/usr/include/MYGUI/MyGUI_Singleton.h is in libmygui-dev 3.2.2-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 | /*
* This source file is part of MyGUI. For the latest info, see http://mygui.info/
* Distributed under the MIT License
* (See accompanying file COPYING.MIT or copy at http://opensource.org/licenses/MIT)
*/
#ifndef MYGUI_SINGLETON_H_
#define MYGUI_SINGLETON_H_
#include "MyGUI_Diagnostic.h"
namespace MyGUI
{
#if MYGUI_COMPILER == MYGUI_COMPILER_MSVC || MYGUI_PLATFORM == MYGUI_PLATFORM_APPLE
template <class T>
class Singleton
#else
template <class T>
class MYGUI_EXPORT Singleton
#endif
{
public:
typedef Singleton<T> Base;
Singleton()
{
MYGUI_ASSERT(nullptr == msInstance, "Singleton instance " << getClassTypeName() << " already exsist");
msInstance = static_cast<T*>(this);
}
virtual ~Singleton()
{
MYGUI_ASSERT(nullptr != msInstance, "Destroying Singleton instance " << getClassTypeName() << " before constructing it.");
msInstance = nullptr;
}
static T& getInstance()
{
MYGUI_ASSERT(nullptr != getInstancePtr(), "Singleton instance " << getClassTypeName() << " was not created");
return (*getInstancePtr());
}
static T* getInstancePtr()
{
return msInstance;
}
static const char* getClassTypeName()
{
return mClassTypeName;
}
private:
static T* msInstance;
static const char* mClassTypeName;
};
} // namespace MyGUI
#endif // MYGUI_SINGLETON_H_
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