* vm.c (rb_vm_rewind_cfp): add new function to rewind specified cfp

  with invoking RUBY_EVENT_C_RETURN.
  [Bug #9961]
* vm_core.h: ditto.
* eval.c (rb_protect): use it.
* eval.c (rb_rescue2): ditto.
* vm_eval.c (rb_iterate): ditto.
* test/ruby/test_settracefunc.rb: add a test.
* vm_core.h (rb_name_err_mesg_new):



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46465 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 0 deletions

diff --git a/vm_core.h b/vm_core.h
index 5bd9f6c6d0..f5cc498d3b 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -901,6 +901,7 @@ VALUE rb_name_err_mesg_new(VALUE obj, VALUE mesg, VALUE recv, VALUE method);
 void rb_vm_stack_to_heap(rb_thread_t *th);
 void ruby_thread_init_stack(rb_thread_t *th);
 int rb_vm_control_frame_id_and_class(const rb_control_frame_t *cfp, ID *idp, VALUE *klassp);
+void rb_vm_rewind_cfp(rb_thread_t *th, rb_control_frame_t *cfp);
 
 void rb_gc_mark_machine_stack(rb_thread_t *th);