Add support for unique_ptr and shared_ptr to memusage

pull/262/head
Pieter Wuille 9 years ago
parent d46b8b50fc
commit 1b9e6d3c1a

@ -72,6 +72,15 @@ private:
X x;
};
struct stl_shared_counter
{
/* Various platforms use different sized counters here.
* Conservatively assume that they won't be larger than size_t. */
void* class_type;
size_t use_count;
size_t weak_count;
};
template<typename X>
static inline size_t DynamicUsage(const std::vector<X>& v)
{
@ -122,6 +131,21 @@ static inline size_t IncrementalDynamicUsage(const indirectmap<X, Y>& m)
return MallocUsage(sizeof(stl_tree_node<std::pair<const X*, Y> >));
}
template<typename X>
static inline size_t DynamicUsage(const std::unique_ptr<X>& p)
{
return p ? MallocUsage(sizeof(X)) : 0;
}
template<typename X>
static inline size_t DynamicUsage(const std::shared_ptr<X>& p)
{
// A shared_ptr can either use a single continuous memory block for both
// the counter and the storage (when using std::make_shared), or separate.
// We can't observe the difference, however, so assume the worst.
return p ? MallocUsage(sizeof(X)) + MallocUsage(sizeof(stl_shared_counter)) : 0;
}
// Boost data structures
template<typename X>

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