Add API to query if a UID is active
Test: cts-tradefed run cts-dev -m CtsCameraTestCases
Bug: 72863398
Change-Id: I8e5021f2ef4cd77fc89ae3b47cc32ad6913da0d6
diff --git a/libs/binder/ActivityManager.cpp b/libs/binder/ActivityManager.cpp
index 9adac26..2728f35 100644
--- a/libs/binder/ActivityManager.cpp
+++ b/libs/binder/ActivityManager.cpp
@@ -80,6 +80,15 @@
}
}
+bool ActivityManager::isUidActive(const uid_t uid, const String16& callingPackage)
+{
+ sp<IActivityManager> service = getService();
+ if (service != NULL) {
+ return service->isUidActive(uid, callingPackage);
+ }
+ return false;
+}
+
status_t ActivityManager::linkToDeath(const sp<IBinder::DeathRecipient>& recipient) {
sp<IActivityManager> service = getService();
if (service != NULL) {
diff --git a/libs/binder/IActivityManager.cpp b/libs/binder/IActivityManager.cpp
index b7a5fd9..428db4d 100644
--- a/libs/binder/IActivityManager.cpp
+++ b/libs/binder/IActivityManager.cpp
@@ -78,6 +78,18 @@
data.writeStrongBinder(IInterface::asBinder(observer));
remote()->transact(UNREGISTER_UID_OBSERVER_TRANSACTION, data, &reply);
}
+
+ virtual bool isUidActive(const uid_t uid, const String16& callingPackage)
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(IActivityManager::getInterfaceDescriptor());
+ data.writeInt32(uid);
+ data.writeString16(callingPackage);
+ remote()->transact(IS_UID_ACTIVE_TRANSACTION, data, &reply);
+ // fail on exception
+ if (reply.readExceptionCode() != 0) return false;
+ return reply.readInt32() == 1;
+ }
};
// ------------------------------------------------------------------------------------
diff --git a/libs/binder/include/binder/ActivityManager.h b/libs/binder/include/binder/ActivityManager.h
index 397382f..3090cae 100644
--- a/libs/binder/include/binder/ActivityManager.h
+++ b/libs/binder/include/binder/ActivityManager.h
@@ -50,6 +50,7 @@
const int32_t cutpoint,
const String16& callingPackage);
void unregisterUidObserver(const sp<IUidObserver>& observer);
+ bool isUidActive(const uid_t uid, const String16& callingPackage);
status_t linkToDeath(const sp<IBinder::DeathRecipient>& recipient);
status_t unlinkToDeath(const sp<IBinder::DeathRecipient>& recipient);
diff --git a/libs/binder/include/binder/IActivityManager.h b/libs/binder/include/binder/IActivityManager.h
index bac2a99..6607c0e 100644
--- a/libs/binder/include/binder/IActivityManager.h
+++ b/libs/binder/include/binder/IActivityManager.h
@@ -35,11 +35,13 @@
const int32_t cutpoint,
const String16& callingPackage) = 0;
virtual void unregisterUidObserver(const sp<IUidObserver>& observer) = 0;
+ virtual bool isUidActive(const uid_t uid, const String16& callingPackage) = 0;
enum {
OPEN_CONTENT_URI_TRANSACTION = IBinder::FIRST_CALL_TRANSACTION,
REGISTER_UID_OBSERVER_TRANSACTION,
- UNREGISTER_UID_OBSERVER_TRANSACTION
+ UNREGISTER_UID_OBSERVER_TRANSACTION,
+ IS_UID_ACTIVE_TRANSACTION
};
};