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__ */ 60