src: move process.reallyExit impl into node_process_methods.cc

Because the part that is shared by `process.reallyExit` and the
Node.js teardown is `WaitForInspectorDisconnect()`, move that
into node_internals.h instead, and move the C++ binding code
into `node_process_methods.cc` since that's the only place
it's needed.

PR-URL: #25860
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Minwoo Jung <minwoo@nodesource.com>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>

src/node.cc

@@ -118,7 +118,6 @@ using v8::Exception;
 using v8::Function;
 using v8::FunctionCallbackInfo;
 using v8::HandleScope;
-using v8::Int32;
 using v8::Isolate;
 using v8::Just;
 using v8::Local;
@@ -158,7 +157,7 @@ struct V8Platform v8_platform;
 static const unsigned kMaxSignal = 32;
 #endif
 
-static void WaitForInspectorDisconnect(Environment* env) {
+void WaitForInspectorDisconnect(Environment* env) {
 #if HAVE_INSPECTOR
   if (env->inspector_agent()->IsActive()) {
     // Restore signal dispositions, the app is done and is no longer
@@ -178,13 +177,6 @@ static void WaitForInspectorDisconnect(Environment* env) {
 #endif
 }
 
-void Exit(const FunctionCallbackInfo<Value>& args) {
-  Environment* env = Environment::GetCurrent(args);
-  WaitForInspectorDisconnect(env);
-  int code = args[0]->Int32Value(env->context()).FromMaybe(0);
-  env->Exit(code);
-}
-
 void SignalExit(int signo) {
   uv_tty_reset_mode();
 #ifdef __FreeBSD__

src/node_internals.h

@@ -86,7 +86,7 @@ void GetSockOrPeerName(const v8::FunctionCallbackInfo<v8::Value>& args) {
   args.GetReturnValue().Set(err);
 }
 
-void Exit(const v8::FunctionCallbackInfo<v8::Value>& args);
+void WaitForInspectorDisconnect(Environment* env);
 void SignalExit(int signo);
 #ifdef __POSIX__
 void RegisterSignalHandler(int signal,

src/node_process_methods.cc

@@ -385,6 +385,13 @@ static void DebugEnd(const FunctionCallbackInfo<Value>& args) {
 #endif
 }
 
+static void ReallyExit(const FunctionCallbackInfo<Value>& args) {
+  Environment* env = Environment::GetCurrent(args);
+  WaitForInspectorDisconnect(env);
+  int code = args[0]->Int32Value(env->context()).FromMaybe(0);
+  env->Exit(code);
+}
+
 static void InitializeProcessMethods(Local<Object> target,
                                      Local<Value> unused,
                                      Local<Context> context,
@@ -416,7 +423,7 @@ static void InitializeProcessMethods(Local<Object> target,
 
   env->SetMethodNoSideEffect(target, "cwd", Cwd);
   env->SetMethod(target, "dlopen", binding::DLOpen);
-  env->SetMethod(target, "reallyExit", Exit);
+  env->SetMethod(target, "reallyExit", ReallyExit);
   env->SetMethodNoSideEffect(target, "uptime", Uptime);
 }