#include <PerfMonTestManyLeaksAlg.h>

Inheritance diagram for PerfMonTest::ManyLeaksAlg:

Collaboration diagram for PerfMonTest::ManyLeaksAlg:

Public Member Functions
virtual StatusCode	initialize () override
virtual StatusCode	execute () override
	AthAlgorithm (const std::string &name, ISvcLocator *pSvcLocator)
	Constructor:
virtual StatusCode	sysInitialize () override
	Override sysInitialize.
virtual const DataObjIDColl &	extraOutputDeps () const override
	Return the list of extra output dependencies.
ServiceHandle< StoreGateSvc > &	evtStore ()
	The standard `StoreGateSvc` (event store) Returns (kind of) a pointer to the `StoreGateSvc`.
const ServiceHandle< StoreGateSvc > &	detStore () const
	The standard `StoreGateSvc/DetectorStore` Returns (kind of) a pointer to the `StoreGateSvc`.
virtual StatusCode	sysStart () override
	Handle START transition.
virtual std::vector< Gaudi::DataHandle * >	inputHandles () const override
	Return this algorithm's input handles.
virtual std::vector< Gaudi::DataHandle * >	outputHandles () const override
	Return this algorithm's output handles.
Gaudi::Details::PropertyBase &	declareProperty (Gaudi::Property< T, V, H > &t)
void	updateVHKA (Gaudi::Details::PropertyBase &)
MsgStream &	msg () const
bool	msgLvl (const MSG::Level lvl) const

Protected Member Functions
void	renounceArray (SG::VarHandleKeyArray &handlesArray)
	remove all handles from I/O resolution
std::enable_if_t< std::is_void_v< std::result_of_t< decltype(&T::renounce)(T)> > &&!std::is_base_of_v< SG::VarHandleKeyArray, T > &&std::is_base_of_v< Gaudi::DataHandle, T >, void >	renounce (T &h)
void	extraDeps_update_handler (Gaudi::Details::PropertyBase &ExtraDeps)
	Add StoreName to extra input/output deps as needed.

Private Types
typedef ServiceHandle< StoreGateSvc >	StoreGateSvc_t

Private Member Functions
long *	stillReachableFct (long **array)
long *	possibleLostFct (long **array)
	this one's possible lost
long *	indirectlyLostFct (long **array)
	this one's indirectly lost
long *	definitelyLostFct (long **array)
	this one's definitely lost
void	leakAll ()
	this one's definitely lost
Gaudi::Details::PropertyBase &	declareGaudiProperty (Gaudi::Property< T, V, H > &hndl, const SG::VarHandleKeyType &)
	specialization for handling Gaudi::Property<SG::VarHandleKey>

Private Attributes
Gaudi::Property< int >	m_leakSize {this, "LeakSize", 10, "Number of longs to be leaked just once"}
	Property to setup the size of the leak.
Gaudi::Property< bool >	m_leakInInit {this, "LeakInInit", false, "Where it will leak: initialize or execute(default)"}
	Property to setup the location of the leak, in initialize (true) or execute (false)
long *	m_stillReachable {}
long *	m_possibleLost {}
long *	m_indirectlyLost {}
long *	m_definitelyLost {}
DataObjIDColl	m_extendedExtraObjects
StoreGateSvc_t	m_evtStore
	Pointer to StoreGate (event store by default)
StoreGateSvc_t	m_detStore
	Pointer to StoreGate (detector store by default)
std::vector< SG::VarHandleKeyArray * >	m_vhka
bool	m_varHandleArraysDeclared

Static Private Attributes
static long **m_pointers	ATLAS_THREAD_SAFE

Detailed Description

Definition at line 26 of file PerfMonTestManyLeaksAlg.h.

Member Typedef Documentation

◆ StoreGateSvc_t

typedef ServiceHandle<StoreGateSvc> AthCommonDataStore< AthCommonMsg< Algorithm > >::StoreGateSvc_t

privateinherited

Definition at line 388 of file AthCommonDataStore.h.

Member Function Documentation

◆ AthAlgorithm()

AthAlgorithm::AthAlgorithm	(	const std::string &	name,
		ISvcLocator *	pSvcLocator )

Constructor:

Definition at line 51 of file AthAlgorithm.cxx.

                                                       :
  ::AthCommonDataStore<AthCommonMsg<Algorithm>>   ( name, pSvcLocator )
{
  // Set up to run AthAlgorithmDHUpdate in sysInitialize before
  // merging dependency lists.  This extends the output dependency
  // list with any symlinks implied by inheritance relations.
  m_updateDataHandles =
    std::make_unique<AthenaBaseComps::AthAlgorithmDHUpdate>
    (m_extendedExtraObjects,
     std::move (m_updateDataHandles));
}

◆ declareGaudiProperty()

Gaudi::Details::PropertyBase & AthCommonDataStore< AthCommonMsg< Algorithm > >::declareGaudiProperty	(	Gaudi::Property< T, V, H > &	hndl,
		const SG::VarHandleKeyType &	)

inlineprivateinherited

specialization for handling Gaudi::Property<SG::VarHandleKey>

Definition at line 156 of file AthCommonDataStore.h.

  {
    return *AthCommonDataStore<PBASE>::declareProperty(hndl.name(),
                                                       hndl.value(), 
                                                       hndl.documentation());
 
  }

◆ declareProperty()

Gaudi::Details::PropertyBase & AthCommonDataStore< AthCommonMsg< Algorithm > >::declareProperty ( Gaudi::Property< T, V, H > & t )

inlineinherited

Definition at line 145 of file AthCommonDataStore.h.

                                                                     {
    typedef typename SG::HandleClassifier<T>::type htype;
    return AthCommonDataStore<PBASE>::declareGaudiProperty(t, htype());
  }

◆ definitelyLostFct()

long * ManyLeaksAlg::definitelyLostFct ( long ** array )

private

this one's definitely lost

Definition at line 145 of file PerfMonTestManyLeaksAlg.cxx.

{
  if ( ! bool(m_definitelyLost) )
    {
      // this one's definitely lost
      m_definitelyLost = new long[m_leakSize];
      
      // do something with it ...
      
      // and (accidentially) invalidate pointer
      m_definitelyLost = NULL;
      // now, we cannot delete m_possibleLost, because it's pointer value is gone
      // there's no reference in memory, so we cannot even do :
      // delete [] m_possibleLost;
    }
  return m_definitelyLost;
}

◆ detStore()

const ServiceHandle< StoreGateSvc > & AthCommonDataStore< AthCommonMsg< Algorithm > >::detStore ( ) const

inlineinherited

The standard StoreGateSvc/DetectorStore Returns (kind of) a pointer to the StoreGateSvc.

Definition at line 95 of file AthCommonDataStore.h.

95{ return m_detStore; }

AthCommonDataStore< AthCommonMsg< Algorithm > >::m_detStore

StoreGateSvc_t m_detStore

Definition AthCommonDataStore.h:393

◆ evtStore()

ServiceHandle< StoreGateSvc > & AthCommonDataStore< AthCommonMsg< Algorithm > >::evtStore ( )

inlineinherited

The standard StoreGateSvc (event store) Returns (kind of) a pointer to the StoreGateSvc.

Definition at line 85 of file AthCommonDataStore.h.

85{ return m_evtStore; }

AthCommonDataStore< AthCommonMsg< Algorithm > >::m_evtStore

StoreGateSvc_t m_evtStore

Definition AthCommonDataStore.h:390

◆ execute()

StatusCode ManyLeaksAlg::execute ( )

overridevirtual

Definition at line 42 of file PerfMonTestManyLeaksAlg.cxx.

{
  ATH_MSG_DEBUG ( "Executing " << name() << "..." ) ;
  
  if ( 0 == m_leakSize ) {
    return StatusCode::SUCCESS;
  }
  
  if ( ! m_leakInInit )  leakAll();
  
  return StatusCode::SUCCESS;
}

◆ extraDeps_update_handler()

void AthCommonDataStore< AthCommonMsg< Algorithm > >::extraDeps_update_handler ( Gaudi::Details::PropertyBase & ExtraDeps )

protectedinherited

Add StoreName to extra input/output deps as needed.

use the logic of the VarHandleKey to parse the DataObjID keys supplied via the ExtraInputs and ExtraOuputs Properties to add the StoreName if it's not explicitly given

◆ extraOutputDeps()

const DataObjIDColl & AthAlgorithm::extraOutputDeps ( ) const

overridevirtualinherited

Return the list of extra output dependencies.

This list is extended to include symlinks implied by inheritance relations.

Definition at line 50 of file AthAlgorithm.cxx.

{
  // If we didn't find any symlinks to add, just return the collection
  // from the base class.  Otherwise, return the extended collection.
  if (!m_extendedExtraObjects.empty()) {
    return m_extendedExtraObjects;
  }
  return Algorithm::extraOutputDeps();
}

◆ indirectlyLostFct()

long * ManyLeaksAlg::indirectlyLostFct ( long ** array )

private

this one's indirectly lost

Definition at line 113 of file PerfMonTestManyLeaksAlg.cxx.

{
  if ( ! bool(m_indirectlyLost) )
    {      
      // this one's indirectly lost
      m_indirectlyLost = new long[m_leakSize];
      
      // move along
      m_indirectlyLost++;
      m_indirectlyLost++;
      m_indirectlyLost++;
      m_indirectlyLost++;
      m_indirectlyLost++;
      m_indirectlyLost++;
      m_indirectlyLost++;
      m_indirectlyLost++;
      
      // save pointer in array
      array[127] = m_indirectlyLost;
      
      // do something with it ...
      
      // and (accidentially) invalidate pointer
      m_indirectlyLost = NULL;
      
      // we don't need it any more, but we don't clean up and delete array
      // array goes out of scope and it's lost !
      // array still points to m_indirectlyLost which is now indirectly lost
    }
  return m_indirectlyLost;
}

◆ initialize()

StatusCode ManyLeaksAlg::initialize ( )

overridevirtual

Definition at line 26 of file PerfMonTestManyLeaksAlg.cxx.

{
  ATH_MSG_INFO ( "Initializing " << name() << "..." ) ;
  
  // in m_pointers, we'll store the pointers to the allocated space
  // they need to exist beyond the lifetime of this algorithm
  // or the'll be gone and everything is labelled as 'definitly lost'
  
  if ( !bool(m_pointers) )
    m_pointers = new long* [4];
  
  if ( m_leakInInit )  leakAll();
  
  return StatusCode::SUCCESS;
}

◆ inputHandles()

virtual std::vector< Gaudi::DataHandle * > AthCommonDataStore< AthCommonMsg< Algorithm > >::inputHandles ( ) const

overridevirtualinherited

Return this algorithm's input handles.

We override this to include handle instances from key arrays if they have not yet been declared. See comments on updateVHKA.

◆ leakAll()

void ManyLeaksAlg::leakAll ( )

private

this one's definitely lost

Definition at line 55 of file PerfMonTestManyLeaksAlg.cxx.

{
  // 1024: if it's too small, they'll be classified as definitely lost
  // check Scott's wiki - will be created on the heap ?
  const unsigned int maxSize = 256;
  long **array = new long* [maxSize];
  for ( unsigned int i=0; i<maxSize; ++i )
    array[i] = NULL;
  
  // this one's definitely lost
  m_pointers[0] = this->definitelyLostFct(array);
  
  // this one's indirectly lost
  m_pointers[2] = this->indirectlyLostFct(array);
  
  // this one's possible lost
  m_pointers[1] = this->possibleLostFct(array);
  
  // we'll create a small 'mem leak', but it's still reachable
  m_pointers[0] = this->stillReachableFct(array);
  
  // don't delete m_pointers
}

◆ msg()

MsgStream & AthCommonMsg< Algorithm >::msg ( ) const

inlineinherited

Definition at line 24 of file AthCommonMsg.h.

                                {
    return this->msgStream();
  }

◆ msgLvl()

bool AthCommonMsg< Algorithm >::msgLvl ( const MSG::Level lvl ) const

inlineinherited

Definition at line 30 of file AthCommonMsg.h.

                                               {
    return this->msgLevel(lvl);
  }

◆ outputHandles()

virtual std::vector< Gaudi::DataHandle * > AthCommonDataStore< AthCommonMsg< Algorithm > >::outputHandles ( ) const

overridevirtualinherited

Return this algorithm's output handles.

We override this to include handle instances from key arrays if they have not yet been declared. See comments on updateVHKA.

◆ possibleLostFct()

long * ManyLeaksAlg::possibleLostFct ( long ** array )

private

this one's possible lost

Definition at line 93 of file PerfMonTestManyLeaksAlg.cxx.

{
  if ( ! bool(m_possibleLost) )
    {
      // this one's possible lost
      m_possibleLost = new long[m_leakSize];
      // move along
      m_possibleLost++;
      m_possibleLost++;
      m_possibleLost++;
      m_possibleLost++;
      
      // do something with it ...
      
      // we don't really need it any more, but we never delete m_possibleLost
      // delete [] m_possibleLost (must point to original location !!!)
    }
  return m_possibleLost;
}

◆ renounce()

std::enable_if_t< std::is_void_v< std::result_of_t< decltype(&T::renounce)(T)> > &&!std::is_base_of_v< SG::VarHandleKeyArray, T > &&std::is_base_of_v< Gaudi::DataHandle, T >, void > AthCommonDataStore< AthCommonMsg< Algorithm > >::renounce ( T & h )

inlineprotectedinherited

Definition at line 380 of file AthCommonDataStore.h.

  {
    h.renounce();
    PBASE::renounce (h);
  }

◆ renounceArray()

void AthCommonDataStore< AthCommonMsg< Algorithm > >::renounceArray ( SG::VarHandleKeyArray & handlesArray )

inlineprotectedinherited

remove all handles from I/O resolution

Definition at line 364 of file AthCommonDataStore.h.

                                                          {
    handlesArray.renounce();
  }

◆ stillReachableFct()

long * ManyLeaksAlg::stillReachableFct ( long ** array )

private

Definition at line 79 of file PerfMonTestManyLeaksAlg.cxx.

{
  if ( ! bool(m_stillReachable) )
    {
      m_stillReachable = new long[m_leakSize];
      
      // do something with it ...
      
      // we don't really need it any more, but we never delete m_stillReachable
      // delete [] m_stillReachable;
    }
  return m_stillReachable;
}

◆ sysInitialize()

StatusCode AthAlgorithm::sysInitialize ( )

overridevirtualinherited

Override sysInitialize.

Override sysInitialize from the base class.

Loop through all output handles, and if they're WriteCondHandles, automatically register them and this Algorithm with the CondSvc

Scan through all outputHandles, and if they're WriteCondHandles, register them with the CondSvc

Reimplemented from AthCommonDataStore< AthCommonMsg< Algorithm > >.

Reimplemented in AthAnalysisAlgorithm, AthFilterAlgorithm, AthHistogramAlgorithm, and PyAthena::Alg.

Definition at line 66 of file AthAlgorithm.cxx.

                                       {
  StatusCode sc=AthCommonDataStore<AthCommonMsg<Algorithm>>::sysInitialize();
 
  if (sc.isFailure()) {
    return sc;
  }
  ServiceHandle<ICondSvc> cs("CondSvc",name());
  for (auto h : outputHandles()) {
    if (h->isCondition() && h->mode() == Gaudi::DataHandle::Writer) {
      // do this inside the loop so we don't create the CondSvc until needed
      if ( cs.retrieve().isFailure() ) {
        ATH_MSG_WARNING("no CondSvc found: won't autoreg WriteCondHandles");
        return StatusCode::SUCCESS;
      }
      if (cs->regHandle(this,*h).isFailure()) {
        sc = StatusCode::FAILURE;
        ATH_MSG_ERROR("unable to register WriteCondHandle " << h->fullKey()
                      << " with CondSvc");
      }
    }
  }
  return sc;
}

◆ sysStart()

virtual StatusCode AthCommonDataStore< AthCommonMsg< Algorithm > >::sysStart ( )

overridevirtualinherited

Handle START transition.

We override this in order to make sure that conditions handle keys can cache a pointer to the conditions container.

◆ updateVHKA()

void AthCommonDataStore< AthCommonMsg< Algorithm > >::updateVHKA ( Gaudi::Details::PropertyBase & )

inlineinherited

Definition at line 308 of file AthCommonDataStore.h.

                                               {
    // debug() << "updateVHKA for property " << p.name() << " " << p.toString() 
    //         << "  size: " << m_vhka.size() << endmsg;
    for (auto &a : m_vhka) {
      std::vector<SG::VarHandleKey*> keys = a->keys();
      for (auto k : keys) {
        k->setOwner(this);
      }
    }
  }

Member Data Documentation

◆ ATLAS_THREAD_SAFE

long** m_pointers PerfMonTest::ManyLeaksAlg::ATLAS_THREAD_SAFE

staticprivate

Definition at line 74 of file PerfMonTestManyLeaksAlg.h.

◆ m_definitelyLost

long* PerfMonTest::ManyLeaksAlg::m_definitelyLost {}

private

Definition at line 70 of file PerfMonTestManyLeaksAlg.h.

70{};

◆ m_detStore

StoreGateSvc_t AthCommonDataStore< AthCommonMsg< Algorithm > >::m_detStore

privateinherited

Pointer to StoreGate (detector store by default)

Definition at line 393 of file AthCommonDataStore.h.

◆ m_evtStore

StoreGateSvc_t AthCommonDataStore< AthCommonMsg< Algorithm > >::m_evtStore

privateinherited

Pointer to StoreGate (event store by default)

Definition at line 390 of file AthCommonDataStore.h.

◆ m_extendedExtraObjects

DataObjIDColl AthAlgorithm::m_extendedExtraObjects

privateinherited

Definition at line 79 of file AthAlgorithm.h.

◆ m_indirectlyLost

long* PerfMonTest::ManyLeaksAlg::m_indirectlyLost {}

private

Definition at line 67 of file PerfMonTestManyLeaksAlg.h.

67{};

◆ m_leakInInit

Gaudi::Property<bool> PerfMonTest::ManyLeaksAlg::m_leakInInit {this, "LeakInInit", false, "Where it will leak: initialize or execute(default)"}

private

Property to setup the location of the leak, in initialize (true) or execute (false)

Definition at line 56 of file PerfMonTestManyLeaksAlg.h.

56{this, "LeakInInit", false, "Where it will leak: initialize or execute(default)"};

◆ m_leakSize

Gaudi::Property<int> PerfMonTest::ManyLeaksAlg::m_leakSize {this, "LeakSize", 10, "Number of longs to be leaked just once"}

private

Property to setup the size of the leak.

Definition at line 53 of file PerfMonTestManyLeaksAlg.h.

53{this, "LeakSize", 10, "Number of longs to be leaked just once"};

◆ m_possibleLost

long* PerfMonTest::ManyLeaksAlg::m_possibleLost {}

private

Definition at line 64 of file PerfMonTestManyLeaksAlg.h.

64{};

◆ m_stillReachable

long* PerfMonTest::ManyLeaksAlg::m_stillReachable {}

private

Definition at line 61 of file PerfMonTestManyLeaksAlg.h.

61{};

◆ m_varHandleArraysDeclared

bool AthCommonDataStore< AthCommonMsg< Algorithm > >::m_varHandleArraysDeclared

privateinherited

Definition at line 399 of file AthCommonDataStore.h.

◆ m_vhka

std::vector<SG::VarHandleKeyArray*> AthCommonDataStore< AthCommonMsg< Algorithm > >::m_vhka

privateinherited

Definition at line 398 of file AthCommonDataStore.h.

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

Public Member Functions

Protected Member Functions

Private Types

Private Member Functions

Private Attributes

Static Private Attributes

Detailed Description

Member Typedef Documentation

◆ StoreGateSvc_t

Member Function Documentation

◆ AthAlgorithm()

◆ declareGaudiProperty()

◆ declareProperty()

◆ definitelyLostFct()

◆ detStore()

◆ evtStore()

◆ execute()

◆ extraDeps_update_handler()

◆ extraOutputDeps()

◆ indirectlyLostFct()

◆ initialize()

◆ inputHandles()

◆ leakAll()

◆ msg()

◆ msgLvl()

◆ outputHandles()

◆ possibleLostFct()

◆ renounce()

◆ renounceArray()

◆ stillReachableFct()

◆ sysInitialize()

◆ sysStart()

◆ updateVHKA()

Member Data Documentation

◆ ATLAS_THREAD_SAFE

◆ m_definitelyLost

◆ m_detStore

◆ m_evtStore

◆ m_extendedExtraObjects

◆ m_indirectlyLost

◆ m_leakInInit

◆ m_leakSize

◆ m_possibleLost

◆ m_stillReachable

◆ m_varHandleArraysDeclared

◆ m_vhka