Re: New Singleton Scheme
Ema wrote:
class Singleton
{
Singleton(const Singleton&);
Singleton& operator=(const Singleton&);
public:
void Init(void) {}
static Singleton& Instance(void)
{
Singleton _s;
return _s;
}
};
int main(int argc, char *argv[])
{
Singleton::Instance().Init();
// now ready for MT use
}
What does Init() achieve which the constructor doesn't?
Simply creates the object in a single thread context (you know if
there are any mutex(es) they get created in a thread safe context).
Init() doesn't create the object.
int main(int argc, char *argv[])
{
Singleton::Instance();
}
would be sufficient.
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