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authorRichard Linden <none@none>2013-06-05 19:05:43 -0700
committerRichard Linden <none@none>2013-06-05 19:05:43 -0700
commit0a96b47663c99914c587cdcb8bcdc096bbf55fa3 (patch)
tree67bca4958927ed7f6df423de05e42cd271292391 /indra/llcommon/llinstancetracker.h
parentdcfb18373eca7986a73d8b9a1d34970cc0a23ed9 (diff)
parenta74b5dfa923f8eeccc9b786143f0f832de3ad450 (diff)
merge with viewer-release
Diffstat (limited to 'indra/llcommon/llinstancetracker.h')
-rwxr-xr-xindra/llcommon/llinstancetracker.h67
1 files changed, 30 insertions, 37 deletions
diff --git a/indra/llcommon/llinstancetracker.h b/indra/llcommon/llinstancetracker.h
index 1eab270e3c..c8e1d9cd84 100755
--- a/indra/llcommon/llinstancetracker.h
+++ b/indra/llcommon/llinstancetracker.h
@@ -46,22 +46,6 @@
class LL_COMMON_API LLInstanceTrackerBase
{
protected:
- /// Get a process-unique void* pointer slot for the specified type_info
- static void * & getInstances(std::type_info const & info);
-
- /// Find or create a STATICDATA instance for the specified TRACKED class.
- /// STATICDATA must be default-constructible.
- template<typename STATICDATA, class TRACKED>
- static STATICDATA& getStatic()
- {
- void *& instances = getInstances(typeid(TRACKED));
- if (! instances)
- {
- instances = new STATICDATA;
- }
- return *static_cast<STATICDATA*>(instances);
- }
-
/// It's not essential to derive your STATICDATA (for use with
/// getStatic()) from StaticBase; it's just that both known
/// implementations do.
@@ -70,15 +54,21 @@ protected:
StaticBase():
sIterationNestDepth(0)
{}
- S32 sIterationNestDepth;
+
+ void incrementDepth();
+ void decrementDepth();
+ U32 getDepth();
+ private:
+ U32 sIterationNestDepth;
};
};
/// This mix-in class adds support for tracking all instances of the specified class parameter T
/// The (optional) key associates a value of type KEY with a given instance of T, for quick lookup
/// If KEY is not provided, then instances are stored in a simple set
-/// @NOTE: see explicit specialization below for default KEY==T* case
-template<typename T, typename KEY = T*>
+/// @NOTE: see explicit specialization below for default KEY==void case
+/// @NOTE: this class is not thread-safe unless used as read-only
+template<typename T, typename KEY = void>
class LLInstanceTracker : public LLInstanceTrackerBase
{
typedef LLInstanceTracker<T, KEY> MyT;
@@ -87,7 +77,7 @@ class LLInstanceTracker : public LLInstanceTrackerBase
{
InstanceMap sMap;
};
- static StaticData& getStatic() { return LLInstanceTrackerBase::getStatic<StaticData, MyT>(); }
+ static StaticData& getStatic() { static StaticData sData; return sData;}
static InstanceMap& getMap_() { return getStatic().sMap; }
public:
@@ -99,12 +89,12 @@ public:
instance_iter(const typename InstanceMap::iterator& it)
: mIterator(it)
{
- ++getStatic().sIterationNestDepth;
+ getStatic().incrementDepth();
}
~instance_iter()
{
- --getStatic().sIterationNestDepth;
+ getStatic().decrementDepth();
}
@@ -131,20 +121,20 @@ public:
typedef boost::iterator_facade<key_iter, KEY, boost::forward_traversal_tag> super_t;
key_iter(typename InstanceMap::iterator it)
- : mIterator(it)
+ : mIterator(it)
{
- ++getStatic().sIterationNestDepth;
+ getStatic().incrementDepth();
}
key_iter(const key_iter& other)
- : mIterator(other.mIterator)
+ : mIterator(other.mIterator)
{
- ++getStatic().sIterationNestDepth;
+ getStatic().incrementDepth();
}
~key_iter()
{
- --getStatic().sIterationNestDepth;
+ getStatic().decrementDepth();
}
@@ -182,7 +172,10 @@ public:
return instance_iter(getMap_().end());
}
- static S32 instanceCount() { return getMap_().size(); }
+ static S32 instanceCount()
+ {
+ return getMap_().size();
+ }
static key_iter beginKeys()
{
@@ -203,7 +196,7 @@ protected:
virtual ~LLInstanceTracker()
{
// it's unsafe to delete instances of this type while all instances are being iterated over.
- llassert_always(getStatic().sIterationNestDepth == 0);
+ llassert_always(getStatic().getDepth() == 0);
remove_();
}
virtual void setKey(KEY key) { remove_(); add_(key); }
@@ -227,18 +220,18 @@ private:
KEY mInstanceKey;
};
-/// explicit specialization for default case where KEY is T*
+/// explicit specialization for default case where KEY is void
/// use a simple std::set<T*>
template<typename T>
-class LLInstanceTracker<T, T*> : public LLInstanceTrackerBase
+class LLInstanceTracker<T, void> : public LLInstanceTrackerBase
{
- typedef LLInstanceTracker<T, T*> MyT;
+ typedef LLInstanceTracker<T, void> MyT;
typedef typename std::set<T*> InstanceSet;
struct StaticData: public StaticBase
{
InstanceSet sSet;
};
- static StaticData& getStatic() { return LLInstanceTrackerBase::getStatic<StaticData, MyT>(); }
+ static StaticData& getStatic() { static StaticData sData; return sData; }
static InstanceSet& getSet_() { return getStatic().sSet; }
public:
@@ -265,18 +258,18 @@ public:
instance_iter(const typename InstanceSet::iterator& it)
: mIterator(it)
{
- ++getStatic().sIterationNestDepth;
+ getStatic().incrementDepth();
}
instance_iter(const instance_iter& other)
: mIterator(other.mIterator)
{
- ++getStatic().sIterationNestDepth;
+ getStatic().incrementDepth();
}
~instance_iter()
{
- --getStatic().sIterationNestDepth;
+ getStatic().decrementDepth();
}
private:
@@ -309,7 +302,7 @@ protected:
virtual ~LLInstanceTracker()
{
// it's unsafe to delete instances of this type while all instances are being iterated over.
- llassert_always(getStatic().sIterationNestDepth == 0);
+ llassert_always(getStatic().getDepth() == 0);
getSet_().erase(static_cast<T*>(this));
}