I get the feeling you are asking about using the same RefCountingPtr instance in multiple places: don't do that. It will only complicate matters.
Just copy the RefCountingPtr, like you would copy a standard pointer. The copy constructor and destructor in RefCountingPtr will make sure it's handled properly, so you don't have to worry about it. If you'd like more documentation on this, Qt provides very similar functionality with the QSharedPointer class: http://doc.trolltech.com/4.6/qsharedpointer.html#details Qt also has a number of other Pointer-replacing classes that are all slightly different. Reading about those might be interesting, too Grts, Jeroen On Thu, 2011-01-20 at 12:28 -0600, Nilay Vaish wrote: > So how would you handle pointer to an object which is reference counted? > Pointer to the same object may be being used at multiple places. > > I am facing some trouble with this. Should I post the code on the review > board? > > Nilay > > On Thu, 20 Jan 2011, nathan binkert wrote: > > >> What's the need of having reference counting? And more specifically, why do > >> we need message going into ruby to be reference counted? > > > > Reference counting is a garbage collection strategy. It also happens > > to be one that is easily used in C++. The specific reason why we use > > reference counting in a few places is because it can some times be > > difficult to keep track of an object and know when to delete it. For > > example, if you fire off a message into the memory system, who is > > responsible for deleting it? There are many different paths that a > > message could take and potentially many different endpoints where a > > message could be finished. With reference counting, when the last > > reference is given up, the object is automatically destroyed. For > > more info, I suggest wikipedia or google. > > > > Nate > > _______________________________________________ > > m5-dev mailing list > > m5-dev@m5sim.org > > http://m5sim.org/mailman/listinfo/m5-dev > > > _______________________________________________ > m5-dev mailing list > m5-dev@m5sim.org > http://m5sim.org/mailman/listinfo/m5-dev _______________________________________________ m5-dev mailing list m5-dev@m5sim.org http://m5sim.org/mailman/listinfo/m5-dev
