rb_thread_interrupt  275 thread.c       	rb_thread_interrupt(th);
rb_thread_interrupt  450 thread.c       	    rb_thread_interrupt(join_th);
rb_thread_interrupt 1257 thread.c           rb_thread_interrupt(th);
rb_thread_interrupt 1397 thread.c           rb_thread_interrupt(th);
rb_thread_interrupt 2539 thread.c       	rb_thread_interrupt(mth);