handletypes.h
1 /* 2 * Copyright (c) 2008,2011 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 25 /* 26 * handletypes.h 27 */ 28 #ifndef _H_SS_HANDLE_TYPES 29 #define _H_SS_HANDLE_TYPES 30 31 #include <Security/cssmtype.h> 32 #include <stdint.h> 33 34 #ifdef __cplusplus 35 36 namespace Security { 37 namespace SecurityServer { 38 39 #endif /* __cplusplus */ 40 41 42 /* XXX/gh Might have to be guarded thusly to protect ss_types.h */ 43 /* #ifndef _H_SS_TYPES */ 44 45 /* 46 * These are all uint32_ts behind the curtain, but we try to be 47 * explicit about which kind they are. 48 * By protocol, each of these is in a different address space - i.e. 49 * a KeyHandle and a DbHandle with the same value may or may not refer 50 * to the same thing - it's up to the handle provider. 51 * GenericHandle is for cases where a generic handle is further elaborated 52 * with a "kind code" - currently for ACL manipulations only. 53 */ 54 typedef uint32_t DbHandle; /* database handle */ 55 typedef uint32_t KeyHandle; /* cryptographic key handle */ 56 typedef uint32_t RecordHandle; /* data record identifier handle */ 57 typedef uint32_t SearchHandle; /* search (query) handle */ 58 typedef uint32_t GenericHandle; /* for polymorphic handle uses */ 59 60 static const DbHandle noDb = 0; 61 static const KeyHandle noKey = 0; 62 static const RecordHandle noRecord = 0; 63 static const SearchHandle noSearch = 0; 64 65 /* #endif */ /* _H_SS_TYPES */ 66 67 /* 68 * Required for MIG-generated code; made sense when the above handle types 69 * were all CSSM_HANDLEs 70 */ 71 typedef uint32_t IPCHandle; 72 typedef IPCHandle IPCDbHandle; 73 typedef IPCHandle IPCKeyHandle; 74 typedef IPCHandle IPCRecordHandle; 75 typedef IPCHandle IPCSearchHandle; 76 typedef IPCHandle IPCGenericHandle; 77 78 #ifdef __cplusplus 79 80 } // end namespace SecurityServer 81 } // end namespace Security 82 83 #endif /* __cplusplus */ 84 85 86 #endif /* _H_SS_HANDLE_TYPES */