Merge changes I44a66c3b,Ieb3273f0 am: 8911d46baf (198b1d87) · Commits · e / os / android_frameworks_native

libs/binder/RpcConnection.cpp

+104 −54

Original line number	Diff line number	Diff line
		@@ -20,6 +20,7 @@

		#include <binder/Parcel.h>
		#include <binder/Stability.h>
		#include <utils/String8.h>

		#include "RpcState.h"
		#include "RpcWireFormat.h"
		@@ -29,14 +30,20 @@
		#include <sys/un.h>
		#include <unistd.h>

		#if defined(__GLIBC__)
		#ifdef __GLIBC__
		extern "C" pid_t gettid();
		#endif

		#ifdef __BIONIC__
		#include <linux/vm_sockets.h>
		#endif

		namespace android {

		using base::unique_fd;

		RpcConnection::SocketAddress::~SocketAddress() {}

		RpcConnection::RpcConnection() {
		LOG_RPC_DETAIL("RpcConnection created %p", this);

		@@ -50,65 +57,68 @@ sp<RpcConnection> RpcConnection::make() {
		return new RpcConnection;
		}

		bool RpcConnection::setupUnixDomainServer(const char* path) {
		LOG_ALWAYS_FATAL_IF(mServer.get() != -1, "Only supports one server now");

		unique_fd serverFd(TEMP_FAILURE_RETRY(socket(AF_UNIX, SOCK_STREAM \| SOCK_CLOEXEC, 0)));
		if (serverFd == -1) {
		ALOGE("Could not create socket at %s: %s", path, strerror(errno));
		return false;
		class UnixSocketAddress : public RpcConnection::SocketAddress {
		public:
		explicit UnixSocketAddress(const char* path) : mAddr({.sun_family = AF_UNIX}) {
		unsigned int pathLen = strlen(path) + 1;
		LOG_ALWAYS_FATAL_IF(pathLen > sizeof(mAddr.sun_path), "%u %s", pathLen, path);
		memcpy(mAddr.sun_path, path, pathLen);
		}
		virtual ~UnixSocketAddress() {}
		std::string toString() const override {
		return String8::format("path '%.*s'", static_cast<int>(sizeof(mAddr.sun_path)),
		mAddr.sun_path)
		.c_str();
		}
		const sockaddr* addr() const override { return reinterpret_cast<const sockaddr*>(&mAddr); }
		size_t addrSize() const override { return sizeof(mAddr); }

		struct sockaddr_un addr = {
		.sun_family = AF_UNIX,
		private:
		sockaddr_un mAddr;
		};

		unsigned int pathLen = strlen(path) + 1;
		LOG_ALWAYS_FATAL_IF(pathLen > sizeof(addr.sun_path), "%u", pathLen);
		memcpy(addr.sun_path, path, pathLen);

		if (0 != TEMP_FAILURE_RETRY(bind(serverFd.get(), (struct sockaddr*)&addr, sizeof(addr)))) {
		ALOGE("Could not bind socket at %s: %s", path, strerror(errno));
		return false;
		}

		if (0 != TEMP_FAILURE_RETRY(listen(serverFd.get(), 1 /backlog/))) {
		ALOGE("Could not listen socket at %s: %s", path, strerror(errno));
		return false;
		bool RpcConnection::setupUnixDomainServer(const char* path) {
		return addServer(UnixSocketAddress(path));
		}

		mServer = std::move(serverFd);
		return true;
		bool RpcConnection::addUnixDomainClient(const char* path) {
		return addClient(UnixSocketAddress(path));
		}

		bool RpcConnection::addUnixDomainClient(const char* path) {
		LOG_RPC_DETAIL("Connecting on path: %s", path);
		#ifdef __BIONIC__

		unique_fd serverFd(TEMP_FAILURE_RETRY(socket(AF_UNIX, SOCK_STREAM \| SOCK_CLOEXEC, 0)));
		if (serverFd == -1) {
		ALOGE("Could not create socket at %s: %s", path, strerror(errno));
		return false;
		class VsockSocketAddress : public RpcConnection::SocketAddress {
		public:
		VsockSocketAddress(unsigned int cid, unsigned int port)
		: mAddr({
		.svm_family = AF_VSOCK,
		.svm_port = port,
		.svm_cid = cid,
		}) {}
		virtual ~VsockSocketAddress() {}
		std::string toString() const override {
		return String8::format("cid %du port %du", mAddr.svm_cid, mAddr.svm_port).c_str();
		}
		const sockaddr* addr() const override { return reinterpret_cast<const sockaddr*>(&mAddr); }
		size_t addrSize() const override { return sizeof(mAddr); }

		struct sockaddr_un addr = {
		.sun_family = AF_UNIX,
		private:
		sockaddr_vm mAddr;
		};

		unsigned int pathLen = strlen(path) + 1;
		LOG_ALWAYS_FATAL_IF(pathLen > sizeof(addr.sun_path), "%u", pathLen);
		memcpy(addr.sun_path, path, pathLen);
		bool RpcConnection::setupVsockServer(unsigned int port) {
		// realizing value w/ this type at compile time to avoid ubsan abort
		constexpr unsigned int kAnyCid = VMADDR_CID_ANY;

		if (0 != TEMP_FAILURE_RETRY(connect(serverFd.get(), (struct sockaddr*)&addr, sizeof(addr)))) {
		ALOGE("Could not connect socket at %s: %s", path, strerror(errno));
		return false;
		return addServer(VsockSocketAddress(kAnyCid, port));
		}

		LOG_RPC_DETAIL("Unix domain client with fd %d", serverFd.get());

		addClient(std::move(serverFd));
		return true;
		bool RpcConnection::addVsockClient(unsigned int cid, unsigned int port) {
		return addClient(VsockSocketAddress(cid, port));
		}

		#endif // __BIONIC__

		sp<IBinder> RpcConnection::getRootObject() {
		ExclusiveSocket socket(this, SocketUse::CLIENT);
		return state()->getRootObject(socket.fd(), this);
		@@ -130,11 +140,8 @@ status_t RpcConnection::sendDecStrong(const RpcAddress& address) {
		void RpcConnection::join() {
		// establish a connection
		{
		struct sockaddr_un clientSa;
		socklen_t clientSaLen = sizeof(clientSa);

		unique_fd clientFd(TEMP_FAILURE_RETRY(
		accept4(mServer.get(), (struct sockaddr*)&clientSa, &clientSaLen, SOCK_CLOEXEC)));
		unique_fd clientFd(
		TEMP_FAILURE_RETRY(accept4(mServer.get(), nullptr, 0 /length/, SOCK_CLOEXEC)));
		if (clientFd < 0) {
		// If this log becomes confusing, should save more state from setupUnixDomainServer
		// in order to output here.
		@@ -144,7 +151,7 @@ void RpcConnection::join() {

		LOG_RPC_DETAIL("accept4 on fd %d yields fd %d", mServer.get(), clientFd.get());

		addServer(std::move(clientFd));
		assignServerToThisThread(std::move(clientFd));
		}

		// We may not use the connection we just established (two threads might
		@@ -170,14 +177,57 @@ wp<RpcServer> RpcConnection::server() {
		return mForServer;
		}

		void RpcConnection::addClient(base::unique_fd&& fd) {
		bool RpcConnection::addServer(const SocketAddress& addr) {
		LOG_ALWAYS_FATAL_IF(mServer.get() != -1, "Each RpcConnection can only have one server.");

		unique_fd serverFd(
		TEMP_FAILURE_RETRY(socket(addr.addr()->sa_family, SOCK_STREAM \| SOCK_CLOEXEC, 0)));
		if (serverFd == -1) {
		ALOGE("Could not create socket: %s", strerror(errno));
		return false;
		}

		if (0 != TEMP_FAILURE_RETRY(bind(serverFd.get(), addr.addr(), addr.addrSize()))) {
		int savedErrno = errno;
		ALOGE("Could not bind socket at %s: %s", addr.toString().c_str(), strerror(savedErrno));
		return false;
		}

		if (0 != TEMP_FAILURE_RETRY(listen(serverFd.get(), 1 /backlog/))) {
		int savedErrno = errno;
		ALOGE("Could not listen socket at %s: %s", addr.toString().c_str(), strerror(savedErrno));
		return false;
		}

		mServer = std::move(serverFd);
		return true;
		}

		bool RpcConnection::addClient(const SocketAddress& addr) {
		unique_fd serverFd(
		TEMP_FAILURE_RETRY(socket(addr.addr()->sa_family, SOCK_STREAM \| SOCK_CLOEXEC, 0)));
		if (serverFd == -1) {
		int savedErrno = errno;
		ALOGE("Could not create socket at %s: %s", addr.toString().c_str(), strerror(savedErrno));
		return false;
		}

		if (0 != TEMP_FAILURE_RETRY(connect(serverFd.get(), addr.addr(), addr.addrSize()))) {
		int savedErrno = errno;
		ALOGE("Could not connect socket at %s: %s", addr.toString().c_str(), strerror(savedErrno));
		return false;
		}

		LOG_RPC_DETAIL("Socket at %s client with fd %d", addr.toString().c_str(), serverFd.get());

		std::lock_guard<std::mutex> _l(mSocketMutex);
		sp<ConnectionSocket> connection = new ConnectionSocket();
		connection->fd = std::move(fd);
		connection->fd = std::move(serverFd);
		mClients.push_back(connection);
		return true;
		}

		void RpcConnection::addServer(base::unique_fd&& fd) {
		void RpcConnection::assignServerToThisThread(base::unique_fd&& fd) {
		std::lock_guard<std::mutex> _l(mSocketMutex);
		sp<ConnectionSocket> connection = new ConnectionSocket();
		connection->fd = std::move(fd);

libs/binder/include/binder/RpcConnection.h

+23 −2

Original line number	Diff line number	Diff line
		@@ -61,6 +61,18 @@ public:
		*/
		[[nodiscard]] bool addUnixDomainClient(const char* path);

		#ifdef __BIONIC__
		/**
		* Creates an RPC server at the current port.
		*/
		[[nodiscard]] bool setupVsockServer(unsigned int port);

		/**
		* Connects to an RPC server at the CVD & port.
		*/
		[[nodiscard]] bool addVsockClient(unsigned int cvd, unsigned int port);
		#endif // __BIONIC__

		/**
		* Query the other side of the connection for the root object hosted by that
		* process's RpcServer (if one exists)
		@@ -85,11 +97,20 @@ public:
		// internal only
		const std::unique_ptr<RpcState>& state() { return mState; }

		class SocketAddress {
		public:
		virtual ~SocketAddress();
		virtual std::string toString() const = 0;
		virtual const sockaddr* addr() const = 0;
		virtual size_t addrSize() const = 0;
		};

		private:
		RpcConnection();

		void addServer(base::unique_fd&& fd);
		void addClient(base::unique_fd&& fd);
		bool addServer(const SocketAddress& address);
		bool addClient(const SocketAddress& address);
		void assignServerToThisThread(base::unique_fd&& fd);

		struct ConnectionSocket : public RefBase {
		base::unique_fd fd;

libs/binder/tests/Android.bp

+6 −0

Original line number	Diff line number	Diff line
		@@ -106,6 +106,12 @@ cc_test {

		cc_test {
		name: "binderRpcTest",
		host_supported: true,
		target: {
		darwin: {
		enabled: false,
		},
		},
		defaults: ["binder_test_defaults"],

		srcs: [

libs/binder/tests/binderRpcTest.cpp

+171 −109

Original line number	Diff line number	Diff line
		@@ -14,14 +14,6 @@
		* limitations under the License.
		*/

		#include <sys/prctl.h>
		#include <unistd.h>

		#include <chrono>
		#include <cstdlib>
		#include <iostream>
		#include <thread>

		#include <BnBinderRpcSession.h>
		#include <BnBinderRpcTest.h>
		#include <android-base/logging.h>
		@@ -33,6 +25,18 @@
		#include <binder/RpcServer.h>
		#include <gtest/gtest.h>

		#include <chrono>
		#include <cstdlib>
		#include <iostream>
		#include <thread>

		#ifdef __BIONIC__
		#include <linux/vm_sockets.h>
		#endif //__BIONIC__

		#include <sys/prctl.h>
		#include <unistd.h>

		#include "../RpcState.h" // for debugging

		namespace android {
		@@ -185,8 +189,13 @@ private:

		static std::string allocateSocketAddress() {
		static size_t id = 0;
		static bool gUseTmp = access("/tmp/", F_OK) != -1;

		if (gUseTmp) {
		return "/tmp/binderRpcTest_" + std::to_string(id++);
		} else {
		return "/dev/binderRpcTest_" + std::to_string(id++);
		}
		};

		struct ProcessConnection {
		@@ -214,6 +223,51 @@ struct ProcessConnection {
		}
		};

		// Process connection where the process hosts IBinderRpcTest, the server used
		// for most testing here
		struct BinderRpcTestProcessConnection {
		ProcessConnection proc;

		// pre-fetched root object
		sp<IBinder> rootBinder;

		// pre-casted root object
		sp<IBinderRpcTest> rootIface;

		~BinderRpcTestProcessConnection() {
		if (!proc.expectInvalid) {
		int32_t remoteBinders = 0;
		EXPECT_OK(rootIface->countBinders(&remoteBinders));
		// should only be the root binder object, iface
		EXPECT_EQ(remoteBinders, 1);
		}

		rootIface = nullptr;
		rootBinder = nullptr;
		}
		};

		enum class SocketType {
		UNIX,
		#ifdef __BIONIC__
		VSOCK,
		#endif // __BIONIC__
		};
		static inline std::string PrintSocketType(const testing::TestParamInfo<SocketType>& info) {
		switch (info.param) {
		case SocketType::UNIX:
		return "unix_domain_socket";
		#ifdef __BIONIC__
		case SocketType::VSOCK:
		return "vm_socket";
		#endif // __BIONIC__
		default:
		LOG_ALWAYS_FATAL("Unknown socket type");
		return "";
		}
		}
		class BinderRpc : public ::testing::TestWithParam<SocketType> {
		public:
		// This creates a new process serving an interface on a certain number of
		// threads.
		ProcessConnection createRpcTestSocketServerProcess(
		@@ -221,8 +275,12 @@ ProcessConnection createRpcTestSocketServerProcess(
		const std::function<void(const sp<RpcServer>&, const sp<RpcConnection>&)>& configure) {
		CHECK_GT(numThreads, 0);

		SocketType socketType = GetParam();

		std::string addr = allocateSocketAddress();
		unlink(addr.c_str());
		static unsigned int port = 3456;
		port++;

		auto ret = ProcessConnection{
		.host = Process([&] {
		@@ -232,7 +290,19 @@ ProcessConnection createRpcTestSocketServerProcess(

		// server supporting one client on one socket
		sp<RpcConnection> connection = server->addClientConnection();

		switch (socketType) {
		case SocketType::UNIX:
		CHECK(connection->setupUnixDomainServer(addr.c_str())) << addr;
		break;
		#ifdef __BIONIC__
		case SocketType::VSOCK:
		CHECK(connection->setupVsockServer(port));
		break;
		#endif // __BIONIC__
		default:
		LOG_ALWAYS_FATAL("Unknown socket type");
		}

		configure(server, connection);

		@@ -247,48 +317,30 @@ ProcessConnection createRpcTestSocketServerProcess(
		.connection = RpcConnection::make(),
		};

		// wait up to 1s for sockets to be created
		constexpr useconds_t kMaxWaitUs = 1000000;
		constexpr useconds_t kWaitDivision = 100;
		for (size_t i = 0; i < kWaitDivision && 0 != access(addr.c_str(), F_OK); i++) {
		usleep(kMaxWaitUs / kWaitDivision);
		}

		// create remainder of connections
		for (size_t i = 0; i < numThreads; i++) {
		// Connection refused sometimes after file created but before listening.
		CHECK(ret.connection->addUnixDomainClient(addr.c_str()) \|\|
		(usleep(10000), ret.connection->addUnixDomainClient(addr.c_str())))
		<< i;
		for (size_t tries = 0; tries < 5; tries++) {
		usleep(10000);
		switch (socketType) {
		case SocketType::UNIX:
		if (ret.connection->addUnixDomainClient(addr.c_str())) goto success;
		break;
		#ifdef __BIONIC__
		case SocketType::VSOCK:
		if (ret.connection->addVsockClient(VMADDR_CID_LOCAL, port)) goto success;
		break;
		#endif // __BIONIC__
		default:
		LOG_ALWAYS_FATAL("Unknown socket type");
		}

		ret.rootBinder = ret.connection->getRootObject();
		return ret;
		}

		// Process connection where the process hosts IBinderRpcTest, the server used
		// for most testing here
		struct BinderRpcTestProcessConnection {
		ProcessConnection proc;

		// pre-fetched root object
		sp<IBinder> rootBinder;

		// pre-casted root object
		sp<IBinderRpcTest> rootIface;

		~BinderRpcTestProcessConnection() {
		if (!proc.expectInvalid) {
		int32_t remoteBinders = 0;
		EXPECT_OK(rootIface->countBinders(&remoteBinders));
		// should only be the root binder object, iface
		EXPECT_EQ(remoteBinders, 1);
		LOG_ALWAYS_FATAL("Could not connect");
		success:;
		}

		rootIface = nullptr;
		rootBinder = nullptr;
		ret.rootBinder = ret.connection->getRootObject();
		return ret;
		}
		};

		BinderRpcTestProcessConnection createRpcTestSocketServerProcess(size_t numThreads) {
		BinderRpcTestProcessConnection ret{
		@@ -308,8 +360,9 @@ BinderRpcTestProcessConnection createRpcTestSocketServerProcess(size_t numThread

		return ret;
		}
		};

		TEST(BinderRpc, RootObjectIsNull) {
		TEST_P(BinderRpc, RootObjectIsNull) {
		auto proc = createRpcTestSocketServerProcess(1,
		[](const sp<RpcServer>& server,
		const sp<RpcConnection>&) {
		@@ -324,20 +377,20 @@ TEST(BinderRpc, RootObjectIsNull) {
		EXPECT_EQ(nullptr, proc.connection->getRootObject());
		}

		TEST(BinderRpc, Ping) {
		TEST_P(BinderRpc, Ping) {
		auto proc = createRpcTestSocketServerProcess(1);
		ASSERT_NE(proc.rootBinder, nullptr);
		EXPECT_EQ(OK, proc.rootBinder->pingBinder());
		}

		TEST(BinderRpc, TransactionsMustBeMarkedRpc) {
		TEST_P(BinderRpc, TransactionsMustBeMarkedRpc) {
		auto proc = createRpcTestSocketServerProcess(1);
		Parcel data;
		Parcel reply;
		EXPECT_EQ(BAD_TYPE, proc.rootBinder->transact(IBinder::PING_TRANSACTION, data, &reply, 0));
		}

		TEST(BinderRpc, UnknownTransaction) {
		TEST_P(BinderRpc, UnknownTransaction) {
		auto proc = createRpcTestSocketServerProcess(1);
		Parcel data;
		data.markForBinder(proc.rootBinder);
		@@ -345,19 +398,19 @@ TEST(BinderRpc, UnknownTransaction) {
		EXPECT_EQ(UNKNOWN_TRANSACTION, proc.rootBinder->transact(1337, data, &reply, 0));
		}

		TEST(BinderRpc, SendSomethingOneway) {
		TEST_P(BinderRpc, SendSomethingOneway) {
		auto proc = createRpcTestSocketServerProcess(1);
		EXPECT_OK(proc.rootIface->sendString("asdf"));
		}

		TEST(BinderRpc, SendAndGetResultBack) {
		TEST_P(BinderRpc, SendAndGetResultBack) {
		auto proc = createRpcTestSocketServerProcess(1);
		std::string doubled;
		EXPECT_OK(proc.rootIface->doubleString("cool ", &doubled));
		EXPECT_EQ("cool cool ", doubled);
		}

		TEST(BinderRpc, SendAndGetResultBackBig) {
		TEST_P(BinderRpc, SendAndGetResultBackBig) {
		auto proc = createRpcTestSocketServerProcess(1);
		std::string single = std::string(1024, 'a');
		std::string doubled;
		@@ -365,7 +418,7 @@ TEST(BinderRpc, SendAndGetResultBackBig) {
		EXPECT_EQ(single + single, doubled);
		}

		TEST(BinderRpc, CallMeBack) {
		TEST_P(BinderRpc, CallMeBack) {
		auto proc = createRpcTestSocketServerProcess(1);

		int32_t pingResult;
		@@ -375,7 +428,7 @@ TEST(BinderRpc, CallMeBack) {
		EXPECT_EQ(0, MyBinderRpcSession::gNum);
		}

		TEST(BinderRpc, RepeatBinder) {
		TEST_P(BinderRpc, RepeatBinder) {
		auto proc = createRpcTestSocketServerProcess(1);

		sp<IBinder> inBinder = new MyBinderRpcSession("foo");
		@@ -397,7 +450,7 @@ TEST(BinderRpc, RepeatBinder) {
		EXPECT_EQ(0, MyBinderRpcSession::gNum);
		}

		TEST(BinderRpc, RepeatTheirBinder) {
		TEST_P(BinderRpc, RepeatTheirBinder) {
		auto proc = createRpcTestSocketServerProcess(1);

		sp<IBinderRpcSession> session;
		@@ -421,7 +474,7 @@ TEST(BinderRpc, RepeatTheirBinder) {
		EXPECT_EQ(nullptr, weak.promote());
		}

		TEST(BinderRpc, RepeatBinderNull) {
		TEST_P(BinderRpc, RepeatBinderNull) {
		auto proc = createRpcTestSocketServerProcess(1);

		sp<IBinder> outBinder;
		@@ -429,7 +482,7 @@ TEST(BinderRpc, RepeatBinderNull) {
		EXPECT_EQ(nullptr, outBinder);
		}

		TEST(BinderRpc, HoldBinder) {
		TEST_P(BinderRpc, HoldBinder) {
		auto proc = createRpcTestSocketServerProcess(1);

		IBinder* ptr = nullptr;
		@@ -455,7 +508,7 @@ TEST(BinderRpc, HoldBinder) {
		// These are behavioral differences form regular binder, where certain usecases
		// aren't supported.

		TEST(BinderRpc, CannotMixBindersBetweenUnrelatedSocketConnections) {
		TEST_P(BinderRpc, CannotMixBindersBetweenUnrelatedSocketConnections) {
		auto proc1 = createRpcTestSocketServerProcess(1);
		auto proc2 = createRpcTestSocketServerProcess(1);

		@@ -464,7 +517,7 @@ TEST(BinderRpc, CannotMixBindersBetweenUnrelatedSocketConnections) {
		proc1.rootIface->repeatBinder(proc2.rootBinder, &outBinder).transactionError());
		}

		TEST(BinderRpc, CannotSendRegularBinderOverSocketBinder) {
		TEST_P(BinderRpc, CannotSendRegularBinderOverSocketBinder) {
		auto proc = createRpcTestSocketServerProcess(1);

		sp<IBinder> someRealBinder = IInterface::asBinder(defaultServiceManager());
		@@ -473,7 +526,7 @@ TEST(BinderRpc, CannotSendRegularBinderOverSocketBinder) {
		proc.rootIface->repeatBinder(someRealBinder, &outBinder).transactionError());
		}

		TEST(BinderRpc, CannotSendSocketBinderOverRegularBinder) {
		TEST_P(BinderRpc, CannotSendSocketBinderOverRegularBinder) {
		auto proc = createRpcTestSocketServerProcess(1);

		// for historical reasons, IServiceManager interface only returns the
		@@ -484,7 +537,7 @@ TEST(BinderRpc, CannotSendSocketBinderOverRegularBinder) {

		// END TESTS FOR LIMITATIONS OF SOCKET BINDER

		TEST(BinderRpc, RepeatRootObject) {
		TEST_P(BinderRpc, RepeatRootObject) {
		auto proc = createRpcTestSocketServerProcess(1);

		sp<IBinder> outBinder;
		@@ -492,7 +545,7 @@ TEST(BinderRpc, RepeatRootObject) {
		EXPECT_EQ(proc.rootBinder, outBinder);
		}

		TEST(BinderRpc, NestedTransactions) {
		TEST_P(BinderRpc, NestedTransactions) {
		auto proc = createRpcTestSocketServerProcess(1);

		auto nastyNester = sp<MyBinderRpcTest>::make();
		@@ -503,7 +556,7 @@ TEST(BinderRpc, NestedTransactions) {
		EXPECT_EQ(nullptr, weak.promote());
		}

		TEST(BinderRpc, SameBinderEquality) {
		TEST_P(BinderRpc, SameBinderEquality) {
		auto proc = createRpcTestSocketServerProcess(1);

		sp<IBinder> a;
		@@ -515,7 +568,7 @@ TEST(BinderRpc, SameBinderEquality) {
		EXPECT_EQ(a, b);
		}

		TEST(BinderRpc, SameBinderEqualityWeak) {
		TEST_P(BinderRpc, SameBinderEqualityWeak) {
		auto proc = createRpcTestSocketServerProcess(1);

		sp<IBinder> a;
		@@ -547,7 +600,7 @@ TEST(BinderRpc, SameBinderEqualityWeak) {
		EXPECT_EQ(expected, session); \
		} while (false)

		TEST(BinderRpc, SingleSession) {
		TEST_P(BinderRpc, SingleSession) {
		auto proc = createRpcTestSocketServerProcess(1);

		sp<IBinderRpcSession> session;
		@@ -561,7 +614,7 @@ TEST(BinderRpc, SingleSession) {
		expectSessions(0, proc.rootIface);
		}

		TEST(BinderRpc, ManySessions) {
		TEST_P(BinderRpc, ManySessions) {
		auto proc = createRpcTestSocketServerProcess(1);

		std::vector<sp<IBinderRpcSession>> sessions;
		@@ -595,7 +648,7 @@ size_t epochMillis() {
		return duration_cast<milliseconds>(system_clock::now().time_since_epoch()).count();
		}

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

		auto proc = createRpcTestSocketServerProcess(kNumThreads);
		@@ -627,7 +680,7 @@ TEST(BinderRpc, ThreadPoolGreaterThanEqualRequested) {
		for (auto& t : ts) t.join();
		}

		TEST(BinderRpc, ThreadPoolOverSaturated) {
		TEST_P(BinderRpc, ThreadPoolOverSaturated) {
		constexpr size_t kNumThreads = 10;
		constexpr size_t kNumCalls = kNumThreads + 3;
		constexpr size_t kSleepMs = 500;
		@@ -651,7 +704,7 @@ TEST(BinderRpc, ThreadPoolOverSaturated) {
		EXPECT_LE(epochMsAfter, epochMsBefore + 3 * kSleepMs);
		}

		TEST(BinderRpc, ThreadingStressTest) {
		TEST_P(BinderRpc, ThreadingStressTest) {
		constexpr size_t kNumClientThreads = 10;
		constexpr size_t kNumServerThreads = 10;
		constexpr size_t kNumCalls = 100;
		@@ -672,7 +725,7 @@ TEST(BinderRpc, ThreadingStressTest) {
		for (auto& t : threads) t.join();
		}

		TEST(BinderRpc, OnewayCallDoesNotWait) {
		TEST_P(BinderRpc, OnewayCallDoesNotWait) {
		constexpr size_t kReallyLongTimeMs = 100;
		constexpr size_t kSleepMs = kReallyLongTimeMs * 5;

		@@ -687,7 +740,7 @@ TEST(BinderRpc, OnewayCallDoesNotWait) {
		EXPECT_LT(epochMsAfter, epochMsBefore + kReallyLongTimeMs);
		}

		TEST(BinderRpc, OnewayCallQueueing) {
		TEST_P(BinderRpc, OnewayCallQueueing) {
		constexpr size_t kNumSleeps = 10;
		constexpr size_t kNumExtraServerThreads = 4;
		constexpr size_t kSleepMs = 50;
		@@ -711,7 +764,7 @@ TEST(BinderRpc, OnewayCallQueueing) {
		EXPECT_GT(epochMsAfter, epochMsBefore + kSleepMs * kNumSleeps);
		}

		TEST(BinderRpc, Die) {
		TEST_P(BinderRpc, Die) {
		// TODO(b/183141167): handle this in library
		signal(SIGPIPE, SIG_IGN);

		@@ -743,7 +796,7 @@ ssize_t countFds() {
		return ret;
		}

		TEST(BinderRpc, Fds) {
		TEST_P(BinderRpc, Fds) {
		ssize_t beforeFds = countFds();
		ASSERT_GE(beforeFds, 0);
		{
		@@ -753,10 +806,19 @@ TEST(BinderRpc, Fds) {
		ASSERT_EQ(beforeFds, countFds()) << (system("ls -l /proc/self/fd/"), "fd leak?");
		}

		extern "C" int main(int argc, char** argv) {
		INSTANTIATE_TEST_CASE_P(PerSocket, BinderRpc,
		::testing::Values(SocketType::UNIX
		#ifdef __BIONIC__
		,
		SocketType::VSOCK
		#endif // __BIONIC__
		),
		PrintSocketType);

		} // namespace android

		int main(int argc, char** argv) {
		::testing::InitGoogleTest(&argc, argv);
		android::base::InitLogging(argv, android::base::StderrLogger, android::base::DefaultAborter);
		return RUN_ALL_TESTS();
		}

		} // namespace android