The Tcpdump Group git mirrors - tcpdump/blob - machdep.c

   1 /*
   2  * Copyright (c) 1996, 1997
   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: /tcpdump/master/tcpdump/machdep.c,v 1.4 1999-10-07 23:47:10 mcr 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 "machdep.h"
  34
  35 int
  36 abort_on_misalignment(char *ebuf)
  37 {
  38 #ifdef __osf__
  39         static int buf[2] = { SSIN_UACPROC, UAC_SIGBUS };
  40
  41         if (setsysinfo(SSI_NVPAIRS, (caddr_t)buf, 1, 0, 0) < 0) {
  42                 (void)sprintf(ebuf, "setsysinfo: errno %d", errno);
  43                 return (-1);
  44         }
  45 #endif
  46         return (0);
  47 }