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) |
||
Line 1: | Line 1: | ||
== 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 | ||
{ | { | ||
Line 15: | Line 15: | ||
Callback<void> m_callback; | Callback<void> m_callback; | ||
}; | }; | ||
− | < | + | <pre> |
− | + | ||
int main(int argc, char* argv[]) | int main(int argc, char* argv[]) | ||
{ | { | ||
Ptr<A> a = CreateObject<A>(); | Ptr<A> a = CreateObject<A>(); | ||
− | Ptr | + | Ptr<B> b = CreateObject<B>(); |
a->m_callback = MakeCallback (&B::CallbackMethodB, b); | a->m_callback = MakeCallback (&B::CallbackMethodB, b); | ||
b->m_callback = MakeCallback (&A::CallbackMethodA, a); | b->m_callback = MakeCallback (&A::CallbackMethodA, a); | ||
} | } | ||
− | </ | + | </pre> |
or | or | ||
− | + | ||
int main(int argc, char* argv[]) | int main(int argc, char* argv[]) | ||
{ | { | ||
Line 34: | Line 33: | ||
b->AggregateObject(a); | b->AggregateObject(a); | ||
} | } | ||
− | + | ||
− | + | ||
==15749== LEAK SUMMARY: | ==15749== LEAK SUMMARY: | ||
==15749== definitely lost: 40 bytes in 1 blocks | ==15749== definitely lost: 40 bytes in 1 blocks | ||
Line 42: | Line 40: | ||
==15749== still reachable: 10,360 bytes in 5 blocks | ==15749== still reachable: 10,360 bytes in 5 blocks | ||
==15749== suppressed: 0 bytes in 0 blocks | ==15749== suppressed: 0 bytes in 0 blocks | ||
− |
Revision as of 16:52, 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<A> a = CreateObject<A>(); Ptr<B> 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 = 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