Make mediaserver listen to Codec2 services' deaths
Test: Kill media.extractor or mediaswcodec and observe logcat
Bug: 130071409
Change-Id: Ie785642da99dfe4ff13e78d878817dae3de9f34a
diff --git a/media/libmediaplayerservice/DeathNotifier.h b/media/libmediaplayerservice/DeathNotifier.h
new file mode 100644
index 0000000..7bc2611
--- /dev/null
+++ b/media/libmediaplayerservice/DeathNotifier.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_MEDIASERVICE_DEATHNOTIFIER_H
+#define ANDROID_MEDIASERVICE_DEATHNOTIFIER_H
+
+#include <android/hidl/base/1.0/IBase.h>
+#include <binder/Binder.h>
+#include <hidl/HidlSupport.h>
+
+#include <variant>
+
+namespace android {
+
+class DeathNotifier {
+public:
+ using HBase = hidl::base::V1_0::IBase;
+ using Notify = std::function<void()>;
+
+ DeathNotifier(sp<IBinder> const& service, Notify const& notify);
+ DeathNotifier(sp<HBase> const& service, Notify const& notify);
+ DeathNotifier(DeathNotifier&& other);
+ ~DeathNotifier();
+
+private:
+ std::variant<std::monostate, sp<IBinder>, sp<HBase>> mService;
+
+ class DeathRecipient;
+ sp<DeathRecipient> mDeathRecipient;
+};
+
+} // namespace android
+
+#endif // ANDROID_MEDIASERVICE_DEATHNOTIFIER_H
+