SH-3468 WIP add memory tracking base class

fixed crash on exit by making LLInstanceTracker iterators use atomic iterator
nesting count for thread safety

1 files changed, 18 insertions, 0 deletions

diff --git a/indra/llcommon/llinstancetracker.cpp b/indra/llcommon/llinstancetracker.cpp
index 5dc3ea5d7b..071a637cda 100644
--- a/indra/llcommon/llinstancetracker.cpp
+++ b/indra/llcommon/llinstancetracker.cpp
@@ -27,6 +27,8 @@
 #include "linden_common.h"
 // associated header
 #include "llinstancetracker.h"
+#include "llapr.h"
+
 // STL headers
 // std headers
 // external library headers
@@ -47,3 +49,19 @@ void * & LLInstanceTrackerBase::getInstances(std::type_info const & info)
 													 InstancesMap::mapped_type()))
 		.first->second;
 }
+
+void LLInstanceTrackerBase::StaticBase::incrementDepth()
+{
+	apr_atomic_inc32(&sIterationNestDepth);
+}
+
+void LLInstanceTrackerBase::StaticBase::decrementDepth()
+{
+	apr_atomic_dec32(&sIterationNestDepth);
+}
+
+U32 LLInstanceTrackerBase::StaticBase::getDepth()
+{
+	apr_uint32_t data = apr_atomic_read32(&sIterationNestDepth);
+	return data;
+}