Add pending task dependencies to ObjectID ref counting (#6054)

python/ray/_raylet.pyx

@@ -1000,17 +1000,17 @@ cdef class CoreWorker:
             c_actor_id, &output))
         return output
 
-    def add_active_object_id(self, ObjectID object_id):
+    def add_object_id_reference(self, ObjectID object_id):
         cdef:
             CObjectID c_object_id = object_id.native()
         # Note: faster to not release GIL for short-running op.
-        self.core_worker.get().AddActiveObjectID(c_object_id)
+        self.core_worker.get().AddObjectIDReference(c_object_id)
 
-    def remove_active_object_id(self, ObjectID object_id):
+    def remove_object_id_reference(self, ObjectID object_id):
         cdef:
             CObjectID c_object_id = object_id.native()
         # Note: faster to not release GIL for short-running op.
-        self.core_worker.get().RemoveActiveObjectID(c_object_id)
+        self.core_worker.get().RemoveObjectIDReference(c_object_id)
 
     # TODO: handle noreturn better
     cdef store_task_outputs(

python/ray/includes/libcoreworker.pxd

@@ -101,8 +101,8 @@ cdef extern from "ray/core_worker/core_worker.h" nogil:
         CActorID DeserializeAndRegisterActorHandle(const c_string &bytes)
         CRayStatus SerializeActorHandle(const CActorID &actor_id, c_string
                                         *bytes)
-        void AddActiveObjectID(const CObjectID &object_id)
-        void RemoveActiveObjectID(const CObjectID &object_id)
+        void AddObjectIDReference(const CObjectID &object_id)
+        void RemoveObjectIDReference(const CObjectID &object_id)
 
         CRayStatus SetClientOptions(c_string client_name, int64_t limit)
         CRayStatus Put(const CRayObject &object, CObjectID *object_id)

python/ray/includes/unique_ids.pxi

@@ -146,14 +146,14 @@ cdef class ObjectID(BaseID):
         # TODO(edoakes): there are dummy object IDs being created in
         # includes/task.pxi before the core worker is initialized.
         if hasattr(worker, "core_worker"):
-            worker.core_worker.add_active_object_id(self)
+            worker.core_worker.add_object_id_reference(self)
             self.in_core_worker = True
 
     def __dealloc__(self):
         if self.in_core_worker:
             try:
                 worker = ray.worker.global_worker
-                worker.core_worker.remove_active_object_id(self)
+                worker.core_worker.remove_object_id_reference(self)
             except Exception as e:
                 # There is a strange error in rllib that causes the above to
                 # fail. Somehow the global 'ray' variable corresponding to the