// Copyright 2012 The Chromium Authors // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #include "content/browser/browser_main_loop.h" #include <stddef.h> #include <algorithm> #include <memory> #include <string> #include <tuple> #include <utility> #include <vector> #include "base/allocator/partition_alloc_features.h" #include "base/base_switches.h" #include "base/callback_list.h" #include "base/command_line.h" #include "base/feature_list.h" #include "base/functional/bind.h" #include "base/location.h" #include "base/logging.h" #include "base/memory/memory_pressure_monitor.h" #include "base/memory/ptr_util.h" #include "base/metrics/field_trial.h" #include "base/metrics/histogram_macros.h" #include "base/metrics/user_metrics.h" #include "base/no_destructor.h" #include "base/path_service.h" #include "base/pending_task.h" #include "base/power_monitor/power_monitor.h" #include "base/power_monitor/power_monitor_source.h" #include "base/process/process_metrics.h" #include "base/rand_util.h" #include "base/run_loop.h" #include "base/scoped_observation.h" #include "base/strings/string_number_conversions.h" #include "base/strings/string_split.h" #include "base/synchronization/waitable_event.h" #include "base/system/system_monitor.h" #include "base/task/current_thread.h" #include "base/task/deferred_sequenced_task_runner.h" #include "base/task/sequenced_task_runner.h" #include "base/task/single_thread_task_runner.h" #include "base/task/thread_pool/initialization_util.h" #include "base/threading/thread.h" #include "base/threading/thread_restrictions.h" #include "base/time/time.h" #include "base/timer/hi_res_timer_manager.h" #include "base/trace_event/memory_dump_manager.h" #include "base/trace_event/trace_event.h" #include "build/branding_buildflags.h" #include "build/build_config.h" #include "build/chromecast_buildflags.h" #include "build/chromeos_buildflags.h" #include "cc/base/histograms.h" #include "components/discardable_memory/service/discardable_shared_memory_manager.h" #include "components/memory_pressure/multi_source_memory_pressure_monitor.h" #include "components/power_monitor/make_power_monitor_device_source.h" #include "components/services/storage/dom_storage/storage_area_impl.h" #include "components/tracing/common/tracing_switches.h" #include "components/variations/fake_crash.h" #include "components/viz/host/compositing_mode_reporter_impl.h" #include "components/viz/host/gpu_host_impl.h" #include "components/viz/host/host_frame_sink_manager.h" #include "content/browser/accessibility/browser_accessibility_state_impl.h" #include "content/browser/browser_thread_impl.h" #include "content/browser/child_process_security_policy_impl.h" #include "content/browser/compositor/viz_process_transport_factory.h" #include "content/browser/download/save_file_manager.h" #include "content/browser/field_trial_synchronizer.h" #include "content/browser/first_party_sets/first_party_set_parser.h" #include "content/browser/first_party_sets/first_party_sets_handler_impl.h" #include "content/browser/gpu/browser_gpu_channel_host_factory.h" #include "content/browser/gpu/browser_gpu_client_delegate.h" #include "content/browser/gpu/compositor_util.h" #include "content/browser/gpu/gpu_data_manager_impl.h" #include "content/browser/gpu/gpu_disk_cache_factory.h" #include "content/browser/gpu/gpu_process_host.h" #include "content/browser/media/media_internals.h" #include "content/browser/media/media_keys_listener_manager_impl.h" #include "content/browser/memory_pressure/user_level_memory_pressure_signal_generator.h" #include "content/browser/metrics/histogram_synchronizer.h" #include "content/browser/network/browser_online_state_observer.h" #include "content/browser/network_service_instance_impl.h" #include "content/browser/renderer_host/media/media_stream_manager.h" #include "content/browser/renderer_host/render_process_host_impl.h" #include "content/browser/scheduler/browser_task_executor.h" #include "content/browser/scheduler/responsiveness/watcher.h" #include "content/browser/screenlock_monitor/screenlock_monitor.h" #include "content/browser/screenlock_monitor/screenlock_monitor_device_source.h" #include "content/browser/sms/sms_provider.h" #include "content/browser/speech/speech_recognition_manager_impl.h" #include "content/browser/speech/tts_controller_impl.h" #include "content/browser/startup_data_impl.h" #include "content/browser/startup_task_runner.h" #include "content/browser/tracing/background_tracing_manager_impl.h" #include "content/browser/tracing/startup_tracing_controller.h" #include "content/browser/tracing/tracing_controller_impl.h" #include "content/browser/utility_process_host.h" #include "content/browser/webrtc/webrtc_internals.h" #include "content/browser/webui/content_web_ui_configs.h" #include "content/browser/webui/url_data_manager.h" #include "content/common/content_switches_internal.h" #include "content/common/features.h" #include "content/common/pseudonymization_salt.h" #include "content/common/skia_utils.h" #include "content/common/thread_pool_util.h" #include "content/public/browser/audio_service.h" #include "content/public/browser/background_tracing_manager.h" #include "content/public/browser/browser_main_parts.h" #include "content/public/browser/browser_task_traits.h" #include "content/public/browser/browser_thread.h" #include "content/public/browser/content_browser_client.h" #include "content/public/browser/device_service.h" #include "content/public/browser/network_service_instance.h" #include "content/public/browser/network_service_util.h" #include "content/public/browser/render_process_host.h" #include "content/public/browser/service_process_host.h" #include "content/public/browser/site_isolation_policy.h" #include "content/public/common/content_client.h" #include "content/public/common/content_features.h" #include "content/public/common/content_switches.h" #include "content/public/common/main_function_params.h" #include "content/public/common/result_codes.h" #include "content/public/common/zygote/zygote_buildflags.h" #include "crypto/crypto_buildflags.h" #include "device/fido/hid/fido_hid_discovery.h" #include "device/gamepad/gamepad_service.h" #include "media/audio/audio_manager.h" #include "media/audio/audio_system.h" #include "media/audio/audio_thread_impl.h" #include "media/base/user_input_monitor.h" #include "media/media_buildflags.h" #include "media/midi/midi_service.h" #include "media/mojo/buildflags.h" #include "mojo/core/embedder/embedder.h" #include "mojo/core/embedder/scoped_ipc_support.h" #include "mojo/public/cpp/bindings/interface_endpoint_client.h" #include "mojo/public/cpp/bindings/mojo_buildflags.h" #include "mojo/public/cpp/bindings/sync_call_restrictions.h" #include "net/base/network_change_notifier.h" #include "net/log/net_log.h" #include "net/socket/client_socket_factory.h" #include "net/ssl/ssl_config_service.h" #include "ppapi/buildflags/buildflags.h" #include "services/audio/service.h" #include "services/data_decoder/public/cpp/service_provider.h" #include "services/data_decoder/public/mojom/data_decoder_service.mojom.h" #include "services/network/public/cpp/network_switches.h" #include "services/network/public/mojom/network_service.mojom.h" #include "services/network/transitional_url_loader_factory_owner.h" #include "services/tracing/public/cpp/trace_startup_config.h" #include "services/video_capture/public/cpp/features.h" #include "skia/ext/event_tracer_impl.h" #include "skia/ext/legacy_display_globals.h" #include "skia/ext/skia_memory_dump_provider.h" #include "sql/sql_memory_dump_provider.h" #include "ui/base/clipboard/clipboard.h" #include "ui/display/display_features.h" #include "ui/gfx/font_render_params.h" #include "ui/gfx/switches.h" #if defined(USE_AURA) || BUILDFLAG(IS_MAC) #include "content/browser/compositor/image_transport_factory.h" #endif #if defined(USE_AURA) #include "content/public/browser/context_factory.h" #include "ui/aura/env.h" #endif #if BUILDFLAG(IS_ANDROID) #include "base/android/jni_android.h" #include "base/trace_event/cpufreq_monitor_android.h" #include "components/tracing/common/graphics_memory_dump_provider_android.h" #include "content/browser/android/browser_startup_controller.h" #include "content/browser/android/launcher_thread.h" #include "content/browser/android/scoped_surface_request_manager.h" #include "content/browser/android/tracing_controller_android.h" #include "content/browser/font_unique_name_lookup/font_unique_name_lookup_android.h" #include "content/browser/screen_orientation/screen_orientation_delegate_android.h" #include "media/base/android/media_drm_bridge_client.h" #include "ui/android/screen_android.h" #include "ui/display/screen.h" #include "ui/gl/gl_surface.h" #endif #if BUILDFLAG(IS_MAC) #include "base/apple/scoped_nsautorelease_pool.h" #include "content/browser/renderer_host/browser_compositor_view_mac.h" #include "content/browser/theme_helper_mac.h" #include "ui/accelerated_widget_mac/window_resize_helper_mac.h" #endif #if BUILDFLAG(IS_WIN) #include <windows.h> #include <commctrl.h> #include <shellapi.h> #include "base/threading/platform_thread_win.h" #include "net/base/winsock_init.h" #endif #if BUILDFLAG(IS_CHROMEOS_ASH) #include "device/bluetooth/bluetooth_adapter_factory.h" #include "services/data_decoder/public/cpp/data_decoder.h" #endif #if defined(USE_GLIB) #include <glib-object.h> #endif #if BUILDFLAG(IS_WIN) #include "media/device_monitors/system_message_window_win.h" #elif (BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)) && defined(USE_UDEV) #include "media/device_monitors/device_monitor_udev.h" #endif #if BUILDFLAG(IS_FUCHSIA) #include <lib/zx/job.h> #include "base/fuchsia/default_job.h" #include "base/fuchsia/fuchsia_logging.h" #endif // BUILDFLAG(IS_FUCHSIA) #if BUILDFLAG(IS_POSIX) && !BUILDFLAG(IS_MAC) #include "content/browser/sandbox_host_linux.h" #endif #if BUILDFLAG(ENABLE_PLUGINS) #include "content/browser/plugin_service_impl.h" #endif #if BUILDFLAG(ENABLE_LIBRARY_CDMS) || BUILDFLAG(IS_ANDROID) #include "content/browser/media/cdm_registry_impl.h" #endif #if BUILDFLAG(USE_NSS_CERTS) #include "crypto/nss_util.h" #endif #if defined(ENABLE_IPC_FUZZER) && BUILDFLAG(IS_MAC) #include "base/apple/foundation_util.h" #endif #if BUILDFLAG(MOJO_RANDOM_DELAYS_ENABLED) #include "mojo/public/cpp/bindings/lib/test_random_mojo_delays.h" #endif // One of the linux specific headers defines this as a macro. #ifdef DestroyAll #undef DestroyAll #endif namespace content { namespace { #if defined(USE_GLIB) static void GLibLogHandler(const gchar* log_domain, GLogLevelFlags log_level, const gchar* message, gpointer userdata) { … } static void SetUpGLibLogHandler() { … } #endif // defined(USE_GLIB) // NOINLINE so it's possible to tell what thread was unresponsive by inspecting // the callstack. NOINLINE void ResetThread_IO( std::unique_ptr<BrowserProcessIOThread> io_thread) { … } enum WorkerPoolType : size_t { … }; #if BUILDFLAG(IS_FUCHSIA) // Create and register the job which will contain all child processes // of the browser process as well as their descendents. void InitDefaultJob() { zx::job job; zx_status_t result = zx::job::create(*zx::job::default_job(), 0, &job); ZX_CHECK(ZX_OK == result, result) << "zx_job_create"; base::SetDefaultJob(std::move(job)); } #endif // BUILDFLAG(IS_FUCHSIA) #if defined(ENABLE_IPC_FUZZER) bool GetBuildDirectory(base::FilePath* result) { if (!base::PathService::Get(base::DIR_EXE, result)) return false; #if BUILDFLAG(IS_MAC) if (base::apple::AmIBundled()) { // The bundled app executables (Chromium, TestShell, etc) live three // levels down from the build directory, eg: // Chromium.app/Contents/MacOS/Chromium *result = result->DirName().DirName().DirName(); } #endif return true; } void SetFileUrlPathAliasForIpcFuzzer() { if (base::CommandLine::ForCurrentProcess()->HasSwitch( switches::kFileUrlPathAlias)) return; base::FilePath build_directory; if (!GetBuildDirectory(&build_directory)) { LOG(ERROR) << "Failed to get build directory for /gen path alias."; return; } const base::CommandLine::StringType alias_switch = FILE_PATH_LITERAL("/gen=") + build_directory.AppendASCII("gen").value(); base::CommandLine::ForCurrentProcess()->AppendSwitchNative( switches::kFileUrlPathAlias, alias_switch); } #endif std::unique_ptr<base::MemoryPressureMonitor> CreateMemoryPressureMonitor( const base::CommandLine& command_line) { … } #if BUILDFLAG(IS_CHROMEOS_ASH) mojo::PendingRemote<data_decoder::mojom::BleScanParser> GetBleScanParser() { static base::NoDestructor<data_decoder::DataDecoder> decoder; mojo::PendingRemote<data_decoder::mojom::BleScanParser> ble_scan_parser; decoder->GetService()->BindBleScanParser( ble_scan_parser.InitWithNewPipeAndPassReceiver()); return ble_scan_parser; } #endif // BUILDFLAG(IS_CHROMEOS_ASH) class OopDataDecoder : public data_decoder::ServiceProvider { … }; void BindHidManager(mojo::PendingReceiver<device::mojom::HidManager> receiver) { … } uint32_t GenerateBrowserSalt() { … } std::string GetRelatedWebsiteSetSwitch() { … } } // namespace // The currently-running BrowserMainLoop. There can be one or zero. BrowserMainLoop* g_current_browser_main_loop = …; #if BUILDFLAG(IS_ANDROID) namespace { // Whether or not BrowserMainLoop::CreateStartupTasks() posts any tasks. bool g_post_startup_tasks = true; } // namespace // static void BrowserMainLoop::EnableStartupTasks(bool enabled) { g_post_startup_tasks = enabled; } #endif // BrowserMainLoop construction / destruction ============================= BrowserMainLoop* BrowserMainLoop::GetInstance() { … } // static media::AudioManager* BrowserMainLoop::GetAudioManager() { … } BrowserMainLoop::BrowserMainLoop( MainFunctionParams parameters, std::unique_ptr<base::ThreadPoolInstance::ScopedExecutionFence> scoped_execution_fence) : … { … } BrowserMainLoop::~BrowserMainLoop() { … } void BrowserMainLoop::Init() { … } // BrowserMainLoop stages ================================================== int BrowserMainLoop::EarlyInitialization() { … } void BrowserMainLoop::PreCreateMainMessageLoop() { … } void BrowserMainLoop::CreateMainMessageLoop() { … } void BrowserMainLoop::PostCreateMainMessageLoop() { … } void BrowserMainLoop::CreateMessageLoopForEarlyShutdown() { … } int BrowserMainLoop::PreCreateThreads() { … } void BrowserMainLoop::CreateStartupTasks() { … } scoped_refptr<base::SingleThreadTaskRunner> BrowserMainLoop::GetResizeTaskRunner() { … } gpu::GpuChannelEstablishFactory* BrowserMainLoop::gpu_channel_establish_factory() const { … } #if BUILDFLAG(IS_ANDROID) void BrowserMainLoop::SynchronouslyFlushStartupTasks() { startup_task_runner_->RunAllTasksNow(); } #endif // BUILDFLAG(IS_ANDROID) int BrowserMainLoop::CreateThreads() { … } int BrowserMainLoop::PostCreateThreads() { … } int BrowserMainLoop::PreMainMessageLoopRun() { … } BrowserMainLoop::ProceedWithMainMessageLoopRun BrowserMainLoop::InterceptMainMessageLoopRun() { … } void BrowserMainLoop::RunMainMessageLoop() { … } void BrowserMainLoop::PreShutdown() { … } void BrowserMainLoop::ShutdownThreadsAndCleanUp() { … } media::AudioManager* BrowserMainLoop::audio_manager() const { … } void BrowserMainLoop::GetCompositingModeReporter( mojo::PendingReceiver<viz::mojom::CompositingModeReporter> receiver) { … } void BrowserMainLoop::PostCreateThreadsImpl() { … } bool BrowserMainLoop::UsingInProcessGpu() const { … } void BrowserMainLoop::InitializeMemoryManagementComponent() { … } bool BrowserMainLoop::InitializeToolkit() { … } void BrowserMainLoop::InitializeMojo() { … } void BrowserMainLoop::InitializeAudio() { … } bool BrowserMainLoop::AudioServiceOutOfProcess() const { … } SmsProvider* BrowserMainLoop::GetSmsProvider() { … } void BrowserMainLoop::SetSmsProviderForTesting( std::unique_ptr<SmsProvider> provider) { … } base::PlatformThreadId BrowserMainLoop::GetIOThreadId() { … } } // namespace content
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