleton(), and G4TaskRunManager::~G4TaskRunManager().

Get()

V & G4Cache< V >::Get

inlineinherited

Definition at line 103 of file G4Cache.hh.

{
  return GetCache();
}

GetCache()

value_type & G4Cache< T * >::GetCache ( ) const

inlineprivateinherited

Definition at line 124 of file G4Cache.hh.

  {
    theCache.Initialize(id);
    return theCache.GetCache(id);
  }

GetId()

const G4int & G4Cache< T * >::GetId ( ) const

inlineprotectedinherited

Definition at line 116 of file G4Cache.hh.

{ return id; }

Instance()

template<class T >

T * G4ThreadLocalSingleton< T >::Instance

Definition at line 210 of file G4ThreadLocalSingleton.hh.

{
  T* instance = G4Cache<T*>::Get();
  if(instance == static_cast<T*>(0))
  {
    instance = new T;
    G4Cache<T*>::Put(instance);
    Register(instance);
  }
  return instance;
}

References G4Cache< VALTYPE >::Get(), G4Cache< VALTYPE >::Put(), and G4AutoDelete::Register().

Referenced by G4AdjointCSManager::GetAdjointCSManager(), G4BiasingOperationManager::GetInstance(), G4ParticleHPThreadLocalManager::GetInstance(), G4NuclearPolarizationStore::GetInstance(), G4PhysicsListHelper::GetPhysicsListHelper(), G4ProcessTable::GetProcessTable(), G4VelocityTable::GetVelocityTable(), G4AccumulableManager::Instance(), G4CsvAnalysisManager::Instance(), G4CsvAnalysisReader::Instance(), G4GenericAnalysisManager::Instance(), G4Hdf5AnalysisManager::Instance(), G4Hdf5AnalysisReader::Instance(), G4RootAnalysisManager::Instance(), G4RootAnalysisReader::Instance(), G4XmlAnalysisManager::Instance(), G4XmlAnalysisReader::Instance(), G4LossTableManager::Instance(), G4CrossSectionDataSetRegistry::Instance(), and G4HadronicInteractionRegistry::Instance().

operator=() [1/2]

template<class T >

G4ThreadLocalSingleton & G4ThreadLocalSingleton< T >::operator= ( const G4ThreadLocalSingleton< T > &  )

delete

operator=() [2/2]

template<class T >

G4ThreadLocalSingleton & G4ThreadLocalSingleton< T >::operator= ( G4ThreadLocalSingleton< T > &&  )

default

Pop()

V G4Cache< V >::Pop

inlineinherited

Definition at line 109 of file G4Cache.hh.

{
  return GetCache();
}

Put()

void G4Cache< V >::Put ( const value_type &  val ) const

inlineinherited

Definition at line 106 of file G4Cache.hh.

{
  GetCache() = val;
}

Register()

template<class T >

void G4ThreadLocalSingleton< T >::Register ( T *  i ) const

private

Definition at line 223 of file G4ThreadLocalSingleton.hh.

{
  G4AutoLock l(&listm);
  instances.push_back(i);
}

Referenced by G4AutoDelete::Register().

Friends And Related Function Documentation

G4AutoDelete::Register

template<class T >

void G4AutoDelete::Register ( T *  )

friend

Field Documentation

dstrctr

std::atomic< unsigned int > G4Cache< V >::dstrctr

staticprivateinherited

Definition at line 122 of file G4Cache.hh.

id

G4int G4Cache< T * >::id

privateinherited

Definition at line 119 of file G4Cache.hh.

instances

template<class T >

std::list<T*> G4ThreadLocalSingleton< T >::instances

mutableprivate

Definition at line 169 of file G4ThreadLocalSingleton.hh.

instancesctr

std::atomic< unsigned int > G4Cache< V >::instancesctr

staticprivateinherited

Definition at line 121 of file G4Cache.hh.

listm

template<class T >

G4Mutex G4ThreadLocalSingleton< T >::listm

mutableprivate

Definition at line 170 of file G4ThreadLocalSingleton.hh.

Referenced by G4ThreadLocalSingleton< T >::G4ThreadLocalSingleton().

theCache

G4CacheReference<value_type> G4Cache< T * >::theCache

mutableprivateinherited

Definition at line 120 of file G4Cache.hh.

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The documentation for this class was generated from the following files:

• source/analysis/accumulables/include/G4AccumulableManager.hh
• source/global/management/include/G4ThreadLocalSingleton.hh