xref: /freebsd/contrib/tcpdump/machdep.c (revision ce834215a70ff69e7e222827437116eee2f9ac6f)
1 /*
2  * Copyright (c) 1996
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that: (1) source code distributions
7  * retain the above copyright notice and this paragraph in its entirety, (2)
8  * distributions including binary code include the above copyright notice and
9  * this paragraph in its entirety in the documentation or other materials
10  * provided with the distribution, and (3) all advertising materials mentioning
11  * features or use of this software display the following acknowledgement:
12  * ``This product includes software developed by the University of California,
13  * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
14  * the University nor the names of its contributors may be used to endorse
15  * or promote products derived from this software without specific prior
16  * written permission.
17  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
18  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
19  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
20  */
21 
22 #ifndef lint
23 static const char rcsid[] =
24     "@(#) $Header: machdep.c,v 1.3 96/12/10 23:24:28 leres Exp $ (LBL)";
25 #endif
26 
27 #include <sys/types.h>
28 #ifdef __osf__
29 #include <sys/sysinfo.h>
30 #include <sys/proc.h>
31 #endif
32 
33 #include <pcap.h>
34 
35 #include "machdep.h"
36 
37 int
38 abort_on_misalignment(char *ebuf)
39 {
40 #ifdef __osf__
41 	static int buf[2] = { SSIN_UACPROC, UAC_SIGBUS };
42 
43 	if (setsysinfo(SSI_NVPAIRS, (caddr_t)buf, 1, 0, 0) < 0) {
44 		(void)sprintf(ebuf, "setsysinfo: %s", pcap_strerror(errno));
45 		return (-1);
46 	}
47 #endif
48 	return (0);
49 }
50