| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <err.h> |
| #include <inttypes.h> |
| #include <pthread.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include <sys/mman.h> |
| #include <sys/user.h> |
| #include <unistd.h> |
| |
| #include <gtest/gtest.h> |
| |
| #include <chrono> |
| #include <thread> |
| #include <vector> |
| |
| #include <android-base/macros.h> |
| |
| #include "utils.h" |
| |
| using namespace std::chrono_literals; |
| |
| static size_t GetMappingSize() { |
| std::vector<map_record> maps; |
| if (!Maps::parse_maps(&maps)) { |
| err(1, "failed to parse maps"); |
| } |
| |
| size_t result = 0; |
| for (const map_record& map : maps) { |
| result += map.addr_end - map.addr_start; |
| } |
| |
| return result; |
| } |
| |
| #define LEAK_TEST(test_case_name, test_name) \ |
| static void __leak_test__##test_case_name##__##test_name(); \ |
| TEST(test_case_name, test_name) { \ |
| auto previous_size = GetMappingSize(); \ |
| __leak_test__##test_case_name##__##test_name(); \ |
| auto current_size = GetMappingSize(); \ |
| if (current_size > previous_size) { \ |
| FAIL() << "increase in process map size: " << previous_size << " -> " << current_size; \ |
| } \ |
| } \ |
| static void __leak_test__##test_case_name##__##test_name() |
| |
| LEAK_TEST(leak, smoke) { |
| // Do nothing. |
| } |
| |
| LEAK_TEST(leak, xfail) { |
| UNUSED(mmap(nullptr, PAGE_SIZE, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0)); |
| } |
| |
| // http://b/36045112 |
| LEAK_TEST(pthread_leak, join) { |
| for (int i = 0; i < 100; ++i) { |
| pthread_t thread; |
| ASSERT_EQ(0, pthread_create(&thread, nullptr, [](void*) -> void* { return nullptr; }, nullptr)); |
| ASSERT_EQ(0, pthread_join(thread, nullptr)); |
| } |
| } |
| |
| // http://b/36045112 |
| LEAK_TEST(pthread_leak, detach) { |
| pthread_barrier_t barrier; |
| constexpr int thread_count = 100; |
| ASSERT_EQ(0, pthread_barrier_init(&barrier, nullptr, thread_count + 1)); |
| for (int i = 0; i < thread_count; ++i) { |
| pthread_t thread; |
| const auto thread_function = +[](void* barrier) -> void* { |
| pthread_barrier_wait(static_cast<pthread_barrier_t*>(barrier)); |
| return nullptr; |
| }; |
| ASSERT_EQ(0, pthread_create(&thread, nullptr, thread_function, &barrier)); |
| ASSERT_EQ(0, pthread_detach(thread)); |
| } |
| |
| pthread_barrier_wait(&barrier); |
| |
| // Give the threads some time to exit. |
| std::this_thread::sleep_for(100ms); |
| } |