rb_disable_interrupt  978 process.c        (rb_thread_reset_timer_thread(), rb_thread_start_timer_thread(), forked_child = 0, rb_disable_interrupt())
rb_disable_interrupt  564 signal.c       	    rb_disable_interrupt();
rb_disable_interrupt   74 thread.c       void rb_disable_interrupt(void);
rb_disable_interrupt  801 thread_pthread.c     rb_disable_interrupt(); /* only timer thread recieve signal */
rb_disable_interrupt  583 vm_core.h      void rb_disable_interrupt(void);