Add getNodeStrongRefCount() to BpHwBinder.

So that the servicemanager can query the current strong refcount
on the node that the BpHwBinder refers to.

Bug: 79983843
Test: builds, refcount returned is correct
Change-Id: I8bcedd55d1a2b987d3888da25e2d4d499cff9655

1 files changed, 7 insertions, 0 deletions

diff --git a/BpHwBinder.cpp b/BpHwBinder.cpp
index 223f854..aacbc8d 100644
--- a/BpHwBinder.cpp
+++ b/BpHwBinder.cpp
@@ -215,6 +215,13 @@ void BpHwBinder::sendObituary()
     }
 }
 
+// Returns the strong refcount on the object this proxy points to, or
+// -1 in case of failure.
+ssize_t BpHwBinder::getNodeStrongRefCount()
+{
+    return ProcessState::self()->getStrongRefCountForNodeByHandle(mHandle);
+}
+
 void BpHwBinder::reportOneDeath(const Obituary& obit)
 {
     sp<DeathRecipient> recipient = obit.recipient.promote();