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/*
Copyright (C) 2000 Stefan Westerfeld
stefan@space.twc.de
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef STARTUPMANAGER_H
#define STARTUPMANAGER_H
#include "arts_export.h"
#include <list>
/*
* BC - tqStatus (2002-03-08): StartupClass, StartupManager.
*
* The class needs to be kept BC, as the startup system bases on inheritance
* and virtual functions. Do not change.
*
* The manager is a collection class without nonstatic data, so no BC issues
* here.
*/
namespace Arts {
class ARTS_EXPORT StartupClass {
public:
StartupClass();
virtual void startup() = 0;
virtual void shutdown();
};
class StartupManager {
static std::list<StartupClass *> *startupClasses;
static class ExtensionLoader *activeExtensionLoader;
static bool running;
public:
static void add(StartupClass *sc);
static void startup();
static void shutdown();
/**
* since extensions will register startup classes in the same global way
* all other classes do (with StartupManager::add(<some startup class>)),
* the StartupManager supports forwarding all add requests to the
* active extension, which will allow synchronizing the lt_dlopen
* lt_dlclose with the calls of startup()/shutdown() of all StartupClasses
* present in the extension
*/
static void setExtensionLoader(class ExtensionLoader *extension);
/**
* to free all resources when the application terminates (internal use only)
*/
static void internalFreeAll();
};
}
#endif /* STARTUPMANAGER_H */
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