Merge "libbinder_ndk: stress test for retrieving binders" am: 2bfbdffc

#include <condition_variable>

#include <iostream>

#include <mutex>

#include <thread>

#include "android/binder_ibinder.h"

using namespace android;

    EXPECT_EQ(2, out);

}

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;

    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));

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

            }

        }));

    }

    for (auto& thread : threads) thread.join();

}

void defaultInstanceCounter(const char* instance, void* context) {

    if (strcmp(instance, "default") == 0) {

        ++*(size_t*)(context);