usr/src/cmd/dtrace/test/tst/common/scalars/tst.misc.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  *  Test the different kinds of integer scalar references.  In particular, we
  32  *  test accessing a kernel executable scalar, kernel scoped scalar, DTrace
  33  *  scalar first ref that forces creation (both global and TLS), and DTrace
  34  *  scalar subsequent reference (both global and TLS).
  35  *
  36  * SECTION:  Variables/External Variables
  37  *
  38  */
  39
  40 BEGIN
  41 {
  42         printf("\nkmem_flags = 0x%x\n", `kmem_flags);
  43         printf("ufs`ufs_allow_shared_writes = %d\n",
  44             ufs`ufs_allow_shared_writes);
  45         x = 123;
  46         printf("x = %u\n", x);
  47         self->x = 456;
  48         printf("self->x = %u\n", self->x);
  49         exit(0);
  50 }