Merge "libbinder_ndk_unit_test: avoid race" into main am: bb9be55f am: 27c18c5c am: 8e3d63b3

}

TEST(NdkBinder, GetTestServiceStressTest) {

    // libbinder has some complicated logic to make sure only one instance of

    // ABpBinder is associated with each binder.

    constexpr size_t kNumThreads = 10;

    constexpr size_t kNumCalls = 1000;

    std::vector<std::thread> threads;

    // this is not a lazy service, but we must make sure that it's started before calling

    // checkService on it, since the other process serving it might not be started yet.

    {

        // getService, not waitForService, to take advantage of timeout

        auto binder = ndk::SpAIBinder(AServiceManager_getService(IFoo::kSomeInstanceName));

        ASSERT_NE(nullptr, binder.get());

    }

    for (size_t i = 0; i < kNumThreads; i++) {

        threads.push_back(std::thread([&]() {

            for (size_t j = 0; j < kNumCalls; j++) {

                auto binder =

                        ndk::SpAIBinder(AServiceManager_checkService(IFoo::kSomeInstanceName));

                ASSERT_NE(nullptr, binder.get());

                EXPECT_EQ(STATUS_OK, AIBinder_ping(binder.get()));

            }

        }));