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JUCE/modules/juce_events/messages/juce_DeletedAtShutdown.cpp
2012-03-20 16:00:06 +00:00

80 lines
2.7 KiB
C++

/*
==============================================================================
This file is part of the JUCE library - "Jules' Utility Class Extensions"
Copyright 2004-11 by Raw Material Software Ltd.
------------------------------------------------------------------------------
JUCE can be redistributed and/or modified under the terms of the GNU General
Public License (Version 2), as published by the Free Software Foundation.
A copy of the license is included in the JUCE distribution, or can be found
online at www.gnu.org/licenses.
JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
------------------------------------------------------------------------------
To release a closed-source product which uses JUCE, commercial licenses are
available: visit www.rawmaterialsoftware.com/juce for more information.
==============================================================================
*/
static SpinLock deletedAtShutdownLock;
DeletedAtShutdown::DeletedAtShutdown()
{
const SpinLock::ScopedLockType sl (deletedAtShutdownLock);
getObjects().add (this);
}
DeletedAtShutdown::~DeletedAtShutdown()
{
const SpinLock::ScopedLockType sl (deletedAtShutdownLock);
getObjects().removeValue (this);
}
void DeletedAtShutdown::deleteAll()
{
// make a local copy of the array, so it can't get into a loop if something
// creates another DeletedAtShutdown object during its destructor.
Array <DeletedAtShutdown*> localCopy;
{
const SpinLock::ScopedLockType sl (deletedAtShutdownLock);
localCopy = getObjects();
}
for (int i = localCopy.size(); --i >= 0;)
{
JUCE_TRY
{
DeletedAtShutdown* deletee = localCopy.getUnchecked(i);
// double-check that it's not already been deleted during another object's destructor.
{
const SpinLock::ScopedLockType sl (deletedAtShutdownLock);
if (! getObjects().contains (deletee))
deletee = nullptr;
}
delete deletee;
}
JUCE_CATCH_EXCEPTION
}
// if no objects got re-created during shutdown, this should have been emptied by their
// destructors
jassert (getObjects().size() == 0);
getObjects().clear(); // just to make sure the array doesn't have any memory still allocated
}
Array <DeletedAtShutdown*>& DeletedAtShutdown::getObjects()
{
static Array <DeletedAtShutdown*> objects;
return objects;
}