rb_thread_mark     75 cont.c         void rb_thread_mark(rb_thread_t *th);
rb_thread_mark     84 cont.c         	rb_thread_mark(&cont->saved_thread);
rb_thread_mark   1612 vm.c               obj = Data_Wrap_Struct(klass, rb_thread_mark, thread_free, th);
rb_thread_mark   1615 vm.c               obj = Data_Make_Struct(klass, rb_thread_t, rb_thread_mark, thread_free, th);
rb_thread_mark   1919 vm.c           	th_self = th->self = Data_Wrap_Struct(rb_cThread, rb_thread_mark, thread_free, th);