commit a7fb018627317740d3cb1d80727899146e611804
author Steven Moreland <smoreland@google.com> Wed Feb 26 16:02:08 2020 -0800
committer Steven Moreland <smoreland@google.com> Wed Feb 26 16:11:18 2020 -0800
tree c7e0ded3e2d02c876a8811fe4250bd85164e6661
parent aa59a8b100c30c20e50a9cedd04d76b3610f0de3

libbinder: avoid attached objects for stability

Attached objects require a heap allocation, and stability is always
attached. This avoids a heap allocation per binder object (Android R
regression).

Bug: 148177595
Test: binderStabilityTest

Change-Id: I5eab8be5d87fdd9468bcbd8d54913ca713559314

libs/binder/BpBinder.cpp

diff --git a/libs/binder/BpBinder.cpp b/libs/binder/BpBinder.cpp
index f16c39c..d2b9b8f 100644
--- a/libs/binder/BpBinder.cpp
+++ b/libs/binder/BpBinder.cpp
@@ -138,6 +138,7 @@
 
 BpBinder::BpBinder(int32_t handle, int32_t trackedUid)
     : mHandle(handle)
+    , mStability(0)
     , mAlive(1)
     , mObitsSent(0)
     , mObituaries(nullptr)