// Copyright Joyent, Inc. and other Node contributors.

//

// Permission is hereby granted, free of charge, to any person obtaining a

// copy of this software and associated documentation files (the

// "Software"), to deal in the Software without restriction, including

// without limitation the rights to use, copy, modify, merge, publish,

// distribute, sublicense, and/or sell copies of the Software, and to permit

// persons to whom the Software is furnished to do so, subject to the

// following conditions:

//

// The above copyright notice and this permission notice shall be included

// in all copies or substantial portions of the Software.

//

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN

// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,

// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR

// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE

// USE OR OTHER DEALINGS IN THE SOFTWARE.

#ifndef SRC_ENV_INL_H_

#define SRC_ENV_INL_H_

#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS

#include "aliased_buffer.h"

#include "callback_queue-inl.h"

#include "env.h"

#include "node.h"

#include "util-inl.h"

#include "uv.h"

#include "v8.h"

#include "node_perf_common.h"

#include "node_context_data.h"

#include <cstddef>

#include <cstdint>

#include <utility>

namespace node {

inline v8::Isolate* IsolateData::isolate() const {

return isolate_;

}

inline uv_loop_t* IsolateData::event_loop() const {

return event_loop_;

}

inline bool IsolateData::uses_node_allocator() const {

return uses_node_allocator_;

}

inline v8::ArrayBuffer::Allocator* IsolateData::allocator() const {

return allocator_;

}

inline NodeArrayBufferAllocator* IsolateData::node_allocator() const {

return node_allocator_;

}

inline MultiIsolatePlatform* IsolateData::platform() const {

return platform_;

}

inline v8::Local<v8::String> IsolateData::async_wrap_provider(int index) const {

return async_wrap_providers_[index].Get(isolate_);

}

inline void IsolateData::set_worker_context(worker::Worker* context) {

CHECK_NULL(worker_context_); // Should be set only once.

worker_context_ = context;

}

inline worker::Worker* IsolateData::worker_context() const {

return worker_context_;

}

inline AsyncHooks::AsyncHooks()

: async_ids_stack_(env()->isolate(), 16 * 2),

fields_(env()->isolate(), kFieldsCount),

async_id_fields_(env()->isolate(), kUidFieldsCount) {

clear_async_id_stack();

// Always perform async_hooks checks, not just when async_hooks is enabled.

// TODO(AndreasMadsen): Consider removing this for LTS releases.

// See discussion in https://github.com/nodejs/node/pull/15454

// When removing this, do it by reverting the commit. Otherwise the test

// and flag changes won't be included.

fields_[kCheck] = 1;

// kDefaultTriggerAsyncId should be -1, this indicates that there is no

// specified default value and it should fallback to the executionAsyncId.

// 0 is not used as the magic value, because that indicates a missing context

// which is different from a default context.

async_id_fields_[AsyncHooks::kDefaultTriggerAsyncId] = -1;

// kAsyncIdCounter should start at 1 because that'll be the id the execution

// context during bootstrap (code that runs before entering uv_run()).

async_id_fields_[AsyncHooks::kAsyncIdCounter] = 1;

}

inline AliasedUint32Array& AsyncHooks::fields() {

return fields_;

}

inline AliasedFloat64Array& AsyncHooks::async_id_fields() {

return async_id_fields_;

}

inline AliasedFloat64Array& AsyncHooks::async_ids_stack() {

return async_ids_stack_;

}

v8::Local<v8::Array> AsyncHooks::js_execution_async_resources() {

if (UNLIKELY(js_execution_async_resources_.IsEmpty())) {

js_execution_async_resources_.Reset(

env()->isolate(), v8::Array::New(env()->isolate()));

}

return PersistentToLocal::Strong(js_execution_async_resources_);

}

v8::Local<v8::Object> AsyncHooks::native_execution_async_resource(size_t i) {

if (i >= native_execution_async_resources_.size()) return {};

return PersistentToLocal::Strong(native_execution_async_resources_[i]);

}

inline v8::Local<v8::String> AsyncHooks::provider_string(int idx) {

return env()->isolate_data()->async_wrap_provider(idx);

}

inline void AsyncHooks::no_force_checks() {

fields_[kCheck] -= 1;

}

inline Environment* AsyncHooks::env() {

return Environment::ForAsyncHooks(this);

}

// Remember to keep this code aligned with pushAsyncContext() in JS.

inline void AsyncHooks::push_async_context(double async_id,

double trigger_async_id,

v8::Local<v8::Object> resource) {

// Since async_hooks is experimental, do only perform the check

// when async_hooks is enabled.

if (fields_[kCheck] > 0) {

CHECK_GE(async_id, -1);

CHECK_GE(trigger_async_id, -1);

}

uint32_t offset = fields_[kStackLength];

if (offset * 2 >= async_ids_stack_.Length())

grow_async_ids_stack();

async_ids_stack_[2 * offset] = async_id_fields_[kExecutionAsyncId];

async_ids_stack_[2 * offset + 1] = async_id_fields_[kTriggerAsyncId];

fields_[kStackLength] += 1;

async_id_fields_[kExecutionAsyncId] = async_id;

async_id_fields_[kTriggerAsyncId] = trigger_async_id;

#ifdef DEBUG

for (uint32_t i = offset; i < native_execution_async_resources_.size(); i++)

CHECK(native_execution_async_resources_[i].IsEmpty());

#endif

// When this call comes from JS (as a way of increasing the stack size),

// `resource` will be empty, because JS caches these values anyway, and

// we should avoid creating strong global references that might keep

// these JS resource objects alive longer than necessary.

if (!resource.IsEmpty()) {

native_execution_async_resources_.resize(offset + 1);

native_execution_async_resources_[offset].Reset(env()->isolate(), resource);

}

}

// Remember to keep this code aligned with popAsyncContext() in JS.

inline bool AsyncHooks::pop_async_context(double async_id) {

// In case of an exception then this may have already been reset, if the

// stack was multiple MakeCallback()'s deep.

if (fields_[kStackLength] == 0) return false;

// Ask for the async_id to be restored as a check that the stack

// hasn't been corrupted.

// Since async_hooks is experimental, do only perform the check

// when async_hooks is enabled.

if (fields_[kCheck] > 0 && async_id_fields_[kExecutionAsyncId] != async_id) {

fprintf(stderr,

"Error: async hook stack has become corrupted ("

"actual: %.f, expected: %.f)\n",

async_id_fields_.GetValue(kExecutionAsyncId),

async_id);

DumpBacktrace(stderr);

fflush(stderr);

if (!env()->abort_on_uncaught_exception())

exit(1);

fprintf(stderr, "\n");

fflush(stderr);

ABORT_NO_BACKTRACE();

}

uint32_t offset = fields_[kStackLength] - 1;

async_id_fields_[kExecutionAsyncId] = async_ids_stack_[2 * offset];

async_id_fields_[kTriggerAsyncId] = async_ids_stack_[2 * offset + 1];

fields_[kStackLength] = offset;

if (LIKELY(offset < native_execution_async_resources_.size() &&

!native_execution_async_resources_[offset].IsEmpty())) {

#ifdef DEBUG

for (uint32_t i = offset + 1;

i < native_execution_async_resources_.size();

i++) {

CHECK(native_execution_async_resources_[i].IsEmpty());

}

#endif

native_execution_async_resources_.resize(offset);

if (native_execution_async_resources_.size() <

native_execution_async_resources_.capacity() / 2 &&

native_execution_async_resources_.size() > 16) {

native_execution_async_resources_.shrink_to_fit();

}

}

if (UNLIKELY(js_execution_async_resources()->Length() > offset)) {

v8::HandleScope handle_scope(env()->isolate());

USE(js_execution_async_resources()->Set(

env()->context(),

env()->length_string(),

v8::Integer::NewFromUnsigned(env()->isolate(), offset)));

}

return fields_[kStackLength] > 0;

}

void AsyncHooks::clear_async_id_stack() {

v8::Isolate* isolate = env()->isolate();

v8::HandleScope handle_scope(isolate);

if (!js_execution_async_resources_.IsEmpty()) {

USE(PersistentToLocal::Strong(js_execution_async_resources_)->Set(

env()->context(),

env()->length_string(),

v8::Integer::NewFromUnsigned(isolate, 0)));

}

native_execution_async_resources_.clear();

native_execution_async_resources_.shrink_to_fit();

async_id_fields_[kExecutionAsyncId] = 0;

async_id_fields_[kTriggerAsyncId] = 0;

fields_[kStackLength] = 0;

}

// The DefaultTriggerAsyncIdScope(AsyncWrap*) constructor is defined in

// async_wrap-inl.h to avoid a circular dependency.

inline AsyncHooks::DefaultTriggerAsyncIdScope ::DefaultTriggerAsyncIdScope(

Environment* env, double default_trigger_async_id)

: async_hooks_(env->async_hooks()) {

if (env->async_hooks()->fields()[AsyncHooks::kCheck] > 0) {

CHECK_GE(default_trigger_async_id, 0);

}

old_default_trigger_async_id_ =

async_hooks_->async_id_fields()[AsyncHooks::kDefaultTriggerAsyncId];

async_hooks_->async_id_fields()[AsyncHooks::kDefaultTriggerAsyncId] =

default_trigger_async_id;

}

inline AsyncHooks::DefaultTriggerAsyncIdScope ::~DefaultTriggerAsyncIdScope() {

async_hooks_->async_id_fields()[AsyncHooks::kDefaultTriggerAsyncId] =

old_default_trigger_async_id_;

}

Environment* Environment::ForAsyncHooks(AsyncHooks* hooks) {

return ContainerOf(&Environment::async_hooks_, hooks);

}

inline size_t Environment::async_callback_scope_depth() const {

return async_callback_scope_depth_;

}

inline void Environment::PushAsyncCallbackScope() {

async_callback_scope_depth_++;

}

inline void Environment::PopAsyncCallbackScope() {

async_callback_scope_depth_--;

}

inline ImmediateInfo::ImmediateInfo(v8::Isolate* isolate)

: fields_(isolate, kFieldsCount) {}

inline AliasedUint32Array& ImmediateInfo::fields() {

return fields_;

}

inline uint32_t ImmediateInfo::count() const {

return fields_[kCount];

}

inline uint32_t ImmediateInfo::ref_count() const {

return fields_[kRefCount];

}

inline bool ImmediateInfo::has_outstanding() const {

return fields_[kHasOutstanding] == 1;

}

inline void ImmediateInfo::ref_count_inc(uint32_t increment) {

fields_[kRefCount] += increment;

}

inline void ImmediateInfo::ref_count_dec(uint32_t decrement) {

fields_[kRefCount] -= decrement;

}

inline TickInfo::TickInfo(v8::Isolate* isolate)

: fields_(isolate, kFieldsCount) {}

inline AliasedUint8Array& TickInfo::fields() {

return fields_;

}

inline bool TickInfo::has_tick_scheduled() const {

return fields_[kHasTickScheduled] == 1;

}

inline bool TickInfo::has_rejection_to_warn() const {

return fields_[kHasRejectionToWarn] == 1;

}

inline void Environment::AssignToContext(v8::Local<v8::Context> context,

const ContextInfo& info) {

context->SetAlignedPointerInEmbedderData(

ContextEmbedderIndex::kEnvironment, this);

// Used by Environment::GetCurrent to know that we are on a node context.

context->SetAlignedPointerInEmbedderData(

ContextEmbedderIndex::kContextTag, Environment::kNodeContextTagPtr);

#if HAVE_INSPECTOR

inspector_agent()->ContextCreated(context, info);

#endif // HAVE_INSPECTOR

}

inline Environment* Environment::GetCurrent(v8::Isolate* isolate) {

if (UNLIKELY(!isolate->InContext())) return nullptr;

v8::HandleScope handle_scope(isolate);

return GetCurrent(isolate->GetCurrentContext());

}

inline Environment* Environment::GetCurrent(v8::Local<v8::Context> context) {

if (UNLIKELY(context.IsEmpty())) {

return nullptr;

}

if (UNLIKELY(context->GetNumberOfEmbedderDataFields() <=

ContextEmbedderIndex::kContextTag)) {

return nullptr;

}

if (UNLIKELY(context->GetAlignedPointerFromEmbedderData(

ContextEmbedderIndex::kContextTag) !=

Environment::kNodeContextTagPtr)) {

return nullptr;

}

return static_cast<Environment*>(

context->GetAlignedPointerFromEmbedderData(

ContextEmbedderIndex::kEnvironment));

}

inline Environment* Environment::GetCurrent(

const v8::FunctionCallbackInfo<v8::Value>& info) {

return GetFromCallbackData(info.Data());

}

template <typename T>

inline Environment* Environment::GetCurrent(

const v8::PropertyCallbackInfo<T>& info) {

return GetFromCallbackData(info.Data());

}

inline Environment* Environment::GetFromCallbackData(v8::Local<v8::Value> val) {

DCHECK(val->IsObject());

v8::Local<v8::Object> obj = val.As<v8::Object>();

DCHECK_GE(obj->InternalFieldCount(), 1);

Environment* env =

static_cast<Environment*>(obj->GetAlignedPointerFromInternalField(0));

DCHECK(env->as_callback_data_template()->HasInstance(obj));

return env;

}

inline Environment* Environment::GetThreadLocalEnv() {

return static_cast<Environment*>(uv_key_get(&thread_local_env));

}

inline bool Environment::profiler_idle_notifier_started() const {

return profiler_idle_notifier_started_;

}

inline v8::Isolate* Environment::isolate() const {

return isolate_;

}

inline Environment* Environment::from_timer_handle(uv_timer_t* handle) {

return ContainerOf(&Environment::timer_handle_, handle);

}

inline uv_timer_t* Environment::timer_handle() {

return &timer_handle_;

}

inline Environment* Environment::from_immediate_check_handle(

uv_check_t* handle) {

return ContainerOf(&Environment::immediate_check_handle_, handle);

}

inline uv_check_t* Environment::immediate_check_handle() {

return &immediate_check_handle_;

}

inline uv_idle_t* Environment::immediate_idle_handle() {

return &immediate_idle_handle_;

}

inline void Environment::RegisterHandleCleanup(uv_handle_t* handle,

HandleCleanupCb cb,

void* arg) {

handle_cleanup_queue_.push_back(HandleCleanup{handle, cb, arg});

}

template <typename T, typename OnCloseCallback>

inline void Environment::CloseHandle(T* handle, OnCloseCallback callback) {

handle_cleanup_waiting_++;

static_assert(sizeof(T) >= sizeof(uv_handle_t), "T is a libuv handle");

static_assert(offsetof(T, data) == offsetof(uv_handle_t, data),

"T is a libuv handle");

static_assert(offsetof(T, close_cb) == offsetof(uv_handle_t, close_cb),

"T is a libuv handle");

struct CloseData {

Environment* env;

OnCloseCallback callback;

void* original_data;

};

handle->data = new CloseData { this, callback, handle->data };

uv_close(reinterpret_cast<uv_handle_t*>(handle), [](uv_handle_t* handle) {

std::unique_ptr<CloseData> data { static_cast<CloseData*>(handle->data) };

data->env->handle_cleanup_waiting_--;

handle->data = data->original_data;

data->callback(reinterpret_cast<T*>(handle));

});

}

void Environment::IncreaseWaitingRequestCounter() {

request_waiting_++;

}

void Environment::DecreaseWaitingRequestCounter() {

request_waiting_--;

CHECK_GE(request_waiting_, 0);

}

inline uv_loop_t* Environment::event_loop() const {

return isolate_data()->event_loop();

}

inline void Environment::TryLoadAddon(

const char* filename,

int flags,

const std::function<bool(binding::DLib*)>& was_loaded) {

loaded_addons_.emplace_back(filename, flags);

if (!was_loaded(&loaded_addons_.back())) {

loaded_addons_.pop_back();

}

}

#if HAVE_INSPECTOR

inline bool Environment::is_in_inspector_console_call() const {

return is_in_inspector_console_call_;

}

inline void Environment::set_is_in_inspector_console_call(bool value) {

is_in_inspector_console_call_ = value;

}

#endif

inline AsyncHooks* Environment::async_hooks() {

return &async_hooks_;

}

inline ImmediateInfo* Environment::immediate_info() {

return &immediate_info_;

}

inline TickInfo* Environment::tick_info() {

return &tick_info_;

}

inline uint64_t Environment::timer_base() const {

return timer_base_;

}

inline std::shared_ptr<KVStore> Environment::env_vars() {

return env_vars_;

}

inline void Environment::set_env_vars(std::shared_ptr<KVStore> env_vars) {

env_vars_ = env_vars;

}

inline bool Environment::printed_error() const {

return printed_error_;

}

inline void Environment::set_printed_error(bool value) {

printed_error_ = value;

}

inline void Environment::set_trace_sync_io(bool value) {

trace_sync_io_ = value;

}

inline bool Environment::abort_on_uncaught_exception() const {

return options_->abort_on_uncaught_exception;

}

inline void Environment::set_force_context_aware(bool value) {

options_->force_context_aware = value;

}

inline bool Environment::force_context_aware() const {

return options_->force_context_aware;

}

inline void Environment::set_abort_on_uncaught_exception(bool value) {

options_->abort_on_uncaught_exception = value;

}

inline AliasedUint32Array& Environment::should_abort_on_uncaught_toggle() {

return should_abort_on_uncaught_toggle_;

}

inline AliasedInt32Array& Environment::stream_base_state() {

return stream_base_state_;

}

inline uint32_t Environment::get_next_module_id() {

return module_id_counter_++;

}

inline uint32_t Environment::get_next_script_id() {

return script_id_counter_++;

}

inline uint32_t Environment::get_next_function_id() {

return function_id_counter_++;

}

ShouldNotAbortOnUncaughtScope::ShouldNotAbortOnUncaughtScope(

Environment* env)

: env_(env) {

env_->PushShouldNotAbortOnUncaughtScope();

}

ShouldNotAbortOnUncaughtScope::~ShouldNotAbortOnUncaughtScope() {

Close();

}

void ShouldNotAbortOnUncaughtScope::Close() {

if (env_ != nullptr) {

env_->PopShouldNotAbortOnUncaughtScope();

env_ = nullptr;

}

}

inline void Environment::PushShouldNotAbortOnUncaughtScope() {

should_not_abort_scope_counter_++;

}

inline void Environment::PopShouldNotAbortOnUncaughtScope() {

should_not_abort_scope_counter_--;

}

inline bool Environment::inside_should_not_abort_on_uncaught_scope() const {

return should_not_abort_scope_counter_ > 0;

}

inline std::vector<double>* Environment::destroy_async_id_list() {

return &destroy_async_id_list_;

}

inline double Environment::new_async_id() {

async_hooks()->async_id_fields()[AsyncHooks::kAsyncIdCounter] += 1;

return async_hooks()->async_id_fields()[AsyncHooks::kAsyncIdCounter];

}

inline double Environment::execution_async_id() {

return async_hooks()->async_id_fields()[AsyncHooks::kExecutionAsyncId];

}

inline double Environment::trigger_async_id() {

return async_hooks()->async_id_fields()[AsyncHooks::kTriggerAsyncId];

}

inline double Environment::get_default_trigger_async_id() {

double default_trigger_async_id =

async_hooks()->async_id_fields()[AsyncHooks::kDefaultTriggerAsyncId];

// If defaultTriggerAsyncId isn't set, use the executionAsyncId

if (default_trigger_async_id < 0)

default_trigger_async_id = execution_async_id();

return default_trigger_async_id;

}

inline double* Environment::heap_statistics_buffer() const {

CHECK_NOT_NULL(heap_statistics_buffer_);

return heap_statistics_buffer_;

}

inline void Environment::set_heap_statistics_buffer(double* pointer) {

CHECK_NULL(heap_statistics_buffer_); // Should be set only once.

heap_statistics_buffer_ = pointer;

}

inline double* Environment::heap_space_statistics_buffer() const {

CHECK_NOT_NULL(heap_space_statistics_buffer_);

return heap_space_statistics_buffer_;

}

inline void Environment::set_heap_space_statistics_buffer(double* pointer) {

CHECK_NULL(heap_space_statistics_buffer_); // Should be set only once.

heap_space_statistics_buffer_ = pointer;

}

inline double* Environment::heap_code_statistics_buffer() const {

CHECK_NOT_NULL(heap_code_statistics_buffer_);

return heap_code_statistics_buffer_;

}

inline void Environment::set_heap_code_statistics_buffer(double* pointer) {

CHECK_NULL(heap_code_statistics_buffer_); // Should be set only once.

heap_code_statistics_buffer_ = pointer;

}

inline char* Environment::http_parser_buffer() const {

return http_parser_buffer_;

}

inline void Environment::set_http_parser_buffer(char* buffer) {

CHECK_NULL(http_parser_buffer_); // Should be set only once.

http_parser_buffer_ = buffer;

}

inline bool Environment::http_parser_buffer_in_use() const {

return http_parser_buffer_in_use_;

}

inline void Environment::set_http_parser_buffer_in_use(bool in_use) {

http_parser_buffer_in_use_ = in_use;

}

inline http2::Http2State* Environment::http2_state() const {

return http2_state_.get();

}

inline void Environment::set_http2_state(

std::unique_ptr<http2::Http2State> buffer) {

CHECK(!http2_state_); // Should be set only once.

http2_state_ = std::move(buffer);

}

inline AliasedFloat64Array* Environment::fs_stats_field_array() {

return &fs_stats_field_array_;

}

inline AliasedBigUint64Array* Environment::fs_stats_field_bigint_array() {

return &fs_stats_field_bigint_array_;

}

inline std::vector<std::unique_ptr<fs::FileHandleReadWrap>>&

Environment::file_handle_read_wrap_freelist() {

return file_handle_read_wrap_freelist_;

}

inline std::shared_ptr<EnvironmentOptions> Environment::options() {

return options_;

}

inline const std::vector<std::string>& Environment::argv() {

return argv_;

}

inline const std::vector<std::string>& Environment::exec_argv() {

return exec_argv_;

}

inline const std::string& Environment::exec_path() const {

return exec_path_;

}

#if HAVE_INSPECTOR

inline void Environment::set_coverage_directory(const char* dir) {

coverage_directory_ = std::string(dir);

}

inline void Environment::set_coverage_connection(

std::unique_ptr<profiler::V8CoverageConnection> connection) {

CHECK_NULL(coverage_connection_);

std::swap(coverage_connection_, connection);

}

inline profiler::V8CoverageConnection* Environment::coverage_connection() {

return coverage_connection_.get();

}

inline const std::string& Environment::coverage_directory() const {

return coverage_directory_;

}

inline void Environment::set_cpu_profiler_connection(

std::unique_ptr<profiler::V8CpuProfilerConnection> connection) {

CHECK_NULL(cpu_profiler_connection_);

std::swap(cpu_profiler_connection_, connection);

}

inline profiler::V8CpuProfilerConnection*

Environment::cpu_profiler_connection() {

return cpu_profiler_connection_.get();

}

inline void Environment::set_cpu_prof_interval(uint64_t interval) {

cpu_prof_interval_ = interval;

}

inline uint64_t Environment::cpu_prof_interval() const {

return cpu_prof_interval_;

}

inline void Environment::set_cpu_prof_name(const std::string& name) {

cpu_prof_name_ = name;

}

inline const std::string& Environment::cpu_prof_name() const {

return cpu_prof_name_;

}

inline void Environment::set_cpu_prof_dir(const std::string& dir) {

cpu_prof_dir_ = dir;

}

inline const std::string& Environment::cpu_prof_dir() const {

return cpu_prof_dir_;

}

inline void Environment::set_heap_profiler_connection(

std::unique_ptr<profiler::V8HeapProfilerConnection> connection) {

CHECK_NULL(heap_profiler_connection_);

std::swap(heap_profiler_connection_, connection);

}

inline profiler::V8HeapProfilerConnection*

Environment::heap_profiler_connection() {

return heap_profiler_connection_.get();

}

inline void Environment::set_heap_prof_name(const std::string& name) {

heap_prof_name_ = name;

}

inline const std::string& Environment::heap_prof_name() const {

return heap_prof_name_;

}

inline void Environment::set_heap_prof_dir(const std::string& dir) {

heap_prof_dir_ = dir;

}

inline const std::string& Environment::heap_prof_dir() const {

return heap_prof_dir_;

}

inline void Environment::set_heap_prof_interval(uint64_t interval) {

heap_prof_interval_ = interval;

}

inline uint64_t Environment::heap_prof_interval() const {

return heap_prof_interval_;

}

#endif // HAVE_INSPECTOR

inline

std::shared_ptr<ExclusiveAccess<HostPort>> Environment::inspector_host_port() {

return inspector_host_port_;

}

inline std::shared_ptr<PerIsolateOptions> IsolateData::options() {

return options_;

}

inline void IsolateData::set_options(

std::shared_ptr<PerIsolateOptions> options) {

options_ = std::move(options);

}

template <typename Fn>

void Environment::SetImmediate(Fn&& cb, CallbackFlags::Flags flags) {

auto callback = native_immediates_.CreateCallback(std::move(cb), flags);

native_immediates_.Push(std::move(callback));

if (flags & CallbackFlags::kRefed) {

if (immediate_info()->ref_count() == 0)

ToggleImmediateRef(true);

immediate_info()->ref_count_inc(1);

}

}

template <typename Fn>

void Environment::SetImmediateThreadsafe(Fn&& cb, CallbackFlags::Flags flags) {

auto callback = native_immediates_threadsafe_.CreateCallback(

std::move(cb), flags);

{

Mutex::ScopedLock lock(native_immediates_threadsafe_mutex_);

native_immediates_threadsafe_.Push(std::move(callback));

if (task_queues_async_initialized_)

uv_async_send(&task_queues_async_);

}

}

template <typename Fn>

void Environment::RequestInterrupt(Fn&& cb) {

auto callback = native_immediates_interrupts_.CreateCallback(

std::move(cb), CallbackFlags::kRefed);

{

Mutex::ScopedLock lock(native_immediates_threadsafe_mutex_);

native_immediates_interrupts_.Push(std::move(callback));

if (task_queues_async_initialized_)

uv_async_send(&task_queues_async_);

}

RequestInterruptFromV8();

}

inline bool Environment::can_call_into_js() const {

return can_call_into_js_ && !is_stopping();

}

inline void Environment::set_can_call_into_js(bool can_call_into_js) {

can_call_into_js_ = can_call_into_js;

}

inline bool Environment::has_run_bootstrapping_code() const {

return has_run_bootstrapping_code_;

}

inline void Environment::set_has_run_bootstrapping_code(bool value) {

has_run_bootstrapping_code_ = value;

}

inline bool Environment::has_serialized_options() const {

return has_serialized_options_;

}

inline void Environment::set_has_serialized_options(bool value) {

has_serialized_options_ = value;

}

inline bool Environment::is_main_thread() const {

return worker_context() == nullptr;

}

inline bool Environment::should_not_register_esm_loader() const {

return flags_ & EnvironmentFlags::kNoRegisterESMLoader;

}

inline bool Environment::owns_process_state() const {

return flags_ & EnvironmentFlags::kOwnsProcessState;

}

inline bool Environment::owns_inspector() const {

return flags_ & EnvironmentFlags::kOwnsInspector;

}

inline bool Environment::tracks_unmanaged_fds() const {

return flags_ & EnvironmentFlags::kTrackUnmanagedFds;

}

inline uint64_t Environment::thread_id() const {

return thread_id_;

}

inline worker::Worker* Environment::worker_context() const {

return isolate_data()->worker_context();

}

inline void Environment::add_sub_worker_context(worker::Worker* context) {

sub_worker_contexts_.insert(context);

}

inline void Environment::remove_sub_worker_context(worker::Worker* context) {

sub_worker_contexts_.erase(context);

}

template <typename Fn>

inline void Environment::ForEachWorker(Fn&& iterator) {

for (worker::Worker* w : sub_worker_contexts_) iterator(w);

}

inline void Environment::add_refs(int64_t diff) {

task_queues_async_refs_ += diff;

CHECK_GE(task_queues_async_refs_, 0);

if (task_queues_async_refs_ == 0)

uv_unref(reinterpret_cast<uv_handle_t*>(&task_queues_async_));

else

uv_ref(reinterpret_cast<uv_handle_t*>(&task_queues_async_));

}

inline bool Environment::is_stopping() const {

return is_stopping_.load();

}

inline void Environment::set_stopping(bool value) {

is_stopping_.store(value);

}

inline std::list<node_module>* Environment::extra_linked_bindings() {

return &extra_linked_bindings_;

}

inline node_module* Environment::extra_linked_bindings_head() {

return extra_linked_bindings_.size() > 0 ?

&extra_linked_bindings_.front() : nullptr;

}

inline const Mutex& Environment::extra_linked_bindings_mutex() const {

return extra_linked_bindings_mutex_;

}

inline performance::PerformanceState* Environment::performance_state() {

return performance_state_.get();

}

inline std::unordered_map<std::string, uint64_t>*

Environment::performance_marks() {

return &performance_marks_;

}

inline IsolateData* Environment::isolate_data() const {

return isolate_data_;

}

inline char* Environment::AllocateUnchecked(size_t size) {

return static_cast<char*>(

isolate_data()->allocator()->AllocateUninitialized(size));

}

inline char* Environment::Allocate(size_t size) {

char* ret = AllocateUnchecked(size);

CHECK_NE(ret, nullptr);

return ret;

}

inline void Environment::Free(char* data, size_t size) {

if (data != nullptr)

isolate_data()->allocator()->Free(data, size);

}

inline AllocatedBuffer Environment::AllocateManaged(size_t size, bool checked) {

char* data = checked ? Allocate(size) : AllocateUnchecked(size);

if (data == nullptr) size = 0;

return AllocatedBuffer(this, uv_buf_init(data, size));

}

inline AllocatedBuffer::AllocatedBuffer(Environment* env, uv_buf_t buf)

: env_(env), buffer_(buf) {}

inline void AllocatedBuffer::Resize(size_t len) {

// The `len` check is to make sure we don't end up with `nullptr` as our base.

char* new_data = env_->Reallocate(buffer_.base, buffer_.len,

len > 0 ? len : 1);

CHECK_NOT_NULL(new_data);

buffer_ = uv_buf_init(new_data, len);

}

inline uv_buf_t AllocatedBuffer::release() {

uv_buf_t ret = buffer_;

buffer_ = uv_buf_init(nullptr, 0);

return ret;

}

inline char* AllocatedBuffer::data() {

return buffer_.base;

}

inline const char* AllocatedBuffer::data() const {

return buffer_.base;

}

inline size_t AllocatedBuffer::size() const {

return buffer_.len;

}

inline AllocatedBuffer::AllocatedBuffer(Environment* env)

: env_(env), buffer_(uv_buf_init(nullptr, 0)) {}

inline AllocatedBuffer::AllocatedBuffer(AllocatedBuffer&& other)

: AllocatedBuffer() {

*this = std::move(other);

}