wine/dlls/rsaenh/handle.h

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