HIDL templated destructor
This change implements a simple template function to explicitly destruct
objects in HIDL. This is particularly useful in the context of HIDL safe
unions, where non-primitive objects are constructed using the placement
new operator.
Bug: n/a
Test: Ran make
Change-Id: Iceb7d311732f7ea67e132a32ab7410b78ce371c2
diff --git a/base/include/hidl/HidlInternal.h b/base/include/hidl/HidlInternal.h
index 5a08bc3..d000a87 100644
--- a/base/include/hidl/HidlInternal.h
+++ b/base/include/hidl/HidlInternal.h
@@ -48,6 +48,15 @@
// If "ro.vndk.version" is not set or set to "current", it returns empty string.
std::string getVndkVersionStr();
+// Explicitly invokes the parameterized element's destructor;
+// intended to be used alongside the placement new operator.
+template<typename T>
+void destructElement(T* element) {
+ if (element != nullptr) {
+ element->~T();
+ }
+}
+
// HIDL client/server code should *NOT* use this class.
//
// hidl_pointer wraps a pointer without taking ownership,