On Sun, Jun 22, 2014 at 8:36 AM, Danny Dorfman <[email protected]> wrote:
> I already tried that, but V8::IsExecutionTerminating() returned false.
> I don't know if it's a bug or a feature.
I just remembered something from our code base: termination doesn't go
into effect until you enter the VM again. In our project, we force
that by executing a no-op script, see below. HTH.
void ExitFunction(const v8::FunctionCallbackInfo<v8::Value>& info) {
v8::Isolate* isolate = info.GetIsolate();
v8::HandleScope handle_scope(isolate);
// Sets a thread-local flag that is checked by the JS function prologue.
v8::V8::TerminateExecution(isolate);
// Which means it's not in effect yet.
CHECK_EQ(false, v8::V8::IsExecutionTerminating(isolate));
// Now force the termination exception by entering the VM.
v8::Local<v8::String> script_source = v8::String::NewFromUtf8(isolate, "0");
v8::TryCatch try_catch;
v8::Script::Compile(script_source)->Run();
CHECK_EQ(true, try_catch.HasCaught());
CHECK_EQ(true, try_catch.HasTerminated());
CHECK_EQ(true, v8::V8::IsExecutionTerminating(isolate));
}
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