usr/src/cmd/dtrace/test/tst/common/stop/tst.stop1.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  * ASSERTION:
  31  *      Positive test for stop
  32  *
  33  * SECTION: Actions and Subroutines/stop()
  34  */
  35
  36 #pragma D option destructive
  37
  38 BEGIN
  39 {
  40         /*
  41          * Wait no more than a second for the process to call getpid().
  42          */
  43         timeout = timestamp + 1000000000;
  44         stopped = 0;
  45 }
  46
  47 syscall::getpid:entry
  48 /pid == $1 && stopped == 1/
  49 {
  50         trace("looks like it's still going");
  51         exit(1);
  52 }
  53
  54 syscall::getpid:entry
  55 /pid == $1 && stopped == 0/
  56 {
  57         stop();
  58         trace("stopped");
  59         stopped = 1;
  60         /*
  61          * Wait for a quarter second before declaring victory.
  62          */
  63         timeout = timestamp + 1000000000 / 4;
  64 }
  65
  66 profile:::tick-8
  67 /timestamp > timeout && stopped == 1/
  68 {
  69         trace("looks like it really stopped");
  70         exit(0);
  71 }
  72
  73 profile:::tick-8
  74 /timestamp > timeout/
  75 {
  76         trace("timed out");
  77         exit(1);
  78 }