exit!

/*
 *  call-seq:
 *     Process.exit!(fixnum=-1)
 *
 *  Exits the process immediately. No exit handlers are
 *  run. <em>fixnum</em> is returned to the underlying system as the
 *  exit status.
 *
 *     Process.exit!(0)
 */

static VALUE
rb_f_exit_bang(argc, argv, obj)
    int argc;
    VALUE *argv;
    VALUE obj;
{
    VALUE status;
    int istatus;

    rb_secure(4);
    if (rb_scan_args(argc, argv, "01", &status) == 1) {
        switch (status) {
          case Qtrue:
            istatus = EXIT_SUCCESS;
            break;
          case Qfalse:
            istatus = EXIT_FAILURE;
            break;
          default:
            istatus = NUM2INT(status);
            break;
        }
    }
    else {
        istatus = EXIT_FAILURE;
    }
    _exit(istatus);

    return Qnil;                /* not reached */
}