expose some C-APIs for ractor

expose some C-APIs to try to make ractor utilities on external gems.

* add
  * rb_ractor_local_storage_value_lookup() to check availability
* expose
  * rb_ractor_make_shareable()
  * rb_ractor_make_shareable_copy()
  * rb_proc_isolate() (not public)
  * rb_proc_isolate_bang() (not public)
  * rb_proc_ractor_make_shareable() (not public)

1 files changed, 2 insertions, 0 deletions

diff --git a/vm_core.h b/vm_core.h
index cfce3af59d..5f8d4ab876 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -1085,9 +1085,11 @@ typedef struct {
     unsigned int is_isolated: 1;        /* bool */
 } rb_proc_t;
 
+RUBY_SYMBOL_EXPORT_BEGIN
 VALUE rb_proc_isolate(VALUE self);
 VALUE rb_proc_isolate_bang(VALUE self);
 VALUE rb_proc_ractor_make_shareable(VALUE self);
+RUBY_SYMBOL_EXPORT_END
 
 typedef struct {
     VALUE flags; /* imemo header */