SegMemSvc.icc

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#include "AthAllocators/ArenaCachingHandle.h"
#include "AthAllocators/ArenaHandle.h"
#include "AthAllocators/ArenaPoolAllocator.h"
#include "StoreGate/tools/SGMsgStreamMacros.h"
 
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 
template <typename T>
T*
SegMemSvc::allocate(SegMemSvc::LIFETIME life, bool cache) {
  
  T* ptr = 0;
 
  if (cache) {
    typedef SG::ArenaCachingHandle<T, SG::ArenaPoolAllocator> Handle_t;
    if (life == SegMemSvc::EVENT) {
      ptr = (T*)Handle_t(&m_ahead_evt).allocate();
    } else if (life == SegMemSvc::JOB) {
      ptr = (T*)Handle_t(&m_ahead_job).allocate();
    } else if (life == SegMemSvc::INCIDENT) {
      ptr = (T*)Handle_t(&m_ahead_inc).allocate();
    }
  } else {
    typedef SG::ArenaHandle<T, SG::ArenaPoolAllocator> Handle_t;
    if (life == SegMemSvc::EVENT) {
      ptr = (T*)Handle_t(&m_ahead_evt).allocate();
    } else if (life == SegMemSvc::JOB) {
      ptr = (T*)Handle_t(&m_ahead_job).allocate();
    } else if (life == SegMemSvc::INCIDENT) {
      ptr = (T*)Handle_t(&m_ahead_inc).allocate();
    }
  }
 
  if (msgStream().level() <= MSG::DEBUG) {
    SG_MSG_DEBUG ("allocating object size {} with lifetime/cache {}/{} at {}",
                  sizeof(T), cvt(life), cache,
                  static_cast<void*>(ptr));
  }
 
 
  return ptr;
 
}
 
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 
template <typename T>
bool
SegMemSvc::del(T* ptr) {
 
  if (msgStream().level() <= MSG::DEBUG) {
    SG_MSG_DEBUG ("deleting object at {}", static_cast<void*>(ptr));
  }
  
 
  return true;
 
}