244 lines
9.8 KiB
C
244 lines
9.8 KiB
C
/*
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* Wine server objects
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*
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* Copyright (C) 1998 Alexandre Julliard
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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_SERVER_OBJECT_H
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#define __WINE_SERVER_OBJECT_H
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#ifdef HAVE_SYS_POLL_H
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#include <sys/poll.h>
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#endif
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#include <sys/time.h>
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#include "wine/server_protocol.h"
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#include "wine/list.h"
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#define DEBUG_OBJECTS
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/* kernel objects */
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struct namespace;
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struct object;
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struct object_name;
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struct thread;
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struct process;
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struct token;
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struct file;
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struct wait_queue_entry;
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struct async;
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struct async_queue;
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struct winstation;
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struct directory;
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struct object_type;
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struct unicode_str
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{
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const WCHAR *str;
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data_size_t len;
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};
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/* operations valid on all objects */
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struct object_ops
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{
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/* size of this object type */
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size_t size;
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/* dump the object (for debugging) */
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void (*dump)(struct object *,int);
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/* return the object type */
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struct object_type *(*get_type)(struct object *);
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/* add a thread to the object wait queue */
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int (*add_queue)(struct object *,struct wait_queue_entry *);
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/* remove a thread from the object wait queue */
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void (*remove_queue)(struct object *,struct wait_queue_entry *);
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/* is object signaled? */
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int (*signaled)(struct object *,struct wait_queue_entry *);
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/* wait satisfied */
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void (*satisfied)(struct object *,struct wait_queue_entry *);
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/* signal an object */
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int (*signal)(struct object *, unsigned int);
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/* return an fd object that can be used to read/write from the object */
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struct fd *(*get_fd)(struct object *);
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/* map access rights to the specific rights for this object */
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unsigned int (*map_access)(struct object *, unsigned int);
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/* returns the security descriptor of the object */
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struct security_descriptor *(*get_sd)( struct object * );
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/* sets the security descriptor of the object */
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int (*set_sd)( struct object *, const struct security_descriptor *, unsigned int );
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/* lookup a name if an object has a namespace */
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struct object *(*lookup_name)(struct object *, struct unicode_str *,unsigned int);
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/* open a file object to access this object */
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struct object *(*open_file)(struct object *, unsigned int access, unsigned int sharing,
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unsigned int options);
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/* close a handle to this object */
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int (*close_handle)(struct object *,struct process *,obj_handle_t);
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/* destroy on refcount == 0 */
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void (*destroy)(struct object *);
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};
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struct object
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{
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unsigned int refcount; /* reference count */
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unsigned int handle_count;/* handle count */
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const struct object_ops *ops;
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struct list wait_queue;
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struct object_name *name;
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struct security_descriptor *sd;
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#ifdef DEBUG_OBJECTS
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struct list obj_list;
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#endif
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};
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struct wait_queue_entry
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{
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struct list entry;
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struct object *obj;
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struct thread_wait *wait;
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};
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extern void *mem_alloc( size_t size ); /* malloc wrapper */
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extern void *memdup( const void *data, size_t len );
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extern void *alloc_object( const struct object_ops *ops );
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extern const WCHAR *get_object_name( struct object *obj, data_size_t *len );
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extern WCHAR *get_object_full_name( struct object *obj, data_size_t *ret_len );
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extern void dump_object_name( struct object *obj );
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extern void *create_object( struct namespace *namespace, const struct object_ops *ops,
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const struct unicode_str *name, struct object *parent );
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extern void *create_named_object( struct namespace *namespace, const struct object_ops *ops,
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const struct unicode_str *name, unsigned int attributes );
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extern void unlink_named_object( struct object *obj );
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extern void make_object_static( struct object *obj );
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extern struct namespace *create_namespace( unsigned int hash_size );
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/* grab/release_object can take any pointer, but you better make sure */
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/* that the thing pointed to starts with a struct object... */
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extern struct object *grab_object( void *obj );
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extern void release_object( void *obj );
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extern struct object *find_object( const struct namespace *namespace, const struct unicode_str *name,
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unsigned int attributes );
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extern struct object *find_object_index( const struct namespace *namespace, unsigned int index );
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extern struct object_type *no_get_type( struct object *obj );
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extern int no_add_queue( struct object *obj, struct wait_queue_entry *entry );
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extern void no_satisfied( struct object *obj, struct wait_queue_entry *entry );
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extern int no_signal( struct object *obj, unsigned int access );
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extern struct fd *no_get_fd( struct object *obj );
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extern unsigned int no_map_access( struct object *obj, unsigned int access );
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extern struct security_descriptor *default_get_sd( struct object *obj );
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extern int default_set_sd( struct object *obj, const struct security_descriptor *sd, unsigned int set_info );
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extern int set_sd_defaults_from_token( struct object *obj, const struct security_descriptor *sd,
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unsigned int set_info, struct token *token );
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extern struct object *no_lookup_name( struct object *obj, struct unicode_str *name, unsigned int attributes );
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extern struct object *no_open_file( struct object *obj, unsigned int access, unsigned int sharing,
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unsigned int options );
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extern int no_close_handle( struct object *obj, struct process *process, obj_handle_t handle );
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extern void no_destroy( struct object *obj );
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#ifdef DEBUG_OBJECTS
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extern void dump_objects(void);
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extern void close_objects(void);
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#endif
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/* event functions */
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struct event;
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struct keyed_event;
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extern struct event *create_event( struct directory *root, const struct unicode_str *name,
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unsigned int attr, int manual_reset, int initial_state,
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const struct security_descriptor *sd );
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extern struct keyed_event *create_keyed_event( struct directory *root, const struct unicode_str *name,
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unsigned int attr, const struct security_descriptor *sd );
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extern struct event *get_event_obj( struct process *process, obj_handle_t handle, unsigned int access );
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extern struct keyed_event *get_keyed_event_obj( struct process *process, obj_handle_t handle, unsigned int access );
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extern void pulse_event( struct event *event );
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extern void set_event( struct event *event );
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extern void reset_event( struct event *event );
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/* mutex functions */
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extern void abandon_mutexes( struct thread *thread );
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/* serial functions */
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int get_serial_async_timeout(struct object *obj, int type, int count);
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/* socket functions */
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extern void sock_init(void);
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/* debugger functions */
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extern int set_process_debugger( struct process *process, struct thread *debugger );
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extern void generate_debug_event( struct thread *thread, int code, const void *arg );
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extern void generate_startup_debug_events( struct process *process, client_ptr_t entry );
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extern void debug_exit_thread( struct thread *thread );
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/* registry functions */
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extern unsigned int get_prefix_cpu_mask(void);
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extern void init_registry(void);
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extern void flush_registry(void);
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/* signal functions */
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extern void start_watchdog(void);
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extern void stop_watchdog(void);
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extern int watchdog_triggered(void);
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extern void init_signals(void);
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/* atom functions */
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extern atom_t add_global_atom( struct winstation *winstation, const struct unicode_str *str );
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extern atom_t find_global_atom( struct winstation *winstation, const struct unicode_str *str );
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extern int grab_global_atom( struct winstation *winstation, atom_t atom );
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extern void release_global_atom( struct winstation *winstation, atom_t atom );
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/* directory functions */
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extern struct directory *get_directory_obj( struct process *process, obj_handle_t handle, unsigned int access );
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extern struct object *find_object_dir( struct directory *root, const struct unicode_str *name,
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unsigned int attr, struct unicode_str *name_left );
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extern void *create_named_object_dir( struct directory *root, const struct unicode_str *name,
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unsigned int attr, const struct object_ops *ops );
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extern void *open_object_dir( struct directory *root, const struct unicode_str *name,
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unsigned int attr, const struct object_ops *ops );
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extern struct object_type *get_object_type( const struct unicode_str *name );
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extern void init_directories(void);
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/* symbolic link functions */
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extern struct symlink *create_symlink( struct directory *root, const struct unicode_str *name,
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unsigned int attr, const struct unicode_str *target,
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const struct security_descriptor *sd );
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/* global variables */
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/* command-line options */
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extern int debug_level;
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extern int foreground;
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extern timeout_t master_socket_timeout;
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extern const char *server_argv0;
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/* server start time used for GetTickCount() */
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extern timeout_t server_start_time;
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#define KEYEDEVENT_WAIT 0x0001
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#define KEYEDEVENT_WAKE 0x0002
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#define KEYEDEVENT_ALL_ACCESS (STANDARD_RIGHTS_REQUIRED | 0x0003)
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#endif /* __WINE_SERVER_OBJECT_H */
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