Segfaults with singletons
- by Ockonal
Hello, I have such code:
// Non singleton
class MyLogManager
{
void write(message) {Ogre::LogManager::getSingletonPtr()->logMessage(message);}
}
class Utils : public singleton<Utils>
{
MyLogManager *handle;
MyLogManager& getHandle { return *handle; }
};
namespace someNamespace
{
MyLogManager &Log() { return Utils::get_mutable_instance().getHandle(); }
}
int main()
{
someNamespace::Log().write("Starting game initializating...");
}
In this code I'm using boost's singleton (from serialization) and calling Ogre's log manager (it's singleton-type too).
The program fails at any trying to do something with Ogre::LogManager::getSingletonPtr() object with code
User program stopped by signal (SIGSEGV)
I checked that getSingletonPtr() returns address 0x000
But using code Utils::get_mutable_instance().getHandle().write("foo") works good in another part of program. What's wrong could be there with calling singletons?
