lookup.subproj/si_data.h

   1 /*
   2  * Copyright (c) 2008 Apple Inc.  All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24 #ifndef __SI_DATA_H__
  25 #define __SI_DATA_H__
  26
  27 #include <stdint.h>
  28
  29 typedef struct
  30 {
  31         void *src;
  32         uint32_t type;
  33         int32_t refcount;
  34         uint64_t validation_a;
  35         uint64_t validation_b;
  36 } si_item_t;
  37
  38 typedef struct
  39 {
  40         int32_t refcount;
  41         uint32_t count;
  42         uint32_t curr;
  43         si_item_t **entry;
  44 } si_list_t;
  45
  46 /* list construction - these do not retain items */
  47 si_list_t *si_list_add(si_list_t *l, si_item_t *e);
  48 si_list_t *si_list_concat(si_list_t *l, si_list_t *x);
  49
  50 si_list_t *si_list_retain(si_list_t *l);
  51 void si_list_release(si_list_t *l);
  52
  53 si_item_t *si_list_next(si_list_t *list);
  54 void si_list_reset(si_list_t *list);
  55
  56 si_item_t *si_item_retain(si_item_t *item);
  57 void si_item_release(si_item_t *item);
  58
  59 #endif /* ! __SI_DATA_H__ */