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new impl for SetLongevity which looks more like c++ and circumvents the usage of the so called (ms) 'deprecated' function copy_backward

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git-svn-id: svn://svn.code.sf.net/p/loki-lib/code/trunk@355 7ec92016-0320-0410-acc4-a06ded1c099a
This commit is contained in:
syntheticpp 2005-11-12 15:14:08 +00:00
parent 1c8bce4d43
commit d45e0a1b08
2 changed files with 86 additions and 11 deletions
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34
src/Singleton.cpp
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@ -13,20 +13,46 @@
// without express or implied warranty.
////////////////////////////////////////////////////////////////////////////////
// Last update: June 20, 2001
#include "../include/loki/Singleton.h"
using namespace Loki::Private;
#ifdef LOKI_ENABLE_NEW_SETLONGLIVITY_HELPER_DATA_IMPL
Loki::Private::TrackerArray* Loki::Private::pTrackerArray = 0;
#else
Loki::Private::TrackerArray Loki::Private::pTrackerArray = 0;
unsigned int Loki::Private::elements = 0;
#endif
////////////////////////////////////////////////////////////////////////////////
// function AtExitFn
// Ensures proper destruction of objects with longevity
////////////////////////////////////////////////////////////////////////////////
#ifdef LOKI_ENABLE_NEW_SETLONGLIVITY_HELPER_DATA_IMPL
void LOKI_C_CALLING_CONVENTION_QUALIFIER Loki::Private::AtExitFn()
{
assert(pTrackerArray!=0 && !pTrackerArray->empty());
// Pick the element at the top of the stack
LifetimeTracker* pTop = pTrackerArray->back();
// Remove that object off the stack _before_ deleting pTop
pTrackerArray->pop_back();
// Destroy the element
delete pTop;
// Destroy stack when it's empty _after_ deleting pTop
if(pTrackerArray->empty())
{
delete pTrackerArray;
pTrackerArray = 0;
}
}
#else
void LOKI_C_CALLING_CONVENTION_QUALIFIER Loki::Private::AtExitFn()
{
assert(elements > 0 && pTrackerArray != 0);
@ -41,6 +67,8 @@ void LOKI_C_CALLING_CONVENTION_QUALIFIER Loki::Private::AtExitFn()
delete pTop;
}
#endif
////////////////////////////////////////////////////////////////////////////////
// Change log:
// June 20, 2001: ported by Nick Thurn to gcc 2.95.3. Kudos, Nick!!!