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75 lines
2.4 KiB
C
75 lines
2.4 KiB
C
/*
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* dlls/rsaenh/handle.h
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* Support code to manage HANDLE tables.
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*
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* Copyright 1998 Alexandre Julliard
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* Copyright 2002-2004 Mike McCormack for CodeWeavers
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* Copyright 2004 Michael Jung
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef __WINE_HANDLE_H
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#define __WINE_HANDLE_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define TABLE_SIZE_INCREMENT 32
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struct tagOBJECTHDR;
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typedef struct tagOBJECTHDR OBJECTHDR;
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typedef void (*DESTRUCTOR)(OBJECTHDR *object);
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struct tagOBJECTHDR
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{
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DWORD dwType;
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LONG refcount;
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DESTRUCTOR destructor;
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};
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typedef struct tagHANDLETABLEENTRY
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{
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OBJECTHDR *pObject;
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unsigned int iNextFree;
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} HANDLETABLEENTRY;
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typedef struct tagHANDLETABLE
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{
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unsigned int iEntries;
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unsigned int iFirstFree;
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HANDLETABLEENTRY *paEntries;
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CRITICAL_SECTION mutex;
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} HANDLETABLE;
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int alloc_handle_table (HANDLETABLE **lplpTable);
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void init_handle_table (HANDLETABLE *lpTable);
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void release_all_handles (HANDLETABLE *lpTable);
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int release_handle_table(HANDLETABLE *lpTable);
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void destroy_handle_table(HANDLETABLE *lpTable);
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int alloc_handle (HANDLETABLE *lpTable, OBJECTHDR *lpObject, unsigned int *lpHandle);
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int release_handle (HANDLETABLE *lpTable, unsigned int handle, DWORD dwType);
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int copy_handle (HANDLETABLE *lpTable, unsigned int handle, DWORD dwType, unsigned int *copy);
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int lookup_handle (HANDLETABLE *lpTable, unsigned int handle, DWORD dwType, OBJECTHDR **lplpObject);
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int is_valid_handle (HANDLETABLE *lpTable, unsigned int handle, DWORD dwType);
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unsigned int new_object (HANDLETABLE *lpTable, size_t cbSize, DWORD dwType, DESTRUCTOR destructor,
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OBJECTHDR **ppObject);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __WINE_HANDLE_H */
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