abort

/*
 *  call-seq:
 *     abort
 *     Kernel::abort
 *     Process::abort
 *  
 *  Terminate execution immediately, effectively by calling
 *  <code>Kernel.exit(1)</code>. If _msg_ is given, it is written
 *  to STDERR prior to terminating.
 */

VALUE
rb_f_abort(argc, argv)
    int argc;
    VALUE *argv;
{
    rb_secure(4);
    if (argc == 0) {
        if (!NIL_P(ruby_errinfo)) {
            error_print();
        }
        rb_exit(EXIT_FAILURE);
    }
    else {
        VALUE mesg;

        rb_scan_args(argc, argv, "1", &mesg);
        StringValue(mesg);
        rb_io_puts(1, &mesg, rb_stderr);
        terminate_process(EXIT_FAILURE, mesg);
    }
    return Qnil;                /* not reached */
}