Merge "Add hwbinder library"

am: 49e2a9a612

Change-Id: I3c7528dcf98bf3b92843594172531fd30a5f29d4

Android.mk

@@ -610,6 +610,32 @@ $(framework_module): | $(dir $(framework_module))framework-res.apk
 
 framework_built := $(call java-lib-deps,framework)
 
+# HwBinder
+# =======================================================
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := \
+        core/java/android/os/HidlSupport.java \
+        core/java/android/annotation/NonNull.java \
+        core/java/android/os/HwBinder.java \
+        core/java/android/os/HwBlob.java \
+        core/java/android/os/HwParcel.java \
+        core/java/android/os/IHwBinder.java \
+        core/java/android/os/IHwInterface.java \
+        core/java/android/os/DeadObjectException.java \
+        core/java/android/os/DeadSystemException.java \
+        core/java/android/os/RemoteException.java \
+        core/java/android/util/AndroidException.java \
+
+LOCAL_NO_STANDARD_LIBRARIES := true
+LOCAL_JAVA_LIBRARIES := core-oj core-libart
+LOCAL_MODULE_TAGS := optional
+LOCAL_MODULE := hwbinder
+
+LOCAL_DX_FLAGS := --core-library
+LOCAL_UNINSTALLABLE_MODULE := true
+include $(BUILD_JAVA_LIBRARY)
+
 # Copy AIDL files to be preprocessed and included in the SDK,
 # specified relative to the root of the build tree.
 # ============================================================

core/java/android/os/HwBinder.java

@@ -71,4 +71,13 @@ public abstract class HwBinder implements IHwBinder {
     }
 
     private long mNativeContext;
+
+    private static native void native_report_sysprop_change();
+
+    /**
+     * Notifies listeners that a system property has changed
+     */
+    public static void reportSyspropChanged() {
+        native_report_sysprop_change();
+    }
 }

core/jni/android_os_HwBinder.cpp

@@ -36,6 +36,7 @@
 #include <hwbinder/ProcessState.h>
 #include <nativehelper/ScopedLocalRef.h>
 #include <vintf/parse_string.h>
+#include <utils/misc.h>
 
 #include "core_jni_helpers.h"
 
@@ -405,6 +406,11 @@ void JHwBinder_native_joinRpcThreadpool() {
     IPCThreadState::self()->joinThreadPool();
 }
 
+static void JHwBinder_report_sysprop_change(JNIEnv /**env*/, jobject /*clazz*/)
+{
+    report_sysprop_change();
+}
+
 static JNINativeMethod gMethods[] = {
     { "native_init", "()J", (void *)JHwBinder_native_init },
     { "native_setup", "()V", (void *)JHwBinder_native_setup },
@@ -424,6 +430,9 @@ static JNINativeMethod gMethods[] = {
 
     { "joinRpcThreadpool", "()V",
         (void *)JHwBinder_native_joinRpcThreadpool },
+
+    { "native_report_sysprop_change", "()V",
+        (void *)JHwBinder_report_sysprop_change },
 };
 
 namespace android {