From 14ebda52184149f75e84db73054c787b5541d38a Mon Sep 17 00:00:00 2001
From: Cheng Zhao <zcbenz@gmail.com>
Date: Mon, 13 Nov 2017 11:41:20 +0900
Subject: [PATCH] src: add public API for managing NodePlatform

PR-URL: https://github.com/nodejs/node/pull/16981
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
---
 src/node.cc | 12 ++++++++++++
 src/node.h  | 10 ++++++++++
 2 files changed, 22 insertions(+)

diff --git a/src/node.cc b/src/node.cc
index 21c2dc849a2dd9..ad2e3df933dc23 100644
--- a/src/node.cc
+++ b/src/node.cc
@@ -4769,6 +4769,18 @@ void FreeEnvironment(Environment* env) {
 }
 
 
+MultiIsolatePlatform* CreatePlatform(
+    int thread_pool_size,
+    v8::TracingController* tracing_controller) {
+  return new NodePlatform(thread_pool_size, tracing_controller);
+}
+
+
+void FreePlatform(MultiIsolatePlatform* platform) {
+  delete platform;
+}
+
+
 Local<Context> NewContext(Isolate* isolate,
                           Local<ObjectTemplate> object_template) {
   auto context = Context::New(isolate, nullptr, object_template);
diff --git a/src/node.h b/src/node.h
index 89dac0c0a8491d..8ef97bbffa83ff 100644
--- a/src/node.h
+++ b/src/node.h
@@ -97,6 +97,11 @@
 // Forward-declare libuv loop
 struct uv_loop_s;
 
+// Forward-declare TracingController, used by CreatePlatform.
+namespace v8 {
+class TracingController;
+}
+
 // Forward-declare these functions now to stop MSVS from becoming
 // terminally confused when it's done in node_internals.h
 namespace node {
@@ -244,6 +249,11 @@ NODE_EXTERN Environment* CreateEnvironment(IsolateData* isolate_data,
 NODE_EXTERN void LoadEnvironment(Environment* env);
 NODE_EXTERN void FreeEnvironment(Environment* env);
 
+NODE_EXTERN MultiIsolatePlatform* CreatePlatform(
+    int thread_pool_size,
+    v8::TracingController* tracing_controller);
+NODE_EXTERN void FreePlatform(MultiIsolatePlatform* platform);
+
 NODE_EXTERN void EmitBeforeExit(Environment* env);
 NODE_EXTERN int EmitExit(Environment* env);
 NODE_EXTERN void RunAtExit(Environment* env);