On Tue, Apr 4, 2023 at 10:21 PM Bruce MacNaughton <bmacnaugh...@gmail.com> wrote: > > I've written a node extension that works with private data. I see from the > function signature that v8::Isolate::GetCurrent() can return NULL, but I > don't understand how that's possible, given that my extension is called by > JavaScript and has to be running in an isolate. > > The v8::Isolate::Current() function has a DCHECK_NOT_NULL, which I infer > means that it shouldn't happen. But I don't know when debug checks would be > enabled, so that could be a bad inference. > > Does it return NULL in specific circumstances, like startup, thread > termination, etc.? Can it return
Yes. :-) A thread "enters" and "exits" (V8 nomenclature) an isolate. Node normally enters it and doesn't exit until the thread terminates. v8::Isolate::TryGetCurrent() exists in case you need to handle the eventuality of no isolate having been entered. -- -- v8-users mailing list v8-users@googlegroups.com http://groups.google.com/group/v8-users --- You received this message because you are subscribed to the Google Groups "v8-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to v8-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/v8-users/CAHQurc-2qH14kWqYiXkAk%2BywCPBtwMBYwoMGr%3DVnEdGXuJx%2Brw%40mail.gmail.com.
