From 734d1baa43941b54f20c918049c7cec46db30dfb Mon Sep 17 00:00:00 2001
From: Yagiz Nizipli <yagiz@nizipli.com>
Date: Fri, 28 Jun 2024 10:58:01 -0400
Subject: [PATCH] fs: add v8 fast api to closeSync

---
 src/node_external_reference.h |  4 ++++
 src/node_file.cc              | 26 +++++++++++++++++++++++---
 2 files changed, 27 insertions(+), 3 deletions(-)

diff --git a/src/node_external_reference.h b/src/node_external_reference.h
index b80b8727c23fd1..142ce1bfaaf505 100644
--- a/src/node_external_reference.h
+++ b/src/node_external_reference.h
@@ -47,6 +47,9 @@ using CFunctionCallbackWithUint8ArrayUint32Int64Bool =
                 uint32_t,
                 int64_t,
                 bool);
+using CFunctionWithObjectInt32Fallback = void (*)(v8::Local<v8::Object>,
+                                                  const int32_t input,
+                                                  v8::FastApiCallbackOptions&);
 using CFunctionWithUint32 = uint32_t (*)(v8::Local<v8::Value>,
                                          const uint32_t input);
 using CFunctionWithDoubleReturnDouble = double (*)(v8::Local<v8::Value>,
@@ -75,6 +78,7 @@ class ExternalReferenceRegistry {
   V(CFunctionCallbackWithTwoUint8Arrays)                                       \
   V(CFunctionCallbackWithTwoUint8ArraysFallback)                               \
   V(CFunctionCallbackWithUint8ArrayUint32Int64Bool)                            \
+  V(CFunctionWithObjectInt32Fallback)                                          \
   V(CFunctionWithUint32)                                                       \
   V(CFunctionWithDoubleReturnDouble)                                           \
   V(CFunctionWithInt64Fallback)                                                \
diff --git a/src/node_file.cc b/src/node_file.cc
index 3800a8e5f600ae..33d40c8a5c764d 100644
--- a/src/node_file.cc
+++ b/src/node_file.cc
@@ -54,6 +54,7 @@ namespace fs {
 
 using v8::Array;
 using v8::BigInt;
+using v8::CFunction;
 using v8::Context;
 using v8::EscapableHandleScope;
 using v8::FastApiCallbackOptions;
@@ -304,7 +305,7 @@ FileHandle::TransferData::~TransferData() {
 
 BaseObjectPtr<BaseObject> FileHandle::TransferData::Deserialize(
     Environment* env,
-    v8::Local<v8::Context> context,
+    Local<v8::Context> context,
     std::unique_ptr<worker::TransferData> self) {
   BindingData* bd = Realm::GetBindingData<BindingData>(context);
   if (bd == nullptr) return {};
@@ -966,7 +967,7 @@ void Access(const FunctionCallbackInfo<Value>& args) {
   }
 }
 
-void Close(const FunctionCallbackInfo<Value>& args) {
+static void Close(const FunctionCallbackInfo<Value>& args) {
   Environment* env = Environment::GetCurrent(args);
 
   const int argc = args.Length();
@@ -992,6 +993,23 @@ void Close(const FunctionCallbackInfo<Value>& args) {
   }
 }
 
+static void FastClose(Local<Object> recv,
+                      const int32_t fd,
+                      // NOLINTNEXTLINE(runtime/references) This is V8 api.
+                      v8::FastApiCallbackOptions& options) {
+  Environment* env = Environment::GetCurrent(recv->GetCreationContextChecked());
+
+  env->RemoveUnmanagedFd(fd);
+
+  uv_fs_t req;
+  FS_SYNC_TRACE_BEGIN(close);
+  options.fallback = uv_fs_close(nullptr, &req, fd, nullptr) < 0;
+  FS_SYNC_TRACE_END(close);
+  uv_fs_req_cleanup(&req);
+}
+
+CFunction fast_close_ = CFunction::Make(FastClose);
+
 static void ExistsSync(const FunctionCallbackInfo<Value>& args) {
   Environment* env = Environment::GetCurrent(args);
   Isolate* isolate = env->isolate();
@@ -3311,7 +3329,7 @@ static void CreatePerIsolateProperties(IsolateData* isolate_data,
             "getFormatOfExtensionlessFile",
             GetFormatOfExtensionlessFile);
   SetMethod(isolate, target, "access", Access);
-  SetMethod(isolate, target, "close", Close);
+  SetFastMethod(isolate, target, "close", Close, &fast_close_);
   SetMethod(isolate, target, "existsSync", ExistsSync);
   SetMethod(isolate, target, "open", Open);
   SetMethod(isolate, target, "openFileHandle", OpenFileHandle);
@@ -3436,6 +3454,8 @@ void RegisterExternalReferences(ExternalReferenceRegistry* registry) {
 
   registry->Register(GetFormatOfExtensionlessFile);
   registry->Register(Close);
+  registry->Register(FastClose);
+  registry->Register(fast_close_.GetTypeInfo());
   registry->Register(ExistsSync);
   registry->Register(Open);
   registry->Register(OpenFileHandle);