usr/src/cmd/fm/modules/common/eversholt/eval.h

   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  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  *
  25  * eval.h -- public definitions for eval module
  26  *
  27  */
  28
  29 #ifndef _EFT_EVAL_H
  30 #define _EFT_EVAL_H
  31
  32 #pragma ident   "%Z%%M% %I%     %E% SMI"
  33
  34 #ifdef  __cplusplus
  35 extern "C" {
  36 #endif
  37
  38 struct evalue {
  39         enum datatype {
  40                 UNDEFINED = 0,
  41                 UINT64,         /* use for Boolean as well */
  42                 STRING,         /* usually pointer from stable() */
  43                 NODEPTR         /* (struct node *) */
  44         } t;
  45         /*
  46          * using v to handle all values eliminates the need for switch()
  47          * blocks during assignments, comparisons and other operations
  48          */
  49         unsigned long long v;
  50 };
  51
  52 int eval_potential(struct node *np, struct lut *ex, struct node *events[],
  53     struct node **newc, struct config *croot);
  54 int eval_expr(struct node *np, struct lut *ex, struct node *events[],
  55         struct lut **globals, struct config *croot, struct arrow *arrowp,
  56         int try, struct evalue *valuep);
  57
  58 #ifdef  __cplusplus
  59 }
  60 #endif
  61
  62 #endif  /* _EFT_EVAL_H */