Difference between revisions of "HOWTO resolve circular references in ns-3 memory disposal"
From Nsnam
(→HOWTO resolve smart pointer circular references in ns-3 memory disposal) |
(→HOWTO resolve smart pointer circular references in ns-3 memory disposal) |
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== HOWTO resolve smart pointer circular references in ns-3 memory disposal == | == HOWTO resolve smart pointer circular references in ns-3 memory disposal == | ||
| − | class A : public Object | + | class A : public Object |
| − | { | + | { |
| − | public: | + | public: |
| − | + | static TypeId GetTypeId (void); | |
| + | void CallbackMethodA(); | ||
| + | Callback<void> m_callback; | ||
| + | }; | ||
| + | class B : public Object | ||
| + | { | ||
| + | public: | ||
| + | static TypeId GetTypeId (void); | ||
| + | void CallbackMethodB(); | ||
| + | Callback<void> m_callback; | ||
| + | }; | ||
| − | + | int main(int argc, char* argv[]) | |
| − | + | { | |
| − | + | Ptr\lA\g a = CreateObject<A>(); | |
| − | + | ||
| − | + | ||
| − | + | ||
| − | + | ||
| − | + | ||
| − | + | ||
| − | + | ||
| − | + | ||
| − | + | ||
| − | + | ||
| − | + | ||
| − | + | ||
| − | int main(int argc, char* argv[]) | + | |
| − | { | + | |
| − | + | ||
Ptr<B> b = CreateObject<B>(); | Ptr<B> b = CreateObject<B>(); | ||
Revision as of 16:43, 30 August 2013
HOWTO resolve smart pointer circular references in ns-3 memory disposal
class A : public Object
{
public:
static TypeId GetTypeId (void);
void CallbackMethodA();
Callback<void> m_callback;
};
class B : public Object
{
public:
static TypeId GetTypeId (void);
void CallbackMethodB();
Callback<void> m_callback;
};
int main(int argc, char* argv[])
{
Ptr\lA\g a = CreateObject<A>();
Ptr b = CreateObject<B>();
a->m_callback = MakeCallback (&B::CallbackMethodB, b); b->m_callback = MakeCallback (&A::CallbackMethodA, a); }
or
int main(int argc, char* argv[]) { Ptr<A> a = CreateObject<A>(); Ptr<B> b = CreateObject<B>();
a->m_callback = MakeCallback (&B::CallbackMethodB, b); b->AggregateObject(a); }
==15749== LEAK SUMMARY: ==15749== definitely lost: 40 bytes in 1 blocks ==15749== indirectly lost: 152 bytes in 5 blocks ==15749== possibly lost: 0 bytes in 0 blocks ==15749== still reachable: 10,360 bytes in 5 blocks ==15749== suppressed: 0 bytes in 0 blocks
