Merge "Fixes for NDK API Review feedback" into main
diff --git a/libs/binder/include/binder/Parcel.h b/libs/binder/include/binder/Parcel.h
index e2b23be..c394ac7 100644
--- a/libs/binder/include/binder/Parcel.h
+++ b/libs/binder/include/binder/Parcel.h
@@ -637,9 +637,6 @@
 
     LIBBINDER_EXPORTED const flat_binder_object* readObject(bool nullMetaData) const;
 
-    // Explicitly close all file descriptors in the parcel.
-    LIBBINDER_EXPORTED void closeFileDescriptors();
-
     // Debugging: get metrics on current allocations.
     LIBBINDER_EXPORTED static size_t getGlobalAllocSize();
     LIBBINDER_EXPORTED static size_t getGlobalAllocCount();
@@ -652,6 +649,9 @@
     LIBBINDER_EXPORTED void print(std::ostream& to, uint32_t flags = 0) const;
 
 private:
+    // Explicitly close all file descriptors in the parcel.
+    void closeFileDescriptors();
+
     // `objects` and `objectsSize` always 0 for RPC Parcels.
     typedef void (*release_func)(const uint8_t* data, size_t dataSize, const binder_size_t* objects,
                                  size_t objectsSize);
diff --git a/libs/binder/ndk/include_ndk/android/binder_ibinder.h b/libs/binder/ndk/include_ndk/android/binder_ibinder.h
index 2f6c4e3..bd46c47 100644
--- a/libs/binder/ndk/include_ndk/android/binder_ibinder.h
+++ b/libs/binder/ndk/include_ndk/android/binder_ibinder.h
@@ -224,8 +224,10 @@
  *
  * Trace messages will use the provided names instead of bare integer codes when set. If not set by
  * this function, trace messages will only be identified by the bare code. This should be called one
- * time during clazz initialization. clazz and transactionCodeToFunctionMap should have same
- * lifetime. Resetting/clearing the transactionCodeToFunctionMap is not allowed.
+ * time during clazz initialization. clazz is defined using AIBinder_Class_define and
+ * transactionCodeToFunctionMap should have same scope as clazz. Resetting/clearing the
+ * transactionCodeToFunctionMap is not allowed. Passing null for either clazz or
+ * transactionCodeToFunctionMap will abort.
  *
  * Available since API level 36.
  *
@@ -236,9 +238,6 @@
  * contiguous, and this is required for maximum memory efficiency.
  * You can use nullptr if certain transaction codes are not used. Lifetime should be same as clazz.
  * \param length number of elements in the transactionCodeToFunctionMap
- *
- * \return true if setting codeToFunction to clazz is successful. return false if clazz or
- * codeToFunction is nullptr.
  */
 void AIBinder_Class_setTransactionCodeToFunctionNameMap(AIBinder_Class* clazz,
                                                         const char** transactionCodeToFunctionMap,
@@ -257,7 +256,8 @@
  * \param transactionCode transaction_code_t for which function name is requested.
  *
  * \return function name in form of const char* if transaction code is valid for given class.
- * if transaction code is invalid or transactionCodeToFunctionMap is not set, nullptr is returned
+ * The value returned is valid for the lifetime of clazz. if transaction code is invalid or
+ * transactionCodeToFunctionMap is not set, nullptr is returned.
  */
 const char* AIBinder_Class_getFunctionName(AIBinder_Class* clazz, transaction_code_t code)
         __INTRODUCED_IN(36);
diff --git a/libs/binder/tests/binderCacheUnitTest.cpp b/libs/binder/tests/binderCacheUnitTest.cpp
index 482d197..be5d559 100644
--- a/libs/binder/tests/binderCacheUnitTest.cpp
+++ b/libs/binder/tests/binderCacheUnitTest.cpp
@@ -149,7 +149,16 @@
     EXPECT_EQ(OK, mServiceManager->addService(kCachedServiceName, binder2));
 
     // Confirm that new service is returned instead of old.
-    sp<IBinder> result2 = mServiceManager->checkService(kCachedServiceName);
+    int retry_count = 5;
+    sp<IBinder> result2;
+    do {
+        std::this_thread::sleep_for(std::chrono::milliseconds(50));
+        if (retry_count-- == 0) {
+            break;
+        }
+        result2 = mServiceManager->checkService(kCachedServiceName);
+    } while (result2 != binder2);
+
     ASSERT_EQ(binder2, result2);
 }