rb_last_status_set  638 include/ruby/intern.h void rb_last_status_set(int status, rb_pid_t pid);
rb_last_status_set 5708 io.c               rb_last_status_set(status, fptr->pid);
rb_last_status_set  914 process.c      	rb_last_status_set(*st, result);
rb_last_status_set 3962 process.c      	rb_last_status_set(0x7f << 8, 0);
rb_last_status_set 3965 process.c          rb_last_status_set((status & 0xff) << 8, 0);