/* * i386/univel_svr4/md.c * Unixware i386 specific functions. * * Copyright (c) 1996, 1997 *	Transvirtual Technologies, Inc.  All rights reserved. * * See the file "license.terms" for information on usage and redistribution  * of this file.  */#include "config.h"#include "config-io.h"#include "config-mem.h"voidinit_md(void){#if defined(HAVE_MMAP)    /* On NCR MP-RAS, address 0x0 to 0x1000 are mapped with PROT_READ so     * NullPointerException are not handled correctly.     * remap this range as PROT_NONE.     * Edouard.Parmelan@France.NCR.COM     */    {	int fd;	if ((fd = open("/dev/zero", O_RDONLY, 0)) != -1) {	    mmap(NULL, 0x1000, PROT_NONE, MAP_PRIVATE|MAP_FIXED, fd, 0);	    close(fd);	}    }#endif}