1 #include <assert.h>
2 #include <node.h>
3
4 using node::Environment;
5 using node::MultiIsolatePlatform;
6 using v8::Context;
7 using v8::FunctionCallbackInfo;
8 using v8::HandleScope;
9 using v8::Isolate;
10 using v8::Local;
11 using v8::Locker;
12 using v8::MaybeLocal;
13 using v8::Object;
14 using v8::SharedArrayBuffer;
15 using v8::String;
16 using v8::Unlocker;
17 using v8::Value;
18
RunInSeparateIsolate(const FunctionCallbackInfo<Value> & args)19 void RunInSeparateIsolate(const FunctionCallbackInfo<Value>& args) {
20 Isolate* parent_isolate = args.GetIsolate();
21
22 assert(args[0]->IsString());
23 String::Utf8Value code(parent_isolate, args[0]);
24 assert(*code != nullptr);
25 assert(args[1]->IsSharedArrayBuffer());
26 auto arg_bs = args[1].As<SharedArrayBuffer>()->GetBackingStore();
27
28 Environment* parent_env =
29 node::GetCurrentEnvironment(parent_isolate->GetCurrentContext());
30 assert(parent_env != nullptr);
31 MultiIsolatePlatform* platform = node::GetMultiIsolatePlatform(parent_env);
32 assert(parent_env != nullptr);
33
34 {
35 Unlocker unlocker(parent_isolate);
36
37 std::vector<std::string> errors;
38 const std::vector<std::string> empty_args;
39 auto setup =
40 node::CommonEnvironmentSetup::Create(platform,
41 &errors,
42 empty_args,
43 empty_args,
44 node::EnvironmentFlags::kNoFlags);
45 assert(setup);
46
47 {
48 Locker locker(setup->isolate());
49 Isolate::Scope isolate_scope(setup->isolate());
50 HandleScope handle_scope(setup->isolate());
51 Context::Scope context_scope(setup->context());
52 auto arg = SharedArrayBuffer::New(setup->isolate(), arg_bs);
53 auto result = setup->context()->Global()->Set(
54 setup->context(),
55 v8::String::NewFromUtf8Literal(setup->isolate(), "arg"),
56 arg);
57 assert(!result.IsNothing());
58
59 MaybeLocal<Value> loadenv_ret =
60 node::LoadEnvironment(setup->env(), *code);
61 assert(!loadenv_ret.IsEmpty());
62
63 (void)node::SpinEventLoop(setup->env());
64
65 node::Stop(setup->env());
66 }
67 }
68 }
69
Initialize(Local<Object> exports,Local<Value> module,Local<Context> context)70 void Initialize(Local<Object> exports,
71 Local<Value> module,
72 Local<Context> context) {
73 NODE_SET_METHOD(exports, "runInSeparateIsolate", RunInSeparateIsolate);
74 }
75
76 NODE_MODULE_CONTEXT_AWARE(NODE_GYP_MODULE_NAME, Initialize)
77