Merge "libbinder: add tests for single-threaded and no-kernel-binder" am: 81cca30c14 am: 801138090e (d70bbe85) · Commits · e / os / android_frameworks_native

libs/binder/Android.bp

+117 −57

Original line number	Diff line number	Diff line
		@@ -70,21 +70,9 @@ filegroup {
		],
		}

		cc_library {
		name: "libbinder",

		version_script: "libbinder.map",

		// for vndbinder
		vendor_available: true,
		vndk: {
		enabled: true,
		},
		recovery_available: true,
		double_loadable: true,
		cc_defaults {
		name: "libbinder_defaults",
		host_supported: true,
		// TODO(b/153609531): remove when no longer needed.
		native_bridge_supported: true,

		// TODO(b/31559095): get headers from bionic on host
		include_dirs: [
		@@ -92,73 +80,32 @@ cc_library {
		"bionic/libc/kernel/uapi/",
		],

		// libbinder does not offer a stable wire protocol.
		// if a second copy of it is installed, then it may break after security
		// or dessert updates. Instead, apex users should use libbinder_ndk.
		apex_available: [
		"//apex_available:platform",
		],

		srcs: [
		"Binder.cpp",
		"BpBinder.cpp",
		"BufferedTextOutput.cpp",
		"Debug.cpp",
		"FdTrigger.cpp",
		"IInterface.cpp",
		"IMemory.cpp",
		"IPCThreadState.cpp",
		"IResultReceiver.cpp",
		"IServiceManager.cpp",
		"IShellCallback.cpp",
		"LazyServiceRegistrar.cpp",
		"MemoryBase.cpp",
		"MemoryDealer.cpp",
		"MemoryHeapBase.cpp",
		"Parcel.cpp",
		"ParcelableHolder.cpp",
		"ParcelFileDescriptor.cpp",
		"PersistableBundle.cpp",
		"ProcessState.cpp",
		"RpcSession.cpp",
		"RpcServer.cpp",
		"RpcState.cpp",
		"RpcTransportRaw.cpp",
		"Static.cpp",
		"Stability.cpp",
		"Status.cpp",
		"TextOutput.cpp",
		"Utils.cpp",
		":libbinder_aidl",
		":libbinder_device_interface_sources",
		],

		target: {
		android: {
		// NOT static to keep the wire protocol unfrozen
		static: {
		enabled: false,
		},
		},
		vendor: {
		exclude_srcs: [
		":libbinder_device_interface_sources",
		],
		},
		darwin: {
		enabled: false,
		},
		host: {
		srcs: [
		"ServiceManagerHost.cpp",
		"UtilsHost.cpp",
		],
		},
		recovery: {
		exclude_header_libs: [
		"libandroid_runtime_vm_headers",
		],
		},
		},

		aidl: {
		@@ -166,7 +113,6 @@ cc_library {
		},

		cflags: [
		"-Wall",
		"-Wextra",
		"-Wextra-semi",
		"-Werror",
		@@ -174,7 +120,6 @@ cc_library {
		"-Wreorder-init-list",
		"-DANDROID_BASE_UNIQUE_FD_DISABLE_IMPLICIT_CONVERSION",
		"-DANDROID_UTILS_REF_BASE_DISABLE_IMPLICIT_CONSTRUCTION",
		"-DBINDER_WITH_KERNEL_IPC",
		],
		product_variables: {
		binder32bit: {
		@@ -230,6 +175,88 @@ cc_library {
		"performance*",
		"portability*",
		],
		}

		cc_defaults {
		name: "libbinder_kernel_defaults",
		srcs: [
		"BufferedTextOutput.cpp",
		"IPCThreadState.cpp",
		"IServiceManager.cpp",
		"ProcessState.cpp",
		"Static.cpp",
		":libbinder_aidl",
		":libbinder_device_interface_sources",
		],
		target: {
		vendor: {
		exclude_srcs: [
		":libbinder_device_interface_sources",
		],
		},
		host: {
		srcs: [
		"ServiceManagerHost.cpp",
		],
		},
		},
		cflags: [
		"-DBINDER_WITH_KERNEL_IPC",
		],
		}

		cc_library {
		name: "libbinder",
		defaults: [
		"libbinder_defaults",
		"libbinder_kernel_defaults",
		],

		version_script: "libbinder.map",

		// for vndbinder
		vendor_available: true,
		vndk: {
		enabled: true,
		},
		recovery_available: true,
		double_loadable: true,
		// TODO(b/153609531): remove when no longer needed.
		native_bridge_supported: true,

		// libbinder does not offer a stable wire protocol.
		// if a second copy of it is installed, then it may break after security
		// or dessert updates. Instead, apex users should use libbinder_ndk.
		apex_available: [
		"//apex_available:platform",
		],

		srcs: [
		"IMemory.cpp",
		"LazyServiceRegistrar.cpp",
		"MemoryBase.cpp",
		"MemoryDealer.cpp",
		"MemoryHeapBase.cpp",
		"ParcelableHolder.cpp",
		"PersistableBundle.cpp",
		],

		target: {
		android: {
		// NOT static to keep the wire protocol unfrozen
		static: {
		enabled: false,
		},
		},
		darwin: {
		enabled: false,
		},
		recovery: {
		exclude_header_libs: [
		"libandroid_runtime_vm_headers",
		],
		},
		},

		afdo: true,

		@@ -238,6 +265,39 @@ cc_library {
		},
		}

		cc_library_static {
		name: "libbinder_rpc_no_kernel",
		defaults: ["libbinder_defaults"],
		visibility: [
		":__subpackages__",
		],
		}

		cc_library_static {
		name: "libbinder_rpc_single_threaded",
		defaults: [
		"libbinder_defaults",
		"libbinder_kernel_defaults",
		],
		cflags: [
		"-DBINDER_RPC_SINGLE_THREADED",
		],
		visibility: [
		":__subpackages__",
		],
		}

		cc_library_static {
		name: "libbinder_rpc_single_threaded_no_kernel",
		defaults: ["libbinder_defaults"],
		cflags: [
		"-DBINDER_RPC_SINGLE_THREADED",
		],
		visibility: [
		":__subpackages__",
		],
		}

		cc_defaults {
		name: "libbinder_tls_shared_deps",
		shared_libs: [

libs/binder/TEST_MAPPING

+9 −0

Original line number	Diff line number	Diff line
		@@ -84,6 +84,15 @@
		"presubmit-large": [
		{
		"name": "binderRpcTest"
		},
		{
		"name": "binderRpcTestNoKernel"
		},
		{
		"name": "binderRpcTestSingleThreaded"
		},
		{
		"name": "binderRpcTestSingleThreadedNoKernel"
		}
		],
		"hwasan-presubmit": [

libs/binder/tests/Android.bp

+85 −10

Original line number	Diff line number	Diff line
		@@ -167,7 +167,6 @@ cc_library_static {
		"libbinder_tls_shared_deps",
		],
		shared_libs: [
		"libbinder",
		"libbase",
		"liblog",
		],
		@@ -185,8 +184,8 @@ cc_library_static {
		],
		}

		cc_test {
		name: "binderRpcTest",
		cc_defaults {
		name: "binderRpcTest_defaults",
		host_supported: true,
		target: {
		darwin: {
		@@ -198,12 +197,34 @@ cc_test {
		},
		defaults: [
		"binder_test_defaults",
		"libbinder_tls_shared_deps",
		],

		srcs: [
		"binderRpcTest.cpp",
		],

		static_libs: [
		"libbinder_tls_static",
		"libbinder_tls_test_utils",
		"binderRpcTestIface-cpp",
		"binderRpcTestIface-ndk",
		],

		test_suites: ["general-tests"],
		require_root: true,
		}

		cc_test {
		name: "binderRpcTest",
		defaults: [
		"binderRpcTest_defaults",
		"libbinder_tls_shared_deps",
		],

		cflags: [
		"-DBINDER_WITH_KERNEL_IPC",
		],

		shared_libs: [
		"libbinder",
		"libbinder_ndk",
		@@ -212,14 +233,68 @@ cc_test {
		"libcutils",
		"liblog",
		],
		}

		cc_defaults {
		name: "binderRpcTest_static_defaults",

		shared_libs: [
		"libutils",
		// libcrypto_static is not visible to this module
		"libcrypto",
		],
		static_libs: [
		"libbinder_tls_static",
		"libbinder_tls_test_utils",
		"binderRpcTestIface-cpp",
		"binderRpcTestIface-ndk",
		"libbase",
		"libcutils",
		"liblog",
		"libssl",
		],

		cflags: [
		// Disable tests that require shared libraries,
		// e.g., libbinder.so or libbinder_ndk.so
		"-DBINDER_TEST_NO_SHARED_LIBS",
		],
		}

		cc_test {
		name: "binderRpcTestNoKernel",
		defaults: [
		"binderRpcTest_defaults",
		"binderRpcTest_static_defaults",
		],
		static_libs: [
		"libbinder_rpc_no_kernel",
		],
		}

		cc_test {
		name: "binderRpcTestSingleThreaded",
		defaults: [
		"binderRpcTest_defaults",
		"binderRpcTest_static_defaults",
		],
		cflags: [
		"-DBINDER_RPC_SINGLE_THREADED",
		"-DBINDER_WITH_KERNEL_IPC",
		],
		static_libs: [
		"libbinder_rpc_single_threaded",
		],
		}

		cc_test {
		name: "binderRpcTestSingleThreadedNoKernel",
		defaults: [
		"binderRpcTest_defaults",
		"binderRpcTest_static_defaults",
		],
		cflags: [
		"-DBINDER_RPC_SINGLE_THREADED",
		],
		static_libs: [
		"libbinder_rpc_single_threaded_no_kernel",
		],
		test_suites: ["general-tests"],
		require_root: true,
		}

		cc_test {

libs/binder/tests/binderRpcTest.cpp

+99 −22

Original line number	Diff line number	Diff line
		@@ -33,6 +33,7 @@
		#include <binder/ProcessState.h>
		#include <binder/RpcServer.h>
		#include <binder/RpcSession.h>
		#include <binder/RpcThreads.h>
		#include <binder/RpcTlsTestUtils.h>
		#include <binder/RpcTlsUtils.h>
		#include <binder/RpcTransport.h>
		@@ -51,6 +52,7 @@
		#include <sys/socket.h>
		#include <unistd.h>

		#include "../BuildFlags.h"
		#include "../FdTrigger.h"
		#include "../RpcSocketAddress.h" // for testing preconnected clients
		#include "../RpcState.h" // for debugging
		@@ -65,6 +67,12 @@ using testing::AssertionSuccess;

		namespace android {

		#ifdef BINDER_TEST_NO_SHARED_LIBS
		constexpr bool kEnableSharedLibs = false;
		#else
		constexpr bool kEnableSharedLibs = true;
		#endif

		static_assert(RPC_WIRE_PROTOCOL_VERSION + 1 == RPC_WIRE_PROTOCOL_VERSION_NEXT \|\|
		RPC_WIRE_PROTOCOL_VERSION == RPC_WIRE_PROTOCOL_VERSION_EXPERIMENTAL);
		const char* kLocalInetAddress = "127.0.0.1";
		@@ -99,7 +107,7 @@ static inline std::unique_ptr<RpcTransportCtxFactory> newFactory(
		static base::unique_fd mockFileDescriptor(std::string contents) {
		android::base::unique_fd readFd, writeFd;
		CHECK(android::base::Pipe(&readFd, &writeFd)) << strerror(errno);
		std::thread([writeFd = std::move(writeFd), contents = std::move(contents)]() {
		RpcMaybeThread([writeFd = std::move(writeFd), contents = std::move(contents)]() {
		signal(SIGPIPE, SIG_IGN); // ignore possible SIGPIPE from the write
		if (!WriteStringToFd(contents, writeFd)) {
		int savedErrno = errno;
		@@ -177,7 +185,7 @@ std::atomic<int32_t> MyBinderRpcSession::gNum;

		class MyBinderRpcCallback : public BnBinderRpcCallback {
		Status sendCallback(const std::string& value) {
		std::unique_lock _l(mMutex);
		RpcMutexUniqueLock _l(mMutex);
		mValues.push_back(value);
		_l.unlock();
		mCv.notify_one();
		@@ -186,8 +194,8 @@ class MyBinderRpcCallback : public BnBinderRpcCallback {
		Status sendOnewayCallback(const std::string& value) { return sendCallback(value); }

		public:
		std::mutex mMutex;
		std::condition_variable mCv;
		RpcMutex mMutex;
		RpcConditionVariable mCv;
		std::vector<std::string> mValues;
		};

		@@ -263,7 +271,7 @@ public:
		return Status::ok();
		}

		std::mutex blockMutex;
		RpcMutex blockMutex;
		Status lock() override {
		blockMutex.lock();
		return Status::ok();
		@@ -274,7 +282,7 @@ public:
		return Status::ok();
		}
		Status lockUnlock() override {
		std::lock_guard<std::mutex> _l(blockMutex);
		RpcMutexLockGuard _l(blockMutex);
		return Status::ok();
		}

		@@ -300,7 +308,7 @@ public:
		}

		if (delayed) {
		std::thread([=]() {
		RpcMaybeThread([=]() {
		ALOGE("Executing delayed callback: '%s'", value.c_str());
		Status status = doCallback(callback, oneway, false, value);
		ALOGE("Delayed callback status: '%s'", status.toString8().c_str());
		@@ -333,7 +341,7 @@ public:
		if (strongServer == nullptr) {
		return Status::fromExceptionCode(Status::EX_NULL_POINTER);
		}
		std::thread([=] {
		RpcMaybeThread([=] {
		LOG_ALWAYS_FATAL_IF(!strongServer->shutdown(), "Could not shutdown");
		}).detach();
		return Status::ok();
		@@ -343,7 +351,9 @@ public:
		// this is WRONG! It does not make sense when using RPC binder, and
		// because it is SO wrong, and so much code calls this, it should abort!

		if constexpr (kEnableKernelIpc) {
		(void)IPCThreadState::self()->getCallingPid();
		}
		return Status::ok();
		}

		@@ -796,6 +806,18 @@ public:
		size_t sleepMs = 500);
		};

		// Test fixture for tests that start multiple threads.
		// This includes tests with one thread but multiple sessions,
		// since a server uses one thread per session.
		class BinderRpcThreads : public BinderRpc {
		public:
		void SetUp() override {
		if constexpr (!kEnableRpcThreads) {
		GTEST_SKIP() << "Test skipped because threads were disabled at build time";
		}
		}
		};

		TEST_P(BinderRpc, Ping) {
		auto proc = createRpcTestSocketServerProcess({});
		ASSERT_NE(proc.rootBinder, nullptr);
		@@ -808,7 +830,7 @@ TEST_P(BinderRpc, GetInterfaceDescriptor) {
		EXPECT_EQ(IBinderRpcTest::descriptor, proc.rootBinder->getInterfaceDescriptor());
		}

		TEST_P(BinderRpc, MultipleSessions) {
		TEST_P(BinderRpcThreads, MultipleSessions) {
		auto proc = createRpcTestSocketServerProcess({.numThreads = 1, .numSessions = 5});
		for (auto session : proc.proc.sessions) {
		ASSERT_NE(nullptr, session.root);
		@@ -816,7 +838,7 @@ TEST_P(BinderRpc, MultipleSessions) {
		}
		}

		TEST_P(BinderRpc, SeparateRootObject) {
		TEST_P(BinderRpcThreads, SeparateRootObject) {
		SocketType type = std::get<0>(GetParam());
		if (type == SocketType::PRECONNECTED \|\| type == SocketType::UNIX) {
		// we can't get port numbers for unix sockets
		@@ -999,7 +1021,7 @@ TEST_P(BinderRpc, CannotMixBindersBetweenUnrelatedSocketSessions) {
		proc1.rootIface->repeatBinder(proc2.rootBinder, &outBinder).transactionError());
		}

		TEST_P(BinderRpc, CannotMixBindersBetweenTwoSessionsToTheSameServer) {
		TEST_P(BinderRpcThreads, CannotMixBindersBetweenTwoSessionsToTheSameServer) {
		auto proc = createRpcTestSocketServerProcess({.numThreads = 1, .numSessions = 2});

		sp<IBinder> outBinder;
		@@ -1009,6 +1031,11 @@ TEST_P(BinderRpc, CannotMixBindersBetweenTwoSessionsToTheSameServer) {
		}

		TEST_P(BinderRpc, CannotSendRegularBinderOverSocketBinder) {
		if constexpr (!kEnableKernelIpc) {
		GTEST_SKIP() << "Test disabled because Binder kernel driver was disabled "
		"at build time.";
		}

		auto proc = createRpcTestSocketServerProcess({});

		sp<IBinder> someRealBinder = IInterface::asBinder(defaultServiceManager());
		@@ -1018,6 +1045,11 @@ TEST_P(BinderRpc, CannotSendRegularBinderOverSocketBinder) {
		}

		TEST_P(BinderRpc, CannotSendSocketBinderOverRegularBinder) {
		if constexpr (!kEnableKernelIpc) {
		GTEST_SKIP() << "Test disabled because Binder kernel driver was disabled "
		"at build time.";
		}

		auto proc = createRpcTestSocketServerProcess({});

		// for historical reasons, IServiceManager interface only returns the
		@@ -1145,7 +1177,7 @@ size_t epochMillis() {
		return duration_cast<milliseconds>(system_clock::now().time_since_epoch()).count();
		}

		TEST_P(BinderRpc, ThreadPoolGreaterThanEqualRequested) {
		TEST_P(BinderRpcThreads, ThreadPoolGreaterThanEqualRequested) {
		constexpr size_t kNumThreads = 10;

		auto proc = createRpcTestSocketServerProcess({.numThreads = kNumThreads});
		@@ -1196,14 +1228,14 @@ void BinderRpc::testThreadPoolOverSaturated(sp<IBinderRpcTest> iface, size_t num
		EXPECT_LE(epochMsAfter, epochMsBefore + 3 * sleepMs);
		}

		TEST_P(BinderRpc, ThreadPoolOverSaturated) {
		TEST_P(BinderRpcThreads, ThreadPoolOverSaturated) {
		constexpr size_t kNumThreads = 10;
		constexpr size_t kNumCalls = kNumThreads + 3;
		auto proc = createRpcTestSocketServerProcess({.numThreads = kNumThreads});
		testThreadPoolOverSaturated(proc.rootIface, kNumCalls);
		}

		TEST_P(BinderRpc, ThreadPoolLimitOutgoing) {
		TEST_P(BinderRpcThreads, ThreadPoolLimitOutgoing) {
		constexpr size_t kNumThreads = 20;
		constexpr size_t kNumOutgoingConnections = 10;
		constexpr size_t kNumCalls = kNumOutgoingConnections + 3;
		@@ -1212,7 +1244,7 @@ TEST_P(BinderRpc, ThreadPoolLimitOutgoing) {
		testThreadPoolOverSaturated(proc.rootIface, kNumCalls);
		}

		TEST_P(BinderRpc, ThreadingStressTest) {
		TEST_P(BinderRpcThreads, ThreadingStressTest) {
		constexpr size_t kNumClientThreads = 10;
		constexpr size_t kNumServerThreads = 10;
		constexpr size_t kNumCalls = 100;
		@@ -1241,7 +1273,7 @@ static void saturateThreadPool(size_t threadCount, const sp<IBinderRpcTest>& ifa
		for (auto& t : threads) t.join();
		}

		TEST_P(BinderRpc, OnewayStressTest) {
		TEST_P(BinderRpcThreads, OnewayStressTest) {
		constexpr size_t kNumClientThreads = 10;
		constexpr size_t kNumServerThreads = 10;
		constexpr size_t kNumCalls = 1000;
		@@ -1276,7 +1308,7 @@ TEST_P(BinderRpc, OnewayCallDoesNotWait) {
		EXPECT_LT(epochMsAfter, epochMsBefore + kReallyLongTimeMs);
		}

		TEST_P(BinderRpc, OnewayCallQueueing) {
		TEST_P(BinderRpcThreads, OnewayCallQueueing) {
		constexpr size_t kNumSleeps = 10;
		constexpr size_t kNumExtraServerThreads = 4;
		constexpr size_t kSleepMs = 50;
		@@ -1305,7 +1337,7 @@ TEST_P(BinderRpc, OnewayCallQueueing) {
		saturateThreadPool(1 + kNumExtraServerThreads, proc.rootIface);
		}

		TEST_P(BinderRpc, OnewayCallExhaustion) {
		TEST_P(BinderRpcThreads, OnewayCallExhaustion) {
		constexpr size_t kNumClients = 2;
		constexpr size_t kTooLongMs = 1000;

		@@ -1351,8 +1383,15 @@ TEST_P(BinderRpc, Callbacks) {
		for (bool callIsOneway : {true, false}) {
		for (bool callbackIsOneway : {true, false}) {
		for (bool delayed : {true, false}) {
		if (!kEnableRpcThreads && (callIsOneway \|\| callbackIsOneway \|\| delayed)) {
		// we have no incoming connections to receive the callback
		continue;
		}

		auto proc = createRpcTestSocketServerProcess(
		{.numThreads = 1, .numSessions = 1, .numIncomingConnections = 1});
		{.numThreads = 1,
		.numSessions = 1,
		.numIncomingConnections = kEnableRpcThreads ? 1 : 0});
		auto cb = sp<MyBinderRpcCallback>::make();

		if (callIsOneway) {
		@@ -1368,7 +1407,7 @@ TEST_P(BinderRpc, Callbacks) {
		// the callback will be processed on another thread.
		if (callIsOneway \|\| callbackIsOneway \|\| delayed) {
		using std::literals::chrono_literals::operator""s;
		std::unique_lock<std::mutex> _l(cb->mMutex);
		RpcMutexUniqueLock _l(cb->mMutex);
		cb->mCv.wait_for(_l, 1s, [&] { return !cb->mValues.empty(); });
		}

		@@ -1434,6 +1473,11 @@ TEST_P(BinderRpc, Die) {
		}

		TEST_P(BinderRpc, UseKernelBinderCallingId) {
		if constexpr (!kEnableKernelIpc) {
		GTEST_SKIP() << "Test disabled because Binder kernel driver was disabled "
		"at build time.";
		}

		bool okToFork = ProcessState::selfOrNull() == nullptr;

		auto proc = createRpcTestSocketServerProcess({});
		@@ -1597,6 +1641,10 @@ TEST_P(BinderRpc, SendTooManyFiles) {
		}

		TEST_P(BinderRpc, WorksWithLibbinderNdkPing) {
		if constexpr (!kEnableSharedLibs) {
		GTEST_SKIP() << "Test disabled because Binder was built as a static library";
		}

		auto proc = createRpcTestSocketServerProcess({});

		ndk::SpAIBinder binder = ndk::SpAIBinder(AIBinder_fromPlatformBinder(proc.rootBinder));
		@@ -1606,6 +1654,10 @@ TEST_P(BinderRpc, WorksWithLibbinderNdkPing) {
		}

		TEST_P(BinderRpc, WorksWithLibbinderNdkUserTransaction) {
		if constexpr (!kEnableSharedLibs) {
		GTEST_SKIP() << "Test disabled because Binder was built as a static library";
		}

		auto proc = createRpcTestSocketServerProcess({});

		ndk::SpAIBinder binder = ndk::SpAIBinder(AIBinder_fromPlatformBinder(proc.rootBinder));
		@@ -1630,7 +1682,7 @@ ssize_t countFds() {
		return ret;
		}

		TEST_P(BinderRpc, Fds) {
		TEST_P(BinderRpcThreads, Fds) {
		ssize_t beforeFds = countFds();
		ASSERT_GE(beforeFds, 0);
		{
		@@ -1769,6 +1821,13 @@ INSTANTIATE_TEST_CASE_P(PerSocket, BinderRpc,
		::testing::ValuesIn(testVersions())),
		BinderRpc::PrintParamInfo);

		INSTANTIATE_TEST_CASE_P(PerSocket, BinderRpcThreads,
		::testing::Combine(::testing::ValuesIn(testSocketTypes()),
		::testing::ValuesIn(RpcSecurityValues()),
		::testing::ValuesIn(testVersions()),
		::testing::ValuesIn(testVersions())),
		BinderRpc::PrintParamInfo);

		class BinderRpcServerRootObject
		: public ::testing::TestWithParam<std::tuple<bool, bool, RpcSecurity>> {};

		@@ -1821,6 +1880,10 @@ private:
		};

		TEST_P(BinderRpcServerOnly, Shutdown) {
		if constexpr (!kEnableRpcThreads) {
		GTEST_SKIP() << "Test skipped because threads were disabled at build time";
		}

		auto addr = allocateSocketAddress();
		auto server = RpcServer::make(newFactory(std::get<0>(GetParam())));
		server->setProtocolVersion(std::get<1>(GetParam()));
		@@ -1852,6 +1915,11 @@ TEST(BinderRpc, Java) {
		"createRpcDelegateServiceManager() with a device attached, such test belongs "
		"to binderHostDeviceTest. Hence, just disable this test on host.";
		#endif // !__ANDROID__
		if constexpr (!kEnableKernelIpc) {
		GTEST_SKIP() << "Test disabled because Binder kernel driver was disabled "
		"at build time.";
		}

		sp<IServiceManager> sm = defaultServiceManager();
		ASSERT_NE(nullptr, sm);
		// Any Java service with non-empty getInterfaceDescriptor() would do.
		@@ -2152,6 +2220,11 @@ public:
		(void)serverVersion;
		return RpcTransportTestUtils::trust(rpcSecurity, certificateFormat, a, b);
		}
		void SetUp() override {
		if constexpr (!kEnableRpcThreads) {
		GTEST_SKIP() << "Test skipped because threads were disabled at build time";
		}
		}
		};

		TEST_P(RpcTransportTest, GoodCertificate) {
		@@ -2356,6 +2429,10 @@ public:
		};

		TEST_P(RpcTransportTlsKeyTest, PreSignedCertificate) {
		if constexpr (!kEnableRpcThreads) {
		GTEST_SKIP() << "Test skipped because threads were disabled at build time";
		}

		auto [socketType, certificateFormat, keyFormat, serverVersion] = GetParam();

		std::vector<uint8_t> pkeyData, certData;