Introduce `Fiber#storage` for inheritable fiber-scoped variables. (#6612)

1 files changed, 2 insertions, 0 deletions

diff --git a/thread.c b/thread.c
index 1b12ec2077..56a5644552 100644
--- a/thread.c
+++ b/thread.c
@@ -813,6 +813,8 @@ thread_create_core(VALUE thval, struct thread_create_params *params)
                  "can't start a new thread (frozen ThreadGroup)");
     }
 
+    rb_fiber_inherit_storage(ec, th->ec->fiber_ptr);
+
     switch (params->type) {
       case thread_invoke_type_proc:
         th->invoke_type = thread_invoke_type_proc;