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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  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
  32 /* handle functions */
  33
  34 /* alloc_handle takes a void *obj for convenience, but you better make sure */
  35 /* that the thing pointed to starts with a struct object... */
  36 extern obj_handle_t alloc_handle( struct process *process, void *obj,
  37                               unsigned int access, int inherit );
  38 extern int close_handle( struct process *process, obj_handle_t handle, int *fd );
  39 extern struct object *get_handle_obj( struct process *process, obj_handle_t handle,
  40                                       unsigned int access, const struct object_ops *ops );
  41 extern unsigned int get_handle_access( struct process *process, obj_handle_t handle );
  42 extern int get_handle_unix_fd( struct process *process, obj_handle_t handle, unsigned int access );
  43 extern int set_handle_info( struct process *process, obj_handle_t handle, int mask, int flags, int *fd );
  44 extern obj_handle_t duplicate_handle( struct process *src, obj_handle_t src_handle, struct process *dst,
  45                                   unsigned int access, int inherit, int options );
  46 extern obj_handle_t open_object( const struct namespace *namespace, const WCHAR *name, size_t len,
  47                                  const struct object_ops *ops, unsigned int access, int inherit );
  48 extern obj_handle_t find_inherited_handle( struct process *process, const struct object_ops *ops );
  49 extern struct handle_table *alloc_handle_table( struct process *process, int count );
  50 extern struct handle_table *copy_handle_table( struct process *process, struct process *parent );
  51 extern unsigned int get_handle_table_count( struct process *process);
  52 extern int flush_cached_fd( struct process *process, obj_handle_t handle );
  53
  54 extern void close_global_handles(void);
  55
  56 #endif  /* __WINE_SERVER_HANDLE_H */