/usr/include/globjects/base/Singleton.inl is in libglobjects-dev 1.0.0-2.
This file is owned by root:root, with mode 0o644.
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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 | #pragma once
#include <cassert>
namespace globjects
{
template<class T>
T * Singleton<T>::s_instance(nullptr);
template<class T>
T * Singleton<T>::instance()
{
if (!s_instance)
{
s_instance = new T();
}
return s_instance;
}
template<class T>
Singleton<T>::Singleton()
{
assert(!s_instance);
}
template<class T>
Singleton<T>::~Singleton()
{
assert(s_instance);
delete s_instance;
}
} // namespace globjects
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