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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	node_file-inl.h	Lines:	149	157	94.9 %
Date:	2022-05-21 04:15:56	Branches:	24	34	70.6 %


#ifndef SRC_NODE_FILE_INL_H_
#define SRC_NODE_FILE_INL_H_

#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS

#include "node_file.h"
#include "req_wrap-inl.h"

namespace node {
namespace fs {

FSContinuationData::FSContinuationData(uv_fs_t* req, int mode, uv_fs_cb done_cb)
  : done_cb_(done_cb), req_(req), mode_(mode) {
}

void FSContinuationData::PushPath(std::string&& path) {
  paths_.emplace_back(std::move(path));
}

void FSContinuationData::PushPath(const std::string& path) {
  paths_.push_back(path);
}

void FSContinuationData::MaybeSetFirstPath(const std::string& path) {
  if (first_path_.empty()) {
    first_path_ = path;
  }
}

std::string FSContinuationData::PopPath() {
  CHECK(!paths_.empty());
  std::string path = std::move(paths_.back());
  paths_.pop_back();
  return path;
}

void FSContinuationData::Done(int result) {
  req_->result = result;
  done_cb_(req_);
}

FSReqBase::FSReqBase(BindingData* binding_data,
                     v8::Local<v8::Object> req,
                     AsyncWrap::ProviderType type,
                     bool use_bigint)
  : ReqWrap(binding_data->env(), req, type),
    use_bigint_(use_bigint),
    binding_data_(binding_data) {
}

void FSReqBase::Init(const char* syscall,
                     const char* data,
                     size_t len,
                     enum encoding encoding) {
  syscall_ = syscall;
  encoding_ = encoding;

  if (data != nullptr) {
    CHECK(!has_data_);
    buffer_.AllocateSufficientStorage(len + 1);
    buffer_.SetLengthAndZeroTerminate(len);
    memcpy(*buffer_, data, len);
    has_data_ = true;
  }
}

FSReqBase::FSReqBuffer&
FSReqBase::Init(const char* syscall, size_t len, enum encoding encoding) {
  syscall_ = syscall;
  encoding_ = encoding;

  buffer_.AllocateSufficientStorage(len + 1);
  has_data_ = false;  // so that the data does not show up in error messages
  return buffer_;
}

FSReqCallback::FSReqCallback(BindingData* binding_data,
                             v8::Local<v8::Object> req,
                             bool use_bigint)
  : FSReqBase(binding_data,
              req,
              AsyncWrap::PROVIDER_FSREQCALLBACK,
              use_bigint) {}

template <typename NativeT, typename V8T>
void FillStatsArray(AliasedBufferBase<NativeT, V8T>* fields,
                    const uv_stat_t* s,
                    const size_t offset) {
#define SET_FIELD_WITH_STAT(stat_offset, stat)                               \
  fields->SetValue(offset + static_cast<size_t>(FsStatsOffset::stat_offset), \
                   static_cast<NativeT>(stat))

#define SET_FIELD_WITH_TIME_STAT(stat_offset, stat)                          \
  /* NOLINTNEXTLINE(runtime/int) */                                          \
  SET_FIELD_WITH_STAT(stat_offset, static_cast<unsigned long>(stat))

  SET_FIELD_WITH_STAT(kDev, s->st_dev);
  SET_FIELD_WITH_STAT(kMode, s->st_mode);
  SET_FIELD_WITH_STAT(kNlink, s->st_nlink);
  SET_FIELD_WITH_STAT(kUid, s->st_uid);
  SET_FIELD_WITH_STAT(kGid, s->st_gid);
  SET_FIELD_WITH_STAT(kRdev, s->st_rdev);
  SET_FIELD_WITH_STAT(kBlkSize, s->st_blksize);
  SET_FIELD_WITH_STAT(kIno, s->st_ino);
  SET_FIELD_WITH_STAT(kSize, s->st_size);
  SET_FIELD_WITH_STAT(kBlocks, s->st_blocks);

  SET_FIELD_WITH_TIME_STAT(kATimeSec, s->st_atim.tv_sec);
  SET_FIELD_WITH_TIME_STAT(kATimeNsec, s->st_atim.tv_nsec);
  SET_FIELD_WITH_TIME_STAT(kMTimeSec, s->st_mtim.tv_sec);
  SET_FIELD_WITH_TIME_STAT(kMTimeNsec, s->st_mtim.tv_nsec);
  SET_FIELD_WITH_TIME_STAT(kCTimeSec, s->st_ctim.tv_sec);
  SET_FIELD_WITH_TIME_STAT(kCTimeNsec, s->st_ctim.tv_nsec);
  SET_FIELD_WITH_TIME_STAT(kBirthTimeSec, s->st_birthtim.tv_sec);
  SET_FIELD_WITH_TIME_STAT(kBirthTimeNsec, s->st_birthtim.tv_nsec);

#undef SET_FIELD_WITH_TIME_STAT
#undef SET_FIELD_WITH_STAT
}

v8::Local<v8::Value> FillGlobalStatsArray(BindingData* binding_data,
                                          const bool use_bigint,
                                          const uv_stat_t* s,
                                          const bool second) {
  const ptrdiff_t offset =
      second ? static_cast<ptrdiff_t>(FsStatsOffset::kFsStatsFieldsNumber) : 0;
  if (use_bigint) {
    auto* const arr = &binding_data->stats_field_bigint_array;
    FillStatsArray(arr, s, offset);
    return arr->GetJSArray();
  } else {
    auto* const arr = &binding_data->stats_field_array;
    FillStatsArray(arr, s, offset);
    return arr->GetJSArray();
  }
}

template <typename AliasedBufferT>
FSReqPromise<AliasedBufferT>*
FSReqPromise<AliasedBufferT>::New(BindingData* binding_data,
                                  bool use_bigint) {
  Environment* env = binding_data->env();
  v8::Local<v8::Object> obj;
  if (!env->fsreqpromise_constructor_template()
           ->NewInstance(env->context())
           .ToLocal(&obj)) {
    return nullptr;
  }
  v8::Local<v8::Promise::Resolver> resolver;
  if (!v8::Promise::Resolver::New(env->context()).ToLocal(&resolver) ||
      obj->Set(env->context(), env->promise_string(), resolver).IsNothing()) {
    return nullptr;
  }
  return new FSReqPromise(binding_data, obj, use_bigint);
}

template <typename AliasedBufferT>
FSReqPromise<AliasedBufferT>::~FSReqPromise() {
  // Validate that the promise was explicitly resolved or rejected.
  CHECK(finished_);
}

template <typename AliasedBufferT>
FSReqPromise<AliasedBufferT>::FSReqPromise(
    BindingData* binding_data,
    v8::Local<v8::Object> obj,
    bool use_bigint)
  : FSReqBase(binding_data,
              obj,
              AsyncWrap::PROVIDER_FSREQPROMISE,
              use_bigint),
    stats_field_array_(
        env()->isolate(),
        static_cast<size_t>(FsStatsOffset::kFsStatsFieldsNumber)) {}

template <typename AliasedBufferT>
void FSReqPromise<AliasedBufferT>::Reject(v8::Local<v8::Value> reject) {
  finished_ = true;
  v8::HandleScope scope(env()->isolate());
  InternalCallbackScope callback_scope(this);
  v8::Local<v8::Value> value =
      object()->Get(env()->context(),
                    env()->promise_string()).ToLocalChecked();
  v8::Local<v8::Promise::Resolver> resolver = value.As<v8::Promise::Resolver>();
  USE(resolver->Reject(env()->context(), reject).FromJust());
}

template <typename AliasedBufferT>
void FSReqPromise<AliasedBufferT>::Resolve(v8::Local<v8::Value> value) {
  finished_ = true;
  v8::HandleScope scope(env()->isolate());
  InternalCallbackScope callback_scope(this);
  v8::Local<v8::Value> val =
      object()->Get(env()->context(),
                    env()->promise_string()).ToLocalChecked();
  v8::Local<v8::Promise::Resolver> resolver = val.As<v8::Promise::Resolver>();
  USE(resolver->Resolve(env()->context(), value).FromJust());
}

template <typename AliasedBufferT>
void FSReqPromise<AliasedBufferT>::ResolveStat(const uv_stat_t* stat) {
  FillStatsArray(&stats_field_array_, stat);
  Resolve(stats_field_array_.GetJSArray());
}

template <typename AliasedBufferT>
void FSReqPromise<AliasedBufferT>::SetReturnValue(
    const v8::FunctionCallbackInfo<v8::Value>& args) {
  v8::Local<v8::Value> val =
      object()->Get(env()->context(),
                    env()->promise_string()).ToLocalChecked();
  v8::Local<v8::Promise::Resolver> resolver = val.As<v8::Promise::Resolver>();
  args.GetReturnValue().Set(resolver->GetPromise());
}

template <typename AliasedBufferT>
void FSReqPromise<AliasedBufferT>::MemoryInfo(MemoryTracker* tracker) const {
  FSReqBase::MemoryInfo(tracker);
  tracker->TrackField("stats_field_array", stats_field_array_);
}

FSReqBase* GetReqWrap(const v8::FunctionCallbackInfo<v8::Value>& args,
                      int index,
                      bool use_bigint) {
  v8::Local<v8::Value> value = args[index];
  if (value->IsObject()) {
    return Unwrap<FSReqBase>(value.As<v8::Object>());
  }

  BindingData* binding_data = Environment::GetBindingData<BindingData>(args);
  Environment* env = binding_data->env();
  if (value->StrictEquals(env->fs_use_promises_symbol())) {
    if (use_bigint) {
      return FSReqPromise<AliasedBigUint64Array>::New(binding_data, use_bigint);
    } else {
      return FSReqPromise<AliasedFloat64Array>::New(binding_data, use_bigint);
    }
  }
  return nullptr;
}

// Returns nullptr if the operation fails from the start.
template <typename Func, typename... Args>
FSReqBase* AsyncDestCall(Environment* env, FSReqBase* req_wrap,
                         const v8::FunctionCallbackInfo<v8::Value>& args,
                         const char* syscall, const char* dest,
                         size_t len, enum encoding enc, uv_fs_cb after,
                         Func fn, Args... fn_args) {
  CHECK_NOT_NULL(req_wrap);
  req_wrap->Init(syscall, dest, len, enc);
  int err = req_wrap->Dispatch(fn, fn_args..., after);
  if (err < 0) {
    uv_fs_t* uv_req = req_wrap->req();
    uv_req->result = err;
    uv_req->path = nullptr;
    after(uv_req);  // after may delete req_wrap if there is an error
    req_wrap = nullptr;
  } else {
    req_wrap->SetReturnValue(args);
  }

  return req_wrap;
}

// Returns nullptr if the operation fails from the start.
template <typename Func, typename... Args>
FSReqBase* AsyncCall(Environment* env,
                     FSReqBase* req_wrap,
                     const v8::FunctionCallbackInfo<v8::Value>& args,
                     const char* syscall, enum encoding enc,
                     uv_fs_cb after, Func fn, Args... fn_args) {
  return AsyncDestCall(env, req_wrap, args,
                       syscall, nullptr, 0, enc,
                       after, fn, fn_args...);
}

// Template counterpart of SYNC_CALL, except that it only puts
// the error number and the syscall in the context instead of
// creating an error in the C++ land.
// ctx must be checked using value->IsObject() before being passed.
template <typename Func, typename... Args>
int SyncCall(Environment* env, v8::Local<v8::Value> ctx,
             FSReqWrapSync* req_wrap, const char* syscall,
             Func fn, Args... args) {
  env->PrintSyncTrace();
  int err = fn(env->event_loop(), &(req_wrap->req), args..., nullptr);
  if (err < 0) {
    v8::Local<v8::Context> context = env->context();
    v8::Local<v8::Object> ctx_obj = ctx.As<v8::Object>();
    v8::Isolate* isolate = env->isolate();
    ctx_obj->Set(context,
                 env->errno_string(),
                 v8::Integer::New(isolate, err)).Check();
    ctx_obj->Set(context,
                 env->syscall_string(),
                 OneByteString(isolate, syscall)).Check();
  }
  return err;
}

}  // namespace fs
}  // namespace node

#endif  // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS

#endif  // SRC_NODE_FILE_INL_H_


Generated by: GCOVR (Version 4.2)

Line	Branch	Exec	Source
1			#ifndef SRC_NODE_FILE_INL_H_
2			#define SRC_NODE_FILE_INL_H_
3
4			#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
5
6			#include "node_file.h"
7			#include "req_wrap-inl.h"
8
9			namespace node {
10			namespace fs {
11
12		6646	FSContinuationData::FSContinuationData(uv_fs_t* req, int mode, uv_fs_cb done_cb)
13		6646	: done_cb_(done_cb), req_(req), mode_(mode) {
14		6646	}
15
16		766	void FSContinuationData::PushPath(std::string&& path) {
17		766	paths_.emplace_back(std::move(path));
18		766	}
19
20		6286	void FSContinuationData::PushPath(const std::string& path) {
21		6286	paths_.push_back(path);
22		6286	}
23
24		613	void FSContinuationData::MaybeSetFirstPath(const std::string& path) {
25	✓✓	613	if (first_path_.empty()) {
26		526	first_path_ = path;
27			}
28		613	}
29
30		7052	std::string FSContinuationData::PopPath() {
31	✗✓	7052	CHECK(!paths_.empty());
32		7052	std::string path = std::move(paths_.back());
33		7052	paths_.pop_back();
34		7052	return path;
35			}
36
37		360	void FSContinuationData::Done(int result) {
38		360	req_->result = result;
39		360	done_cb_(req_);
40		360	}
41
42		56511	FSReqBase::FSReqBase(BindingData* binding_data,
43			v8::Local<v8::Object> req,
44			AsyncWrap::ProviderType type,
45		56511	bool use_bigint)
46			: ReqWrap(binding_data->env(), req, type),
47			use_bigint_(use_bigint),
48		56511	binding_data_(binding_data) {
49		56511	}
50
51		56434	void FSReqBase::Init(const char* syscall,
52			const char* data,
53			size_t len,
54			enum encoding encoding) {
55		56434	syscall_ = syscall;
56		56434	encoding_ = encoding;
57
58	✓✓	56434	if (data != nullptr) {
59	✗✓	133	CHECK(!has_data_);
60		133	buffer_.AllocateSufficientStorage(len + 1);
61		133	buffer_.SetLengthAndZeroTerminate(len);
62		133	memcpy(*buffer_, data, len);
63		133	has_data_ = true;
64			}
65		56434	}
66
67			FSReqBase::FSReqBuffer&
68		77	FSReqBase::Init(const char* syscall, size_t len, enum encoding encoding) {
69		77	syscall_ = syscall;
70		77	encoding_ = encoding;
71
72		77	buffer_.AllocateSufficientStorage(len + 1);
73		77	has_data_ = false; // so that the data does not show up in error messages
74		77	return buffer_;
75			}
76
77		51704	FSReqCallback::FSReqCallback(BindingData* binding_data,
78			v8::Local<v8::Object> req,
79		51704	bool use_bigint)
80			: FSReqBase(binding_data,
81			req,
82			AsyncWrap::PROVIDER_FSREQCALLBACK,
83		51704	use_bigint) {}
84
85			template <typename NativeT, typename V8T>
86		361566	void FillStatsArray(AliasedBufferBase<NativeT, V8T>* fields,
87			const uv_stat_t* s,
88			const size_t offset) {
89			#define SET_FIELD_WITH_STAT(stat_offset, stat) \
90			fields->SetValue(offset + static_cast<size_t>(FsStatsOffset::stat_offset), \
91			static_cast<NativeT>(stat))
92
93			#define SET_FIELD_WITH_TIME_STAT(stat_offset, stat) \
94			/* NOLINTNEXTLINE(runtime/int) */ \
95			SET_FIELD_WITH_STAT(stat_offset, static_cast<unsigned long>(stat))
96
97		180783	SET_FIELD_WITH_STAT(kDev, s->st_dev);
98		180783	SET_FIELD_WITH_STAT(kMode, s->st_mode);
99		180783	SET_FIELD_WITH_STAT(kNlink, s->st_nlink);
100		180783	SET_FIELD_WITH_STAT(kUid, s->st_uid);
101		180783	SET_FIELD_WITH_STAT(kGid, s->st_gid);
102		180783	SET_FIELD_WITH_STAT(kRdev, s->st_rdev);
103		180783	SET_FIELD_WITH_STAT(kBlkSize, s->st_blksize);
104		180783	SET_FIELD_WITH_STAT(kIno, s->st_ino);
105		180783	SET_FIELD_WITH_STAT(kSize, s->st_size);
106		180783	SET_FIELD_WITH_STAT(kBlocks, s->st_blocks);
107
108		180783	SET_FIELD_WITH_TIME_STAT(kATimeSec, s->st_atim.tv_sec);
109		180783	SET_FIELD_WITH_TIME_STAT(kATimeNsec, s->st_atim.tv_nsec);
110		180783	SET_FIELD_WITH_TIME_STAT(kMTimeSec, s->st_mtim.tv_sec);
111		180783	SET_FIELD_WITH_TIME_STAT(kMTimeNsec, s->st_mtim.tv_nsec);
112		180783	SET_FIELD_WITH_TIME_STAT(kCTimeSec, s->st_ctim.tv_sec);
113		180783	SET_FIELD_WITH_TIME_STAT(kCTimeNsec, s->st_ctim.tv_nsec);
114		180783	SET_FIELD_WITH_TIME_STAT(kBirthTimeSec, s->st_birthtim.tv_sec);
115		180783	SET_FIELD_WITH_TIME_STAT(kBirthTimeNsec, s->st_birthtim.tv_nsec);
116
117			#undef SET_FIELD_WITH_TIME_STAT
118			#undef SET_FIELD_WITH_STAT
119		180783	}
120
121		179272	v8::Local<v8::Value> FillGlobalStatsArray(BindingData* binding_data,
122			const bool use_bigint,
123			const uv_stat_t* s,
124			const bool second) {
125		179272	const ptrdiff_t offset =
126	✓✓	179272	second ? static_cast<ptrdiff_t>(FsStatsOffset::kFsStatsFieldsNumber) : 0;
127	✓✓	179272	if (use_bigint) {
128		107036	auto* const arr = &binding_data->stats_field_bigint_array;
129		107036	FillStatsArray(arr, s, offset);
130		214072	return arr->GetJSArray();
131			} else {
132		72236	auto* const arr = &binding_data->stats_field_array;
133		72236	FillStatsArray(arr, s, offset);
134		144472	return arr->GetJSArray();
135			}
136			}
137
138			template <typename AliasedBufferT>
139			FSReqPromise<AliasedBufferT>*
140		9614	FSReqPromise<AliasedBufferT>::New(BindingData* binding_data,
141			bool use_bigint) {
142		9614	Environment* env = binding_data->env();
143			v8::Local<v8::Object> obj;
144		9614	if (!env->fsreqpromise_constructor_template()
145		9614	->NewInstance(env->context())
146	✗✓	9614	.ToLocal(&obj)) {
147			return nullptr;
148			}
149			v8::Local<v8::Promise::Resolver> resolver;
150	✓✗	28842	if (!v8::Promise::Resolver::New(env->context()).ToLocal(&resolver) \|\|
151	✗✓✗✓	38456	obj->Set(env->context(), env->promise_string(), resolver).IsNothing()) {
152			return nullptr;
153			}
154		9614	return new FSReqPromise(binding_data, obj, use_bigint);
155			}
156
157			template <typename AliasedBufferT>
158		19212	FSReqPromise<AliasedBufferT>::~FSReqPromise() {
159			// Validate that the promise was explicitly resolved or rejected.
160			CHECK(finished_);
161	✗✓	19212	}
162
163			template <typename AliasedBufferT>
164		9614	FSReqPromise<AliasedBufferT>::FSReqPromise(
165			BindingData* binding_data,
166			v8::Local<v8::Object> obj,
167			bool use_bigint)
168			: FSReqBase(binding_data,
169			obj,
170			AsyncWrap::PROVIDER_FSREQPROMISE,
171			use_bigint),
172			stats_field_array_(
173			env()->isolate(),
174		9614	static_cast<size_t>(FsStatsOffset::kFsStatsFieldsNumber)) {}
175
176			template <typename AliasedBufferT>
177		830	void FSReqPromise<AliasedBufferT>::Reject(v8::Local<v8::Value> reject) {
178		830	finished_ = true;
179		1660	v8::HandleScope scope(env()->isolate());
180		830	InternalCallbackScope callback_scope(this);
181			v8::Local<v8::Value> value =
182		2490	object()->Get(env()->context(),
183		830	env()->promise_string()).ToLocalChecked();
184		830	v8::Local<v8::Promise::Resolver> resolver = value.As<v8::Promise::Resolver>();
185		1660	USE(resolver->Reject(env()->context(), reject).FromJust());
186		830	}
187
188			template <typename AliasedBufferT>
189		8776	void FSReqPromise<AliasedBufferT>::Resolve(v8::Local<v8::Value> value) {
190		8776	finished_ = true;
191		17552	v8::HandleScope scope(env()->isolate());
192		8776	InternalCallbackScope callback_scope(this);
193			v8::Local<v8::Value> val =
194		26328	object()->Get(env()->context(),
195		8776	env()->promise_string()).ToLocalChecked();
196		8776	v8::Local<v8::Promise::Resolver> resolver = val.As<v8::Promise::Resolver>();
197		17552	USE(resolver->Resolve(env()->context(), value).FromJust());
198		8776	}
199
200			template <typename AliasedBufferT>
201		3022	void FSReqPromise<AliasedBufferT>::ResolveStat(const uv_stat_t* stat) {
202		3022	FillStatsArray(&stats_field_array_, stat);
203		6044	Resolve(stats_field_array_.GetJSArray());
204		3022	}
205
206			template <typename AliasedBufferT>
207		9614	void FSReqPromise<AliasedBufferT>::SetReturnValue(
208			const v8::FunctionCallbackInfo<v8::Value>& args) {
209			v8::Local<v8::Value> val =
210		28842	object()->Get(env()->context(),
211		9614	env()->promise_string()).ToLocalChecked();
212		9614	v8::Local<v8::Promise::Resolver> resolver = val.As<v8::Promise::Resolver>();
213		9614	args.GetReturnValue().Set(resolver->GetPromise());
214		9614	}
215
216			template <typename AliasedBufferT>
217		2	void FSReqPromise<AliasedBufferT>::MemoryInfo(MemoryTracker* tracker) const {
218		2	FSReqBase::MemoryInfo(tracker);
219		2	tracker->TrackField("stats_field_array", stats_field_array_);
220			}
221
222	✓✗	741556	FSReqBase* GetReqWrap(const v8::FunctionCallbackInfo<v8::Value>& args,
223			int index,
224			bool use_bigint) {
225		741556	v8::Local<v8::Value> value = args[index];
226	✓✓	741556	if (value->IsObject()) {
227		51704	return Unwrap<FSReqBase>(value.As<v8::Object>());
228			}
229
230		689852	BindingData* binding_data = Environment::GetBindingData<BindingData>(args);
231		689852	Environment* env = binding_data->env();
232	✓✓	1379704	if (value->StrictEquals(env->fs_use_promises_symbol())) {
233	✓✓	4807	if (use_bigint) {
234		420	return FSReqPromise<AliasedBigUint64Array>::New(binding_data, use_bigint);
235			} else {
236		4387	return FSReqPromise<AliasedFloat64Array>::New(binding_data, use_bigint);
237			}
238			}
239		685045	return nullptr;
240			}
241
242			// Returns nullptr if the operation fails from the start.
243			template <typename Func, typename... Args>
244		112868	FSReqBase* AsyncDestCall(Environment* env, FSReqBase* req_wrap,
245			const v8::FunctionCallbackInfo<v8::Value>& args,
246			const char* syscall, const char* dest,
247			size_t len, enum encoding enc, uv_fs_cb after,
248			Func fn, Args... fn_args) {
249	✗✓	112868	CHECK_NOT_NULL(req_wrap);
250		112868	req_wrap->Init(syscall, dest, len, enc);
251		112868	int err = req_wrap->Dispatch(fn, fn_args..., after);
252	✗✓	112868	if (err < 0) {
253			uv_fs_t* uv_req = req_wrap->req();
254			uv_req->result = err;
255			uv_req->path = nullptr;
256			after(uv_req); // after may delete req_wrap if there is an error
257			req_wrap = nullptr;
258			} else {
259		112868	req_wrap->SetReturnValue(args);
260			}
261
262		112868	return req_wrap;
263			}
264
265			// Returns nullptr if the operation fails from the start.
266			template <typename Func, typename... Args>
267		112602	FSReqBase* AsyncCall(Environment* env,
268			FSReqBase* req_wrap,
269			const v8::FunctionCallbackInfo<v8::Value>& args,
270			const char* syscall, enum encoding enc,
271			uv_fs_cb after, Func fn, Args... fn_args) {
272		112602	return AsyncDestCall(env, req_wrap, args,
273			syscall, nullptr, 0, enc,
274		112602	after, fn, fn_args...);
275			}
276
277			// Template counterpart of SYNC_CALL, except that it only puts
278			// the error number and the syscall in the context instead of
279			// creating an error in the C++ land.
280			// ctx must be checked using value->IsObject() before being passed.
281			template <typename Func, typename... Args>
282		684762	int SyncCall(Environment* env, v8::Local<v8::Value> ctx,
283			FSReqWrapSync* req_wrap, const char* syscall,
284			Func fn, Args... args) {
285		684762	env->PrintSyncTrace();
286		684762	int err = fn(env->event_loop(), &(req_wrap->req), args..., nullptr);
287		684762	if (err < 0) {
288		2684	v8::Local<v8::Context> context = env->context();
289		2684	v8::Local<v8::Object> ctx_obj = ctx.As<v8::Object>();
290		2684	v8::Isolate* isolate = env->isolate();
291		10736	ctx_obj->Set(context,
292			env->errno_string(),
293			v8::Integer::New(isolate, err)).Check();
294		10736	ctx_obj->Set(context,
295			env->syscall_string(),
296			OneByteString(isolate, syscall)).Check();
297			}
298		684762	return err;
299			}
300
301			} // namespace fs
302			} // namespace node
303
304			#endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
305
306			#endif // SRC_NODE_FILE_INL_H_