usr/src/cmd/dtrace/test/tst/common/safety/tst.unalign.d

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #pragma ident   "%Z%%M% %I%     %E% SMI"
  28
  29 /*
  30  * We set our buffer size absurdly low to prevent a flood of errors that we
  31  * don't care about.  Note that this test (unlike some other safety tests)
  32  * doesn't check the error count -- some architectures have no notion of
  33  * alignment.
  34  */
  35 #pragma D option bufsize=16
  36 #pragma D option bufpolicy=ring
  37
  38 fbt:::
  39 {
  40         n++;
  41         trace(*(int *)(rand() | 1));
  42 }
  43
  44 tick-1sec
  45 /sec++ == 10/
  46 {
  47         exit(2);
  48 }
  49
  50 END
  51 /n == 0/
  52 {
  53         exit(1);
  54 }
  55
  56 END
  57 /n != 0/
  58 {
  59         exit(0);
  60 }