worker: initial implementation

Implement multi-threading support for most of the API.

Thanks to Stephen Belanger for reviewing this change in its
original form, to Olivia Hugger for reviewing the
documentation and some of the tests coming along with it,
and to Alexey Orlenko and Timothy Gu for reviewing other
parts of the tests.

Refs: https://github.com/ayojs/ayo/pull/110
Refs: https://github.com/ayojs/ayo/pull/114
Refs: https://github.com/ayojs/ayo/pull/117

PR-URL: https://github.com/nodejs/node/pull/20876
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Shingo Inoue <leko.noor@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Reviewed-By: John-David Dalton <john.david.dalton@gmail.com>
Reviewed-By: Gus Caplan <me@gus.host>

1 files changed, 4 insertions, 0 deletions

diff --git a/src/base_object.h b/src/base_object.h
index e0b60843401..38291d598fe 100644
--- a/src/base_object.h
+++ b/src/base_object.h
@@ -43,6 +43,10 @@ class BaseObject {
   // persistent.IsEmpty() is true.
   inline v8::Local<v8::Object> object();
 
+  // Same as the above, except it additionally verifies that this object
+  // is associated with the passed Isolate in debug mode.
+  inline v8::Local<v8::Object> object(v8::Isolate* isolate);
+
   inline Persistent<v8::Object>& persistent();
 
   inline Environment* env() const;