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/*
* Copyright (C) 2009 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "third_party/blink/renderer/controller/blink_initializer.h"
#include <memory>
#include <utility>
#include "base/allocator/partition_allocator/page_allocator.h"
#include "build/build_config.h"
#include "mojo/public/cpp/bindings/binder_map.h"
#include "third_party/blink/public/common/experiments/memory_ablation_experiment.h"
#include "third_party/blink/public/common/features.h"
#include "third_party/blink/public/mojom/loader/previews_resource_loading_hints.mojom-blink.h"
#include "third_party/blink/public/platform/interface_registry.h"
#include "third_party/blink/public/platform/platform.h"
#include "third_party/blink/public/web/blink.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_initializer.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_context_snapshot_external_references.h"
#include "third_party/blink/renderer/controller/blink_leak_detector.h"
#include "third_party/blink/renderer/controller/dev_tools_frontend_impl.h"
#include "third_party/blink/renderer/core/animation/animation_clock.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/frame/display_cutout_client_impl.h"
#include "third_party/blink/renderer/core/frame/local_frame.h"
#include "third_party/blink/renderer/platform/bindings/microtask.h"
#include "third_party/blink/renderer/platform/bindings/v8_per_isolate_data.h"
#include "third_party/blink/renderer/platform/heap/heap.h"
#include "third_party/blink/renderer/platform/instrumentation/histogram.h"
#include "third_party/blink/renderer/platform/scheduler/public/thread.h"
#include "third_party/blink/renderer/platform/wtf/assertions.h"
#include "third_party/blink/renderer/platform/wtf/functional.h"
#include "third_party/blink/renderer/platform/wtf/wtf.h"
#include "v8/include/v8.h"
#if defined(OS_ANDROID)
#include "third_party/blink/renderer/controller/crash_memory_metrics_reporter_impl.h"
#include "third_party/blink/renderer/controller/oom_intervention_impl.h"
#endif
#if defined(OS_LINUX)
#include "third_party/blink/renderer/controller/memory_usage_monitor_posix.h"
#endif
#if defined(OS_LINUX) || defined(OS_ANDROID) || defined(OS_MACOSX) || \
defined(OS_WIN)
#include "third_party/blink/renderer/controller/highest_pmf_reporter.h"
#include "third_party/blink/renderer/controller/user_level_memory_pressure_signal_generator.h"
#endif
namespace blink {
namespace {
class EndOfTaskRunner : public Thread::TaskObserver {
public:
void WillProcessTask(const base::PendingTask&, bool) override {
AnimationClock::NotifyTaskStart();
}
void DidProcessTask(const base::PendingTask&) override {
// TODO(tzik): Move rejected promise handling to EventLoop.
V8Initializer::ReportRejectedPromisesOnMainThread();
}
};
Thread::TaskObserver* g_end_of_task_runner = nullptr;
BlinkInitializer& GetBlinkInitializer() {
DEFINE_STATIC_LOCAL(std::unique_ptr<BlinkInitializer>, initializer,
(std::make_unique<BlinkInitializer>()));
return *initializer;
}
void InitializeCommon(Platform* platform, mojo::BinderMap* binders) {
#if !defined(ARCH_CPU_X86_64) && !defined(ARCH_CPU_ARM64) && defined(OS_WIN)
// Reserve address space on 32 bit Windows, to make it likelier that large
// array buffer allocations succeed.
BOOL is_wow_64 = -1;
if (!IsWow64Process(GetCurrentProcess(), &is_wow_64))
is_wow_64 = FALSE;
if (!is_wow_64) {
// Try to reserve as much address space as we reasonably can.
const size_t kMB = 1024 * 1024;
for (size_t size = 512 * kMB; size >= 32 * kMB; size -= 16 * kMB) {
if (base::ReserveAddressSpace(size)) {
// Report successful reservation.
DEFINE_STATIC_LOCAL(CustomCountHistogram, reservation_size_histogram,
("Renderer4.ReservedMemory", 32, 512, 32));
reservation_size_histogram.Count(size / kMB);
break;
}
}
}
#endif // !defined(ARCH_CPU_X86_64) && !defined(ARCH_CPU_ARM64) &&
// defined(OS_WIN)
// BlinkInitializer::Initialize() must be called before InitializeMainThread
GetBlinkInitializer().Initialize();
V8Initializer::InitializeMainThread(
V8ContextSnapshotExternalReferences::GetTable());
GetBlinkInitializer().RegisterInterfaces(*binders);
DCHECK(!g_end_of_task_runner);
g_end_of_task_runner = new EndOfTaskRunner;
Thread::Current()->AddTaskObserver(g_end_of_task_runner);
scoped_refptr<base::SequencedTaskRunner> task_runner =
Thread::MainThread()->GetTaskRunner();
if (task_runner)
MemoryAblationExperiment::MaybeStartForRenderer(task_runner);
#if defined(OS_ANDROID)
// Initialize CrashMemoryMetricsReporterImpl in order to assure that memory
// allocation does not happen in OnOOMCallback.
CrashMemoryMetricsReporterImpl::Instance();
#endif
#if defined(OS_LINUX) || defined(OS_ANDROID) || defined(OS_MACOSX) || \
defined(OS_WIN)
// Initialize UserLevelMemoryPressureSignalGenerator so it starts monitoring.
if (UserLevelMemoryPressureSignalGenerator::Enabled())
UserLevelMemoryPressureSignalGenerator::Instance();
// Start reporting the highest private memory footprint after the first
// navigation.
HighestPmfReporter::Instance();
#endif
}
} // namespace
void Initialize(Platform* platform,
mojo::BinderMap* binders,
scheduler::WebThreadScheduler* main_thread_scheduler) {
DCHECK(binders);
Platform::Initialize(platform, main_thread_scheduler);
InitializeCommon(platform, binders);
}
void CreateMainThreadAndInitialize(Platform* platform,
mojo::BinderMap* binders) {
DCHECK(binders);
Platform::CreateMainThreadAndInitialize(platform);
InitializeCommon(platform, binders);
}
void BlinkInitializer::RegisterInterfaces(mojo::BinderMap& binders) {
ModulesInitializer::RegisterInterfaces(binders);
Thread* main_thread = Thread::MainThread();
// GetSingleThreadTaskRunner() uses GetTaskRunner() internally.
// crbug.com/781664
if (!main_thread->GetTaskRunner())
return;
#if defined(OS_ANDROID)
binders.Add(ConvertToBaseRepeatingCallback(
CrossThreadBindRepeating(&OomInterventionImpl::Create)),
main_thread->GetTaskRunner());
binders.Add(ConvertToBaseRepeatingCallback(CrossThreadBindRepeating(
&CrashMemoryMetricsReporterImpl::Bind)),
main_thread->GetTaskRunner());
#endif
#if defined(OS_LINUX)
binders.Add(ConvertToBaseRepeatingCallback(
CrossThreadBindRepeating(&MemoryUsageMonitorPosix::Bind)),
main_thread->GetTaskRunner());
#endif
binders.Add(ConvertToBaseRepeatingCallback(
CrossThreadBindRepeating(&BlinkLeakDetector::Create)),
main_thread->GetTaskRunner());
}
void BlinkInitializer::InitLocalFrame(LocalFrame& frame) const {
if (RuntimeEnabledFeatures::DisplayCutoutAPIEnabled()) {
frame.GetInterfaceRegistry()->AddAssociatedInterface(
WTF::BindRepeating(&DisplayCutoutClientImpl::BindMojoReceiver,
WrapWeakPersistent(&frame)));
}
frame.GetInterfaceRegistry()->AddAssociatedInterface(WTF::BindRepeating(
&DevToolsFrontendImpl::BindMojoRequest, WrapWeakPersistent(&frame)));
frame.GetInterfaceRegistry()->AddInterface(WTF::BindRepeating(
&LocalFrame::PauseSubresourceLoading, WrapWeakPersistent(&frame)));
ModulesInitializer::InitLocalFrame(frame);
}
void BlinkInitializer::OnClearWindowObjectInMainWorld(
Document& document,
const Settings& settings) const {
if (DevToolsFrontendImpl* devtools_frontend =
DevToolsFrontendImpl::From(document.GetFrame())) {
devtools_frontend->DidClearWindowObject();
}
ModulesInitializer::OnClearWindowObjectInMainWorld(document, settings);
}
} // namespace blink