GCC Code Coverage Report
Directory: ../ Exec Total Coverage
File: /home/iojs/build/workspace/node-test-commit-linux-coverage-daily/nodes/benchmark/out/../src/env-inl.h Lines: 620 629 98.6 %
Date: 2020-11-20 19:51:53 Branches: 99 136 72.8 %

Line Branch Exec Source
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// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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#ifndef SRC_ENV_INL_H_
23
#define SRC_ENV_INL_H_
24
25
#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
26
27
#include "aliased_buffer.h"
28
#include "callback_queue-inl.h"
29
#include "env.h"
30
#include "node.h"
31
#include "util-inl.h"
32
#include "uv.h"
33
#include "v8.h"
34
#include "node_perf_common.h"
35
#include "node_context_data.h"
36
37
#include <cstddef>
38
#include <cstdint>
39
40
#include <utility>
41
42
namespace node {
43
44
inline v8::Isolate* IsolateData::isolate() const {
45
  return isolate_;
46
}
47
48
840944
inline uv_loop_t* IsolateData::event_loop() const {
49
840944
  return event_loop_;
50
}
51
52
654336
inline NodeArrayBufferAllocator* IsolateData::node_allocator() const {
53
654336
  return node_allocator_;
54
}
55
56
27869
inline MultiIsolatePlatform* IsolateData::platform() const {
57
27869
  return platform_;
58
}
59
60
401
inline void IsolateData::set_worker_context(worker::Worker* context) {
61
401
  CHECK_NULL(worker_context_);  // Should be set only once.
62
401
  worker_context_ = context;
63
401
}
64
65
11987
inline worker::Worker* IsolateData::worker_context() const {
66
11987
  return worker_context_;
67
}
68
69
215405
inline v8::Local<v8::String> IsolateData::async_wrap_provider(int index) const {
70
430810
  return async_wrap_providers_[index].Get(isolate_);
71
}
72
73
4380939
inline AliasedUint32Array& AsyncHooks::fields() {
74
4380939
  return fields_;
75
}
76
77
2491504
inline AliasedFloat64Array& AsyncHooks::async_id_fields() {
78
2491504
  return async_id_fields_;
79
}
80
81
438
inline AliasedFloat64Array& AsyncHooks::async_ids_stack() {
82
438
  return async_ids_stack_;
83
}
84
85
1336781
v8::Local<v8::Array> AsyncHooks::js_execution_async_resources() {
86
2673562
  if (UNLIKELY(js_execution_async_resources_.IsEmpty())) {
87
438
    js_execution_async_resources_.Reset(
88
876
        env()->isolate(), v8::Array::New(env()->isolate()));
89
  }
90
1336781
  return PersistentToLocal::Strong(js_execution_async_resources_);
91
}
92
93
278
v8::Local<v8::Object> AsyncHooks::native_execution_async_resource(size_t i) {
94
278
  if (i >= native_execution_async_resources_.size()) return {};
95
278
  return PersistentToLocal::Strong(native_execution_async_resources_[i]);
96
}
97
98
214917
inline v8::Local<v8::String> AsyncHooks::provider_string(int idx) {
99
214917
  return env()->isolate_data()->async_wrap_provider(idx);
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}
101
102
1
inline void AsyncHooks::no_force_checks() {
103
1
  fields_[kCheck] -= 1;
104
1
}
105
106
1814050
inline Environment* AsyncHooks::env() {
107
1814050
  return Environment::ForAsyncHooks(this);
108
}
109
110
// Remember to keep this code aligned with pushAsyncContext() in JS.
111
1252362
inline void AsyncHooks::push_async_context(double async_id,
112
                                           double trigger_async_id,
113
                                           v8::Local<v8::Object> resource) {
114
  // Since async_hooks is experimental, do only perform the check
115
  // when async_hooks is enabled.
116
1252362
  if (fields_[kCheck] > 0) {
117
1252317
    CHECK_GE(async_id, -1);
118
1252317
    CHECK_GE(trigger_async_id, -1);
119
  }
120
121
1252342
  uint32_t offset = fields_[kStackLength];
122
1252314
  if (offset * 2 >= async_ids_stack_.Length())
123
10
    grow_async_ids_stack();
124
1252310
  async_ids_stack_[2 * offset] = async_id_fields_[kExecutionAsyncId];
125
1252290
  async_ids_stack_[2 * offset + 1] = async_id_fields_[kTriggerAsyncId];
126
1252328
  fields_[kStackLength] += 1;
127
1252321
  async_id_fields_[kExecutionAsyncId] = async_id;
128
1252333
  async_id_fields_[kTriggerAsyncId] = trigger_async_id;
129
130
#ifdef DEBUG
131
  for (uint32_t i = offset; i < native_execution_async_resources_.size(); i++)
132
    CHECK(native_execution_async_resources_[i].IsEmpty());
133
#endif
134
135
  // When this call comes from JS (as a way of increasing the stack size),
136
  // `resource` will be empty, because JS caches these values anyway, and
137
  // we should avoid creating strong global references that might keep
138
  // these JS resource objects alive longer than necessary.
139
1252319
  if (!resource.IsEmpty()) {
140
1252311
    native_execution_async_resources_.resize(offset + 1);
141
1252259
    native_execution_async_resources_[offset].Reset(env()->isolate(), resource);
142
  }
143
1252367
}
144
145
// Remember to keep this code aligned with popAsyncContext() in JS.
146
1251866
inline bool AsyncHooks::pop_async_context(double async_id) {
147
  // In case of an exception then this may have already been reset, if the
148
  // stack was multiple MakeCallback()'s deep.
149
1251866
  if (fields_[kStackLength] == 0) return false;
150
151
  // Ask for the async_id to be restored as a check that the stack
152
  // hasn't been corrupted.
153
  // Since async_hooks is experimental, do only perform the check
154
  // when async_hooks is enabled.
155

1250811
  if (fields_[kCheck] > 0 && async_id_fields_[kExecutionAsyncId] != async_id) {
156
4
    fprintf(stderr,
157
            "Error: async hook stack has become corrupted ("
158
            "actual: %.f, expected: %.f)\n",
159
            async_id_fields_.GetValue(kExecutionAsyncId),
160
4
            async_id);
161
4
    DumpBacktrace(stderr);
162
4
    fflush(stderr);
163
4
    if (!env()->abort_on_uncaught_exception())
164
4
      exit(1);
165
    fprintf(stderr, "\n");
166
    fflush(stderr);
167
    ABORT_NO_BACKTRACE();
168
  }
169
170
1250805
  uint32_t offset = fields_[kStackLength] - 1;
171
1250788
  async_id_fields_[kExecutionAsyncId] = async_ids_stack_[2 * offset];
172
1250839
  async_id_fields_[kTriggerAsyncId] = async_ids_stack_[2 * offset + 1];
173
1250831
  fields_[kStackLength] = offset;
174
175

2501682
  if (LIKELY(offset < native_execution_async_resources_.size() &&
176
             !native_execution_async_resources_[offset].IsEmpty())) {
177
#ifdef DEBUG
178
    for (uint32_t i = offset + 1;
179
         i < native_execution_async_resources_.size();
180
         i++) {
181
      CHECK(native_execution_async_resources_[i].IsEmpty());
182
    }
183
#endif
184
1250831
    native_execution_async_resources_.resize(offset);
185
2501768
    if (native_execution_async_resources_.size() <
186

1475987
            native_execution_async_resources_.capacity() / 2 &&
187
225100
        native_execution_async_resources_.size() > 16) {
188
      native_execution_async_resources_.shrink_to_fit();
189
    }
190
  }
191
192
2501728
  if (UNLIKELY(js_execution_async_resources()->Length() > offset)) {
193
170966
    v8::HandleScope handle_scope(env()->isolate());
194
256449
    USE(js_execution_async_resources()->Set(
195
        env()->context(),
196
        env()->length_string(),
197
427415
        v8::Integer::NewFromUnsigned(env()->isolate(), offset)));
198
  }
199
200
1250863
  return fields_[kStackLength] > 0;
201
}
202
203
1710
void AsyncHooks::clear_async_id_stack() {
204
1710
  v8::Isolate* isolate = env()->isolate();
205
3420
  v8::HandleScope handle_scope(isolate);
206
3420
  if (!js_execution_async_resources_.IsEmpty()) {
207
3816
    USE(PersistentToLocal::Strong(js_execution_async_resources_)->Set(
208
        env()->context(),
209
        env()->length_string(),
210
6360
        v8::Integer::NewFromUnsigned(isolate, 0)));
211
  }
212
1710
  native_execution_async_resources_.clear();
213
1710
  native_execution_async_resources_.shrink_to_fit();
214
215
1710
  async_id_fields_[kExecutionAsyncId] = 0;
216
1710
  async_id_fields_[kTriggerAsyncId] = 0;
217
1710
  fields_[kStackLength] = 0;
218
1710
}
219
220
// The DefaultTriggerAsyncIdScope(AsyncWrap*) constructor is defined in
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// async_wrap-inl.h to avoid a circular dependency.
222
223
511169
inline AsyncHooks::DefaultTriggerAsyncIdScope ::DefaultTriggerAsyncIdScope(
224
511169
    Environment* env, double default_trigger_async_id)
225
511169
    : async_hooks_(env->async_hooks()) {
226
511169
  if (env->async_hooks()->fields()[AsyncHooks::kCheck] > 0) {
227
511169
    CHECK_GE(default_trigger_async_id, 0);
228
  }
229
230
511169
  old_default_trigger_async_id_ =
231
1022338
    async_hooks_->async_id_fields()[AsyncHooks::kDefaultTriggerAsyncId];
232
511169
  async_hooks_->async_id_fields()[AsyncHooks::kDefaultTriggerAsyncId] =
233
511169
    default_trigger_async_id;
234
511169
}
235
236
1022336
inline AsyncHooks::DefaultTriggerAsyncIdScope ::~DefaultTriggerAsyncIdScope() {
237
511168
  async_hooks_->async_id_fields()[AsyncHooks::kDefaultTriggerAsyncId] =
238
1022336
    old_default_trigger_async_id_;
239
511168
}
240
241
1814005
Environment* Environment::ForAsyncHooks(AsyncHooks* hooks) {
242
1814005
  return ContainerOf(&Environment::async_hooks_, hooks);
243
}
244
245
1241251
inline size_t Environment::async_callback_scope_depth() const {
246
1241251
  return async_callback_scope_depth_;
247
}
248
249
1251721
inline void Environment::PushAsyncCallbackScope() {
250
1251721
  async_callback_scope_depth_++;
251
1251721
}
252
253
1251198
inline void Environment::PopAsyncCallbackScope() {
254
1251198
  async_callback_scope_depth_--;
255
1251198
}
256
257
438
inline AliasedUint32Array& ImmediateInfo::fields() {
258
438
  return fields_;
259
}
260
261
475564
inline uint32_t ImmediateInfo::count() const {
262
475564
  return fields_[kCount];
263
}
264
265
622706
inline uint32_t ImmediateInfo::ref_count() const {
266
622706
  return fields_[kRefCount];
267
}
268
269
101638
inline bool ImmediateInfo::has_outstanding() const {
270
101638
  return fields_[kHasOutstanding] == 1;
271
}
272
273
33351
inline void ImmediateInfo::ref_count_inc(uint32_t increment) {
274
33351
  fields_[kRefCount] += increment;
275
33351
}
276
277
488656
inline void ImmediateInfo::ref_count_dec(uint32_t decrement) {
278
488656
  fields_[kRefCount] -= decrement;
279
488657
}
280
281
438
inline AliasedUint8Array& TickInfo::fields() {
282
438
  return fields_;
283
}
284
285
2318446
inline bool TickInfo::has_tick_scheduled() const {
286
2318446
  return fields_[kHasTickScheduled] == 1;
287
}
288
289
749030
inline bool TickInfo::has_rejection_to_warn() const {
290
749030
  return fields_[kHasRejectionToWarn] == 1;
291
}
292
293
5551
inline void Environment::AssignToContext(v8::Local<v8::Context> context,
294
                                         const ContextInfo& info) {
295
5551
  context->SetAlignedPointerInEmbedderData(
296
5551
      ContextEmbedderIndex::kEnvironment, this);
297
  // Used by Environment::GetCurrent to know that we are on a node context.
298
11102
  context->SetAlignedPointerInEmbedderData(
299
5551
    ContextEmbedderIndex::kContextTag, Environment::kNodeContextTagPtr);
300
  // Used to retrieve bindings
301
5551
  context->SetAlignedPointerInEmbedderData(
302
11102
      ContextEmbedderIndex::kBindingListIndex, &(this->bindings_));
303
304
#if HAVE_INSPECTOR
305
5551
  inspector_agent()->ContextCreated(context, info);
306
#endif  // HAVE_INSPECTOR
307
5551
}
308
309
1283656
inline Environment* Environment::GetCurrent(v8::Isolate* isolate) {
310
1283656
  if (UNLIKELY(!isolate->InContext())) return nullptr;
311
2564060
  v8::HandleScope handle_scope(isolate);
312
1282064
  return GetCurrent(isolate->GetCurrentContext());
313
}
314
315
6162996
inline Environment* Environment::GetCurrent(v8::Local<v8::Context> context) {
316
6162996
  if (UNLIKELY(context.IsEmpty())) {
317
1
    return nullptr;
318
  }
319
6162995
  if (UNLIKELY(context->GetNumberOfEmbedderDataFields() <=
320
               ContextEmbedderIndex::kContextTag)) {
321
11
    return nullptr;
322
  }
323
12326200
  if (UNLIKELY(context->GetAlignedPointerFromEmbedderData(
324
                   ContextEmbedderIndex::kContextTag) !=
325
               Environment::kNodeContextTagPtr)) {
326
    return nullptr;
327
  }
328
  return static_cast<Environment*>(
329
6163100
      context->GetAlignedPointerFromEmbedderData(
330
6163100
          ContextEmbedderIndex::kEnvironment));
331
}
332
333
3221228
inline Environment* Environment::GetCurrent(
334
    const v8::FunctionCallbackInfo<v8::Value>& info) {
335
3221228
  return GetCurrent(info.GetIsolate()->GetCurrentContext());
336
}
337
338
template <typename T>
339
1266403
inline Environment* Environment::GetCurrent(
340
    const v8::PropertyCallbackInfo<T>& info) {
341
1266403
  return GetCurrent(info.GetIsolate()->GetCurrentContext());
342
}
343
344
template <typename T, typename U>
345
inline T* Environment::GetBindingData(const v8::PropertyCallbackInfo<U>& info) {
346
  return GetBindingData<T>(info.GetIsolate()->GetCurrentContext());
347
}
348
349
template <typename T>
350
663726
inline T* Environment::GetBindingData(
351
    const v8::FunctionCallbackInfo<v8::Value>& info) {
352
663726
  return GetBindingData<T>(info.GetIsolate()->GetCurrentContext());
353
}
354
355
template <typename T>
356
663728
inline T* Environment::GetBindingData(v8::Local<v8::Context> context) {
357
  BindingDataStore* map = static_cast<BindingDataStore*>(
358
663728
      context->GetAlignedPointerFromEmbedderData(
359
663728
          ContextEmbedderIndex::kBindingListIndex));
360
  DCHECK_NOT_NULL(map);
361
663728
  auto it = map->find(T::binding_data_name);
362
663727
  if (UNLIKELY(it == map->end())) return nullptr;
363
663727
  T* result = static_cast<T*>(it->second.get());
364
  DCHECK_NOT_NULL(result);
365
  DCHECK_EQ(result->env(), GetCurrent(context));
366
663727
  return result;
367
}
368
369
template <typename T>
370
6609
inline T* Environment::AddBindingData(
371
    v8::Local<v8::Context> context,
372
    v8::Local<v8::Object> target) {
373
  DCHECK_EQ(GetCurrent(context), this);
374
  // This won't compile if T is not a BaseObject subclass.
375
13218
  BaseObjectPtr<T> item = MakeDetachedBaseObject<T>(this, target);
376
  BindingDataStore* map = static_cast<BindingDataStore*>(
377
6609
      context->GetAlignedPointerFromEmbedderData(
378
6609
          ContextEmbedderIndex::kBindingListIndex));
379
  DCHECK_NOT_NULL(map);
380
6609
  auto result = map->emplace(T::binding_data_name, item);
381
6609
  CHECK(result.second);
382
  DCHECK_EQ(GetBindingData<T>(context), item.get());
383
13218
  return item.get();
384
}
385
386
28536283
inline v8::Isolate* Environment::isolate() const {
387
28536283
  return isolate_;
388
}
389
390
5225
inline Environment* Environment::from_timer_handle(uv_timer_t* handle) {
391
5225
  return ContainerOf(&Environment::timer_handle_, handle);
392
}
393
394
22604
inline uv_timer_t* Environment::timer_handle() {
395
22604
  return &timer_handle_;
396
}
397
398
475565
inline Environment* Environment::from_immediate_check_handle(
399
    uv_check_t* handle) {
400
475565
  return ContainerOf(&Environment::immediate_check_handle_, handle);
401
}
402
403
19992
inline uv_check_t* Environment::immediate_check_handle() {
404
19992
  return &immediate_check_handle_;
405
}
406
407
517248
inline uv_idle_t* Environment::immediate_idle_handle() {
408
517248
  return &immediate_idle_handle_;
409
}
410
411
19992
inline void Environment::RegisterHandleCleanup(uv_handle_t* handle,
412
                                               HandleCleanupCb cb,
413
                                               void* arg) {
414
19992
  handle_cleanup_queue_.push_back(HandleCleanup{handle, cb, arg});
415
19992
}
416
417
template <typename T, typename OnCloseCallback>
418
21923
inline void Environment::CloseHandle(T* handle, OnCloseCallback callback) {
419
21923
  handle_cleanup_waiting_++;
420
  static_assert(sizeof(T) >= sizeof(uv_handle_t), "T is a libuv handle");
421
  static_assert(offsetof(T, data) == offsetof(uv_handle_t, data),
422
                "T is a libuv handle");
423
  static_assert(offsetof(T, close_cb) == offsetof(uv_handle_t, close_cb),
424
                "T is a libuv handle");
425
  struct CloseData {
426
    Environment* env;
427
    OnCloseCallback callback;
428
    void* original_data;
429
  };
430
21923
  handle->data = new CloseData { this, callback, handle->data };
431
87694
  uv_close(reinterpret_cast<uv_handle_t*>(handle), [](uv_handle_t* handle) {
432
43846
    std::unique_ptr<CloseData> data { static_cast<CloseData*>(handle->data) };
433
21923
    data->env->handle_cleanup_waiting_--;
434
21923
    handle->data = data->original_data;
435
21922
    data->callback(reinterpret_cast<T*>(handle));
436
21923
  });
437
21923
}
438
439
82921
void Environment::IncreaseWaitingRequestCounter() {
440
82921
  request_waiting_++;
441
82921
}
442
443
82915
void Environment::DecreaseWaitingRequestCounter() {
444
82915
  request_waiting_--;
445
82915
  CHECK_GE(request_waiting_, 0);
446
82915
}
447
448
835911
inline uv_loop_t* Environment::event_loop() const {
449
835911
  return isolate_data()->event_loop();
450
}
451
452
160
inline void Environment::TryLoadAddon(
453
    const char* filename,
454
    int flags,
455
    const std::function<bool(binding::DLib*)>& was_loaded) {
456
160
  loaded_addons_.emplace_back(filename, flags);
457
160
  if (!was_loaded(&loaded_addons_.back())) {
458
8
    loaded_addons_.pop_back();
459
  }
460
160
}
461
462
#if HAVE_INSPECTOR
463
17432
inline bool Environment::is_in_inspector_console_call() const {
464
17432
  return is_in_inspector_console_call_;
465
}
466
467
34862
inline void Environment::set_is_in_inspector_console_call(bool value) {
468
34862
  is_in_inspector_console_call_ = value;
469
34862
}
470
#endif
471
472
7196110
inline AsyncHooks* Environment::async_hooks() {
473
7196110
  return &async_hooks_;
474
}
475
476
1722350
inline ImmediateInfo* Environment::immediate_info() {
477
1722350
  return &immediate_info_;
478
}
479
480
1159718
inline TickInfo* Environment::tick_info() {
481
1159718
  return &tick_info_;
482
}
483
484
50872
inline uint64_t Environment::timer_base() const {
485
50872
  return timer_base_;
486
}
487
488
1279299
inline std::shared_ptr<KVStore> Environment::env_vars() {
489
1279299
  return env_vars_;
490
}
491
492
5417
inline void Environment::set_env_vars(std::shared_ptr<KVStore> env_vars) {
493
5417
  env_vars_ = env_vars;
494
5417
}
495
496
17
inline bool Environment::printed_error() const {
497
17
  return printed_error_;
498
}
499
500
17
inline void Environment::set_printed_error(bool value) {
501
17
  printed_error_ = value;
502
17
}
503
504
9024
inline void Environment::set_trace_sync_io(bool value) {
505
9024
  trace_sync_io_ = value;
506
9024
}
507
508
80
inline bool Environment::abort_on_uncaught_exception() const {
509
80
  return options_->abort_on_uncaught_exception;
510
}
511
512
inline void Environment::set_force_context_aware(bool value) {
513
  options_->force_context_aware = value;
514
}
515
516
42
inline bool Environment::force_context_aware() const {
517
42
  return options_->force_context_aware;
518
}
519
520
389
inline void Environment::set_abort_on_uncaught_exception(bool value) {
521
389
  options_->abort_on_uncaught_exception = value;
522
389
}
523
524
468
inline AliasedUint32Array& Environment::should_abort_on_uncaught_toggle() {
525
468
  return should_abort_on_uncaught_toggle_;
526
}
527
528
1292410
inline AliasedInt32Array& Environment::stream_base_state() {
529
1292410
  return stream_base_state_;
530
}
531
532
33583
inline uint32_t Environment::get_next_module_id() {
533
33583
  return module_id_counter_++;
534
}
535
1968
inline uint32_t Environment::get_next_script_id() {
536
1968
  return script_id_counter_++;
537
}
538
30585
inline uint32_t Environment::get_next_function_id() {
539
30585
  return function_id_counter_++;
540
}
541
542
68892
ShouldNotAbortOnUncaughtScope::ShouldNotAbortOnUncaughtScope(
543
68892
    Environment* env)
544
68892
    : env_(env) {
545
68892
  env_->PushShouldNotAbortOnUncaughtScope();
546
68892
}
547
548
137782
ShouldNotAbortOnUncaughtScope::~ShouldNotAbortOnUncaughtScope() {
549
68891
  Close();
550
68891
}
551
552
69075
void ShouldNotAbortOnUncaughtScope::Close() {
553
69075
  if (env_ != nullptr) {
554
68891
    env_->PopShouldNotAbortOnUncaughtScope();
555
68891
    env_ = nullptr;
556
  }
557
69075
}
558
559
68892
inline void Environment::PushShouldNotAbortOnUncaughtScope() {
560
68892
  should_not_abort_scope_counter_++;
561
68892
}
562
563
68891
inline void Environment::PopShouldNotAbortOnUncaughtScope() {
564
68891
  should_not_abort_scope_counter_--;
565
68891
}
566
567
1
inline bool Environment::inside_should_not_abort_on_uncaught_scope() const {
568
1
  return should_not_abort_scope_counter_ > 0;
569
}
570
571
371567
inline std::vector<double>* Environment::destroy_async_id_list() {
572
371567
  return &destroy_async_id_list_;
573
}
574
575
215503
inline double Environment::new_async_id() {
576
215503
  async_hooks()->async_id_fields()[AsyncHooks::kAsyncIdCounter] += 1;
577
215503
  return async_hooks()->async_id_fields()[AsyncHooks::kAsyncIdCounter];
578
}
579
580
246778
inline double Environment::execution_async_id() {
581
246778
  return async_hooks()->async_id_fields()[AsyncHooks::kExecutionAsyncId];
582
}
583
584
64276
inline double Environment::trigger_async_id() {
585
64276
  return async_hooks()->async_id_fields()[AsyncHooks::kTriggerAsyncId];
586
}
587
588
215500
inline double Environment::get_default_trigger_async_id() {
589
  double default_trigger_async_id =
590
215500
    async_hooks()->async_id_fields()[AsyncHooks::kDefaultTriggerAsyncId];
591
  // If defaultTriggerAsyncId isn't set, use the executionAsyncId
592
215500
  if (default_trigger_async_id < 0)
593
171809
    default_trigger_async_id = execution_async_id();
594
215500
  return default_trigger_async_id;
595
}
596
597
56838
inline std::shared_ptr<EnvironmentOptions> Environment::options() {
598
56838
  return options_;
599
}
600
601
14513
inline const std::vector<std::string>& Environment::argv() {
602
14513
  return argv_;
603
}
604
605
5531
inline const std::vector<std::string>& Environment::exec_argv() {
606
5531
  return exec_argv_;
607
}
608
609
9996
inline const std::string& Environment::exec_path() const {
610
9996
  return exec_path_;
611
}
612
613
11
inline std::string Environment::GetCwd() {
614
  char cwd[PATH_MAX_BYTES];
615
11
  size_t size = PATH_MAX_BYTES;
616
11
  const int err = uv_cwd(cwd, &size);
617
618
11
  if (err == 0) {
619
11
    CHECK_GT(size, 0);
620
11
    return cwd;
621
  }
622
623
  // This can fail if the cwd is deleted. In that case, fall back to
624
  // exec_path.
625
  const std::string& exec_path = exec_path_;
626
  return exec_path.substr(0, exec_path.find_last_of(kPathSeparator));
627
}
628
629
#if HAVE_INSPECTOR
630
4992
inline void Environment::set_coverage_directory(const char* dir) {
631
4992
  coverage_directory_ = std::string(dir);
632
4992
}
633
634
5013
inline void Environment::set_coverage_connection(
635
    std::unique_ptr<profiler::V8CoverageConnection> connection) {
636
5013
  CHECK_NULL(coverage_connection_);
637
5012
  std::swap(coverage_connection_, connection);
638
5013
}
639
640
15040
inline profiler::V8CoverageConnection* Environment::coverage_connection() {
641
15040
  return coverage_connection_.get();
642
}
643
644
4980
inline const std::string& Environment::coverage_directory() const {
645
4980
  return coverage_directory_;
646
}
647
648
12
inline void Environment::set_cpu_profiler_connection(
649
    std::unique_ptr<profiler::V8CpuProfilerConnection> connection) {
650
12
  CHECK_NULL(cpu_profiler_connection_);
651
12
  std::swap(cpu_profiler_connection_, connection);
652
12
}
653
654
inline profiler::V8CpuProfilerConnection*
655
5031
Environment::cpu_profiler_connection() {
656
5031
  return cpu_profiler_connection_.get();
657
}
658
659
12
inline void Environment::set_cpu_prof_interval(uint64_t interval) {
660
12
  cpu_prof_interval_ = interval;
661
12
}
662
663
12
inline uint64_t Environment::cpu_prof_interval() const {
664
12
  return cpu_prof_interval_;
665
}
666
667
12
inline void Environment::set_cpu_prof_name(const std::string& name) {
668
12
  cpu_prof_name_ = name;
669
12
}
670
671
12
inline const std::string& Environment::cpu_prof_name() const {
672
12
  return cpu_prof_name_;
673
}
674
675
12
inline void Environment::set_cpu_prof_dir(const std::string& dir) {
676
12
  cpu_prof_dir_ = dir;
677
12
}
678
679
12
inline const std::string& Environment::cpu_prof_dir() const {
680
12
  return cpu_prof_dir_;
681
}
682
683
12
inline void Environment::set_heap_profiler_connection(
684
    std::unique_ptr<profiler::V8HeapProfilerConnection> connection) {
685
12
  CHECK_NULL(heap_profiler_connection_);
686
12
  std::swap(heap_profiler_connection_, connection);
687
12
}
688
689
inline profiler::V8HeapProfilerConnection*
690
5019
Environment::heap_profiler_connection() {
691
5019
  return heap_profiler_connection_.get();
692
}
693
694
12
inline void Environment::set_heap_prof_name(const std::string& name) {
695
12
  heap_prof_name_ = name;
696
12
}
697
698
12
inline const std::string& Environment::heap_prof_name() const {
699
12
  return heap_prof_name_;
700
}
701
702
12
inline void Environment::set_heap_prof_dir(const std::string& dir) {
703
12
  heap_prof_dir_ = dir;
704
12
}
705
706
12
inline const std::string& Environment::heap_prof_dir() const {
707
12
  return heap_prof_dir_;
708
}
709
710
12
inline void Environment::set_heap_prof_interval(uint64_t interval) {
711
12
  heap_prof_interval_ = interval;
712
12
}
713
714
12
inline uint64_t Environment::heap_prof_interval() const {
715
12
  return heap_prof_interval_;
716
}
717
718
#endif  // HAVE_INSPECTOR
719
720
inline
721
10154
std::shared_ptr<ExclusiveAccess<HostPort>> Environment::inspector_host_port() {
722
10154
  return inspector_host_port_;
723
}
724
725
68799
inline std::shared_ptr<PerIsolateOptions> IsolateData::options() {
726
68799
  return options_;
727
}
728
729
100
inline void IsolateData::set_options(
730
    std::shared_ptr<PerIsolateOptions> options) {
731
100
  options_ = std::move(options);
732
100
}
733
734
template <typename Fn>
735
55624
void Environment::SetImmediate(Fn&& cb, CallbackFlags::Flags flags) {
736
111248
  auto callback = native_immediates_.CreateCallback(std::move(cb), flags);
737
55624
  native_immediates_.Push(std::move(callback));
738
739


55624
  if (flags & CallbackFlags::kRefed) {
740


33351
    if (immediate_info()->ref_count() == 0)
741
25100
      ToggleImmediateRef(true);
742
33351
    immediate_info()->ref_count_inc(1);
743
  }
744
55624
}
745
746
template <typename Fn>
747
1247
void Environment::SetImmediateThreadsafe(Fn&& cb, CallbackFlags::Flags flags) {
748
  auto callback = native_immediates_threadsafe_.CreateCallback(
749
2494
      std::move(cb), flags);
750
  {
751
2492
    Mutex::ScopedLock lock(native_immediates_threadsafe_mutex_);
752
1247
    native_immediates_threadsafe_.Push(std::move(callback));
753

1247
    if (task_queues_async_initialized_)
754
961
      uv_async_send(&task_queues_async_);
755
  }
756
1247
}
757
758
template <typename Fn>
759
8026
void Environment::RequestInterrupt(Fn&& cb) {
760
  auto callback = native_immediates_interrupts_.CreateCallback(
761
16052
      std::move(cb), CallbackFlags::kRefed);
762
  {
763
16051
    Mutex::ScopedLock lock(native_immediates_threadsafe_mutex_);
764
8026
    native_immediates_interrupts_.Push(std::move(callback));
765
8025
    if (task_queues_async_initialized_)
766
2886
      uv_async_send(&task_queues_async_);
767
  }
768
8026
  RequestInterruptFromV8();
769
8026
}
770
771
4430496
inline bool Environment::can_call_into_js() const {
772

4430496
  return can_call_into_js_ && !is_stopping();
773
}
774
775
1035
inline void Environment::set_can_call_into_js(bool can_call_into_js) {
776
1035
  can_call_into_js_ = can_call_into_js;
777
1035
}
778
779
1405613
inline bool Environment::has_run_bootstrapping_code() const {
780
1405613
  return has_run_bootstrapping_code_;
781
}
782
783
5032
inline void Environment::set_has_run_bootstrapping_code(bool value) {
784
5032
  has_run_bootstrapping_code_ = value;
785
5032
}
786
787
19
inline bool Environment::has_serialized_options() const {
788
19
  return has_serialized_options_;
789
}
790
791
4998
inline void Environment::set_has_serialized_options(bool value) {
792
4998
  has_serialized_options_ = value;
793
4998
}
794
795
6617
inline bool Environment::is_main_thread() const {
796
6617
  return worker_context() == nullptr;
797
}
798
799
4998
inline bool Environment::should_not_register_esm_loader() const {
800
4998
  return flags_ & EnvironmentFlags::kNoRegisterESMLoader;
801
}
802
803
12303
inline bool Environment::owns_process_state() const {
804
12303
  return flags_ & EnvironmentFlags::kOwnsProcessState;
805
}
806
807
5023
inline bool Environment::owns_inspector() const {
808
5023
  return flags_ & EnvironmentFlags::kOwnsInspector;
809
}
810
811
102703
inline bool Environment::tracks_unmanaged_fds() const {
812
102703
  return flags_ & EnvironmentFlags::kTrackUnmanagedFds;
813
}
814
815
2
bool Environment::filehandle_close_warning() const {
816
2
  return emit_filehandle_warning_;
817
}
818
819
2
void Environment::set_filehandle_close_warning(bool on) {
820
2
  emit_filehandle_warning_ = on;
821
2
}
822
823
15
void Environment::set_source_maps_enabled(bool on) {
824
15
  source_maps_enabled_ = on;
825
15
}
826
827
904
bool Environment::source_maps_enabled() const {
828
904
  return source_maps_enabled_;
829
}
830
831
5881
inline uint64_t Environment::thread_id() const {
832
5881
  return thread_id_;
833
}
834
835
11987
inline worker::Worker* Environment::worker_context() const {
836
11987
  return isolate_data()->worker_context();
837
}
838
839
629
inline void Environment::add_sub_worker_context(worker::Worker* context) {
840
629
  sub_worker_contexts_.insert(context);
841
629
}
842
843
655
inline void Environment::remove_sub_worker_context(worker::Worker* context) {
844
655
  sub_worker_contexts_.erase(context);
845
655
}
846
847
template <typename Fn>
848
22
inline void Environment::ForEachWorker(Fn&& iterator) {
849
22
  for (worker::Worker* w : sub_worker_contexts_) iterator(w);
850
22
}
851
852
1242
inline void Environment::add_refs(int64_t diff) {
853
1242
  task_queues_async_refs_ += diff;
854
1242
  CHECK_GE(task_queues_async_refs_, 0);
855
1242
  if (task_queues_async_refs_ == 0)
856
159
    uv_unref(reinterpret_cast<uv_handle_t*>(&task_queues_async_));
857
  else
858
1083
    uv_ref(reinterpret_cast<uv_handle_t*>(&task_queues_async_));
859
1242
}
860
861
6849041
inline bool Environment::is_stopping() const {
862
6849041
  return is_stopping_.load();
863
}
864
865
4568
inline void Environment::set_stopping(bool value) {
866
4568
  is_stopping_.store(value);
867
4568
}
868
869
3
inline std::list<node_module>* Environment::extra_linked_bindings() {
870
3
  return &extra_linked_bindings_;
871
}
872
873
7
inline node_module* Environment::extra_linked_bindings_head() {
874
10
  return extra_linked_bindings_.size() > 0 ?
875
10
      &extra_linked_bindings_.front() : nullptr;
876
}
877
878
7
inline const Mutex& Environment::extra_linked_bindings_mutex() const {
879
7
  return extra_linked_bindings_mutex_;
880
}
881
882
42788
inline performance::PerformanceState* Environment::performance_state() {
883
42788
  return performance_state_.get();
884
}
885
886
inline std::unordered_map<std::string, uint64_t>*
887
49
    Environment::performance_marks() {
888
49
  return &performance_marks_;
889
}
890
891
5559090
inline IsolateData* Environment::isolate_data() const {
892
5559090
  return isolate_data_;
893
}
894
895
std::unordered_map<char*, std::unique_ptr<v8::BackingStore>>*
896
623096
    Environment::released_allocated_buffers() {
897
623096
  return &released_allocated_buffers_;
898
}
899
900
7
inline void Environment::ThrowError(const char* errmsg) {
901
7
  ThrowError(v8::Exception::Error, errmsg);
902
7
}
903
904
inline void Environment::ThrowTypeError(const char* errmsg) {
905
  ThrowError(v8::Exception::TypeError, errmsg);
906
}
907
908
inline void Environment::ThrowRangeError(const char* errmsg) {
909
  ThrowError(v8::Exception::RangeError, errmsg);
910
}
911
912
7
inline void Environment::ThrowError(
913
    v8::Local<v8::Value> (*fun)(v8::Local<v8::String>),
914
    const char* errmsg) {
915
14
  v8::HandleScope handle_scope(isolate());
916
7
  isolate()->ThrowException(fun(OneByteString(isolate(), errmsg)));
917
7
}
918
919
3
inline void Environment::ThrowErrnoException(int errorno,
920
                                             const char* syscall,
921
                                             const char* message,
922
                                             const char* path) {
923
  isolate()->ThrowException(
924
3
      ErrnoException(isolate(), errorno, syscall, message, path));
925
3
}
926
927
14
inline void Environment::ThrowUVException(int errorno,
928
                                          const char* syscall,
929
                                          const char* message,
930
                                          const char* path,
931
                                          const char* dest) {
932
  isolate()->ThrowException(
933
14
      UVException(isolate(), errorno, syscall, message, path, dest));
934
14
}
935
936
inline v8::Local<v8::FunctionTemplate>
937
1212215
    Environment::NewFunctionTemplate(v8::FunctionCallback callback,
938
                                     v8::Local<v8::Signature> signature,
939
                                     v8::ConstructorBehavior behavior,
940
                                     v8::SideEffectType side_effect_type) {
941
  return v8::FunctionTemplate::New(isolate(), callback, v8::Local<v8::Value>(),
942
1212215
                                   signature, 0, behavior, side_effect_type);
943
}
944
945
435687
inline void Environment::SetMethod(v8::Local<v8::Object> that,
946
                                   const char* name,
947
                                   v8::FunctionCallback callback) {
948
435687
  v8::Local<v8::Context> context = isolate()->GetCurrentContext();
949
  v8::Local<v8::Function> function =
950
871381
      NewFunctionTemplate(callback, v8::Local<v8::Signature>(),
951
                          v8::ConstructorBehavior::kThrow,
952
435696
                          v8::SideEffectType::kHasSideEffect)
953
871390
          ->GetFunction(context)
954
435696
          .ToLocalChecked();
955
  // kInternalized strings are created in the old space.
956
435696
  const v8::NewStringType type = v8::NewStringType::kInternalized;
957
  v8::Local<v8::String> name_string =
958
871390
      v8::String::NewFromUtf8(isolate(), name, type).ToLocalChecked();
959
871382
  that->Set(context, name_string, function).Check();
960
435688
  function->SetName(name_string);  // NODE_SET_METHOD() compatibility.
961
435697
}
962
963
51518
inline void Environment::SetMethodNoSideEffect(v8::Local<v8::Object> that,
964
                                               const char* name,
965
                                               v8::FunctionCallback callback) {
966
51518
  v8::Local<v8::Context> context = isolate()->GetCurrentContext();
967
  v8::Local<v8::Function> function =
968
103039
      NewFunctionTemplate(callback, v8::Local<v8::Signature>(),
969
                          v8::ConstructorBehavior::kThrow,
970
51523
                          v8::SideEffectType::kHasNoSideEffect)
971
103045
          ->GetFunction(context)
972
51523
          .ToLocalChecked();
973
  // kInternalized strings are created in the old space.
974
51523
  const v8::NewStringType type = v8::NewStringType::kInternalized;
975
  v8::Local<v8::String> name_string =
976
103043
      v8::String::NewFromUtf8(isolate(), name, type).ToLocalChecked();
977
103042
  that->Set(context, name_string, function).Check();
978
51522
  function->SetName(name_string);  // NODE_SET_METHOD() compatibility.
979
51520
}
980
981
510337
inline void Environment::SetProtoMethod(v8::Local<v8::FunctionTemplate> that,
982
                                        const char* name,
983
                                        v8::FunctionCallback callback) {
984
510337
  v8::Local<v8::Signature> signature = v8::Signature::New(isolate(), that);
985
  v8::Local<v8::FunctionTemplate> t =
986
      NewFunctionTemplate(callback, signature, v8::ConstructorBehavior::kThrow,
987
510345
                          v8::SideEffectType::kHasSideEffect);
988
  // kInternalized strings are created in the old space.
989
510358
  const v8::NewStringType type = v8::NewStringType::kInternalized;
990
  v8::Local<v8::String> name_string =
991
1020712
      v8::String::NewFromUtf8(isolate(), name, type).ToLocalChecked();
992
1020707
  that->PrototypeTemplate()->Set(name_string, t);
993
510358
  t->SetClassName(name_string);  // NODE_SET_PROTOTYPE_METHOD() compatibility.
994
510360
}
995
996
48370
inline void Environment::SetProtoMethodNoSideEffect(
997
    v8::Local<v8::FunctionTemplate> that,
998
    const char* name,
999
    v8::FunctionCallback callback) {
1000
48370
  v8::Local<v8::Signature> signature = v8::Signature::New(isolate(), that);
1001
  v8::Local<v8::FunctionTemplate> t =
1002
      NewFunctionTemplate(callback, signature, v8::ConstructorBehavior::kThrow,
1003
48370
                          v8::SideEffectType::kHasNoSideEffect);
1004
  // kInternalized strings are created in the old space.
1005
48370
  const v8::NewStringType type = v8::NewStringType::kInternalized;
1006
  v8::Local<v8::String> name_string =
1007
96741
      v8::String::NewFromUtf8(isolate(), name, type).ToLocalChecked();
1008
96743
  that->PrototypeTemplate()->Set(name_string, t);
1009
48372
  t->SetClassName(name_string);  // NODE_SET_PROTOTYPE_METHOD() compatibility.
1010
48372
}
1011
1012
32
inline void Environment::SetInstanceMethod(v8::Local<v8::FunctionTemplate> that,
1013
                                           const char* name,
1014
                                           v8::FunctionCallback callback) {
1015
32
  v8::Local<v8::Signature> signature = v8::Signature::New(isolate(), that);
1016
  v8::Local<v8::FunctionTemplate> t =
1017
      NewFunctionTemplate(callback, signature, v8::ConstructorBehavior::kThrow,
1018
32
                          v8::SideEffectType::kHasSideEffect);
1019
  // kInternalized strings are created in the old space.
1020
32
  const v8::NewStringType type = v8::NewStringType::kInternalized;
1021
  v8::Local<v8::String> name_string =
1022
64
      v8::String::NewFromUtf8(isolate(), name, type).ToLocalChecked();
1023
64
  that->InstanceTemplate()->Set(name_string, t);
1024
32
  t->SetClassName(name_string);
1025
32
}
1026
1027
319964
void Environment::AddCleanupHook(void (*fn)(void*), void* arg) {
1028
639927
  auto insertion_info = cleanup_hooks_.emplace(CleanupHookCallback {
1029
319964
    fn, arg, cleanup_hook_counter_++
1030
319964
  });
1031
  // Make sure there was no existing element with these values.
1032
319963
  CHECK_EQ(insertion_info.second, true);
1033
319963
}
1034
1035
307159
void Environment::RemoveCleanupHook(void (*fn)(void*), void* arg) {
1036
307159
  CleanupHookCallback search { fn, arg, 0 };
1037
307160
  cleanup_hooks_.erase(search);
1038
307170
}
1039
1040
849800
size_t CleanupHookCallback::Hash::operator()(
1041
    const CleanupHookCallback& cb) const {
1042
849800
  return std::hash<void*>()(cb.arg_);
1043
}
1044
1045
422334
bool CleanupHookCallback::Equal::operator()(
1046
    const CleanupHookCallback& a, const CleanupHookCallback& b) const {
1047

422334
  return a.fn_ == b.fn_ && a.arg_ == b.arg_;
1048
}
1049
1050
406
BaseObject* CleanupHookCallback::GetBaseObject() const {
1051
406
  if (fn_ == BaseObject::DeleteMe)
1052
384
    return static_cast<BaseObject*>(arg_);
1053
  else
1054
22
    return nullptr;
1055
}
1056
1057
template <typename T>
1058
22
void Environment::ForEachBaseObject(T&& iterator) {
1059

428
  for (const auto& hook : cleanup_hooks_) {
1060
406
    BaseObject* obj = hook.GetBaseObject();
1061

406
    if (obj != nullptr)
1062
384
      iterator(obj);
1063
  }
1064
22
}
1065
1066
615319
void Environment::modify_base_object_count(int64_t delta) {
1067
615319
  base_object_count_ += delta;
1068
615319
}
1069
1070
10079
int64_t Environment::base_object_count() const {
1071
10079
  return base_object_count_ - initial_base_object_count_;
1072
}
1073
1074
13
void Environment::set_main_utf16(std::unique_ptr<v8::String::Value> str) {
1075
13
  CHECK(!main_utf16_);
1076
13
  main_utf16_ = std::move(str);
1077
13
}
1078
1079
389
void Environment::set_process_exit_handler(
1080
    std::function<void(Environment*, int)>&& handler) {
1081
389
  process_exit_handler_ = std::move(handler);
1082
389
}
1083
1084
#define VP(PropertyName, StringValue) V(v8::Private, PropertyName)
1085
#define VY(PropertyName, StringValue) V(v8::Symbol, PropertyName)
1086
#define VS(PropertyName, StringValue) V(v8::String, PropertyName)
1087
#define V(TypeName, PropertyName)                                             \
1088
  inline                                                                      \
1089
  v8::Local<TypeName> IsolateData::PropertyName() const {                     \
1090
    return PropertyName ## _ .Get(isolate_);                                  \
1091
  }
1092
209
  PER_ISOLATE_PRIVATE_SYMBOL_PROPERTIES(VP)
1093
4348
  PER_ISOLATE_SYMBOL_PROPERTIES(VY)
1094
6696575
  PER_ISOLATE_STRING_PROPERTIES(VS)
1095
241285
#undef V
1096
16098
#undef VS
1097
8322
#undef VY
1098
4540
#undef VP
1099
29077
1100
114316
#define VP(PropertyName, StringValue) V(v8::Private, PropertyName)
1101
16780
#define VY(PropertyName, StringValue) V(v8::Symbol, PropertyName)
1102
26804
#define VS(PropertyName, StringValue) V(v8::String, PropertyName)
1103
61164
#define V(TypeName, PropertyName)                                             \
1104
24388
  inline v8::Local<TypeName> Environment::PropertyName() const {              \
1105
101
    return isolate_data()->PropertyName();                                    \
1106
118
  }
1107
30843
  PER_ISOLATE_PRIVATE_SYMBOL_PROPERTIES(VP)
1108
63844
  PER_ISOLATE_SYMBOL_PROPERTIES(VY)
1109
3442823
  PER_ISOLATE_STRING_PROPERTIES(VS)
1110
113158
#undef V
1111
2350
#undef VS
1112
12799
#undef VY
1113
3041
#undef VP
1114
46299
1115
98715
#define V(PropertyName, TypeName)                                             \
1116
8174
  inline v8::Local<TypeName> Environment::PropertyName() const {              \
1117
14672
    return PersistentToLocal::Strong(PropertyName ## _);                      \
1118
15175
  }                                                                           \
1119
1498
  inline void Environment::set_ ## PropertyName(v8::Local<TypeName> value) {  \
1120
64
    PropertyName ## _.Reset(isolate(), value);                                \
1121
64
  }
1122
624339
  ENVIRONMENT_STRONG_PERSISTENT_TEMPLATES(V)
1123
1956454
  ENVIRONMENT_STRONG_PERSISTENT_VALUES(V)
1124
73000
#undef V
1125
73829
1126
7135563
v8::Local<v8::Context> Environment::context() const {
1127
7764974
  return PersistentToLocal::Strong(context_);
1128
691777
}
1129
10062
1130
40
}  // namespace node
1131
5031
1132
27291
// These two files depend on each other. Including base_object-inl.h after this
1133
27729
// file is the easiest way to avoid issues with that circular dependency.
1134
49400
#include "base_object-inl.h"
1135
43931
1136
32127
#endif  // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
1137
26658
1138
5469
#endif  // SRC_ENV_INL_H_