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

   1 #!/usr/sbin/dtrace -Cs
   2
   3 /*
   4  * CDDL HEADER START
   5  *
   6  * The contents of this file are subject to the terms of the
   7  * Common Development and Distribution License (the "License").
   8  * You may not use this file except in compliance with the License.
   9  *
  10  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  11  * or http://www.opensolaris.org/os/licensing.
  12  * See the License for the specific language governing permissions
  13  * and limitations under the License.
  14  *
  15  * When distributing Covered Code, include this CDDL HEADER in each
  16  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  17  * If applicable, add the following below this CDDL HEADER, with the
  18  * fields enclosed by brackets "[]" replaced with your own identifying
  19  * information: Portions Copyright [yyyy] [name of copyright owner]
  20  *
  21  * CDDL HEADER END
  22  */
  23
  24 /*
  25  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  26  * Use is subject to license terms.
  27  */
  28
  29 #pragma ident   "%Z%%M% %I%     %E% SMI"
  30
  31 /*
  32  * We set our buffer size absurdly low to prevent a flood of errors that we
  33  * don't care about.
  34  */
  35 #pragma D option bufsize=16
  36 #pragma D option bufpolicy=ring
  37
  38 fbt:::
  39 {
  40         n++;
  41 #ifdef __sparc
  42         trace(*(int *)0x8000000000000000 ^ rand());
  43 #else
  44         trace(*(int *)(`kernelbase - 1));
  45 #endif
  46 }
  47
  48 dtrace:::ERROR
  49 {
  50         err++;
  51 }
  52
  53 tick-1sec
  54 /sec++ == 10/
  55 {
  56         exit(2);
  57 }
  58
  59 END
  60 /n == 0 || err == 0/
  61 {
  62         exit(1);
  63 }
  64
  65 END
  66 /n != 0 && err != 0/
  67 {
  68         exit(0);
  69 }