54 lines
2.3 KiB
C++
54 lines
2.3 KiB
C++
|
////////////////////////////////////////////////////////////////////////////////
|
|||
|
|
// The Loki Library
|
|||
|
|
// Copyright (c) 2001 by Andrei Alexandrescu
|
|||
|
|
// This code accompanies the book:
|
|||
|
|
// Alexandrescu, Andrei. "Modern C++ Design: Generic Programming and Design
|
|||
|
|
// Patterns Applied". Copyright (c) 2001. Addison-Wesley.
|
|||
|
|
// Permission to use, copy, modify, distribute and sell this software for any
|
|||
|
|
// purpose is hereby granted without fee, provided that the above copyright
|
|||
|
|
// notice appear in all copies and that both that copyright notice and this
|
|||
|
|
// permission notice appear in supporting documentation.
|
|||
|
|
// The author or Addison-Wesley Longman make no representations about the
|
|||
|
|
// suitability of this software for any purpose. It is provided "as is"
|
|||
|
|
// without express or implied warranty.
|
|||
|
|
////////////////////////////////////////////////////////////////////////////////
|
|||
|
|
|
|||
|
|
// Last update: June 20, 2001
|
|||
|
|
|
|||
|
|
#include "Singleton.h"
|
|||
|
|
|
|||
|
|
using namespace Loki::Private;
|
|||
|
|
|
|||
|
|
Loki::Private::TrackerArray Loki::Private::pTrackerArray = 0;
|
|||
|
|
unsigned int Loki::Private::elements = 0;
|
|||
|
|
|
|||
|
|
////////////////////////////////////////////////////////////////////////////////
|
|||
|
|
// function AtExitFn
|
|||
|
|
// Ensures proper destruction of objects with longevity
|
|||
|
|
////////////////////////////////////////////////////////////////////////////////
|
|||
|
|
|
|||
|
|
void Loki::Private::AtExitFn()
|
|||
|
|
{
|
|||
|
|
assert(elements > 0 && pTrackerArray != 0);
|
|||
|
|
// Pick the element at the top of the stack
|
|||
|
|
LifetimeTracker* pTop = pTrackerArray[elements - 1];
|
|||
|
|
// Remove that object off the stack
|
|||
|
|
// Don't check errors - realloc with less memory
|
|||
|
|
// can't fail
|
|||
|
|
pTrackerArray = static_cast<TrackerArray>(realloc(
|
|||
|
|
pTrackerArray, sizeof(*pTrackerArray) * --elements));
|
|||
|
|
// Destroy the element
|
|||
|
|
delete pTop;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
////////////////////////////////////////////////////////////////////////////////
|
|||
|
|
// Change log:
|
|||
|
|
// June 20, 2001: ported by Nick Thurn to gcc 2.95.3. Kudos, Nick!!!
|
|||
|
|
// January 10, 2002: Fixed bug in call to realloc - credit due to Nigel Gent and
|
|||
|
|
// Eike Petersen
|
|||
|
|
// May 08, 2002: Refixed bug in call to realloc
|
|||
|
|
// October 12, 2002: Ported to MSVC 6 by Terje Sletteb<65>.
|
|||
|
|
// Interface for SingletonHolder changed from using template template
|
|||
|
|
// parameters, to using classes with member templates.
|
|||
|
|
////////////////////////////////////////////////////////////////////////////////
|