server/handle.h

   1 /*
   2  * Server-side handle definitions
   3  *
   4  * Copyright (C) 1999 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #ifndef __WINE_SERVER_HANDLE_H
  22 #define __WINE_SERVER_HANDLE_H
  23
  24 #include <stdlib.h>
  25 #include "windef.h"
  26 #include "wine/server_protocol.h"
  27
  28 struct process;
  29 struct object_ops;
  30 struct namespace;
  31 struct unicode_str;
  32
  33 /* handle functions */
  34
  35 /* alloc_handle takes a void *obj for convenience, but you better make sure */
  36 /* that the thing pointed to starts with a struct object... */
  37 extern obj_handle_t alloc_handle( struct process *process, void *obj,
  38                                   unsigned int access, unsigned int attr );
  39 extern obj_handle_t alloc_handle_no_access_check( struct process *process, void *ptr,
  40                                                   unsigned int access, unsigned int attr );
  41 extern int close_handle( struct process *process, obj_handle_t handle );
  42 extern struct object *get_handle_obj( struct process *process, obj_handle_t handle,
  43                                       unsigned int access, const struct object_ops *ops );
  44 extern unsigned int get_handle_access( struct process *process, obj_handle_t handle );
  45 extern obj_handle_t duplicate_handle( struct process *src, obj_handle_t src_handle, struct process *dst,
  46                                       unsigned int access, unsigned int attr, unsigned int options );
  47 extern obj_handle_t open_object( const struct namespace *namespace, const struct unicode_str *name,
  48                                  const struct object_ops *ops, unsigned int access, unsigned int attr );
  49 extern obj_handle_t find_inherited_handle( struct process *process, const struct object_ops *ops );
  50 extern obj_handle_t enumerate_handles( struct process *process, const struct object_ops *ops,
  51                                        unsigned int *index );
  52 extern struct handle_table *alloc_handle_table( struct process *process, int count );
  53 extern struct handle_table *copy_handle_table( struct process *process, struct process *parent );
  54 extern unsigned int get_handle_table_count( struct process *process);
  55
  56 #endif  /* __WINE_SERVER_HANDLE_H */