usr/src/cmd/dtrace/test/tst/common/funcs/tst.progenyof.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
  28 #pragma ident   "%Z%%M% %I%     %E% SMI"
  29
  30 /*
  31  * ASSERTION:
  32  *      progenyof() should return non-zero if the pid passed is in the
  33  #      progeny of the calling process.
  34  *
  35  * SECTION: Actions and Subroutines/progenyof()
  36  *
  37  */
  38
  39 #pragma D option quiet
  40
  41
  42 BEGIN
  43 {
  44         res_1 = -1;
  45         res_2 = -1;
  46         res_3 = -1;
  47
  48         res_1 = progenyof($ppid);       /* this will always be true */
  49         res_2  = progenyof($ppid + 1);  /* this will always be false */
  50         res_3 = progenyof(1);           /* this will always be true */
  51 }
  52
  53
  54 tick-1
  55 /res_1 > 0 && res_2 == 0 && res_3 > 0/
  56 {
  57         exit(0);
  58 }
  59
  60 tick-1
  61 /res_1 <= 0 || res_2 != 0 || res_3 <= 0/
  62 {
  63         exit(1);
  64 }