238 lines
9.1 KiB
C
238 lines
9.1 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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#ifndef __WINE_SERVER_OBJECT_H
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#define __WINE_SERVER_OBJECT_H
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#ifndef __WINE_SERVER__
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#error This file can only be used in the Wine server
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#endif
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#include <sys/time.h>
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#include "server.h"
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#include "server/request.h"
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/* kernel objects */
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struct object;
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struct object_name;
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struct thread;
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struct file;
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struct wait_queue_entry;
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/* operations valid on all objects */
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struct object_ops
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{
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/* dump the object (for debugging) */
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void (*dump)(struct object *,int);
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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 thread *);
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/* wait satisfied; return 1 if abandoned */
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int (*satisfied)(struct object *,struct thread *);
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/* return a Unix fd that can be used to read from the object */
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int (*get_read_fd)(struct object *);
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/* return a Unix fd that can be used to write to the object */
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int (*get_write_fd)(struct object *);
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/* flush the object buffers */
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int (*flush)(struct object *);
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/* get file information */
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int (*get_file_info)(struct object *,struct get_file_info_reply *);
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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;
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const struct object_ops *ops;
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struct wait_queue_entry *head;
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struct wait_queue_entry *tail;
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struct object_name *name;
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};
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extern void *mem_alloc( size_t size ); /* malloc wrapper */
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extern struct object *create_named_object( const char *name, const struct object_ops *ops,
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size_t size );
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extern int init_object( struct object *obj, const struct object_ops *ops, const char *name );
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extern const char *get_object_name( struct object *obj );
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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 char *name );
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extern int no_add_queue( struct object *obj, struct wait_queue_entry *entry );
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extern int no_satisfied( struct object *obj, struct thread *thread );
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extern int no_read_fd( struct object *obj );
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extern int no_write_fd( struct object *obj );
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extern int no_flush( struct object *obj );
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extern int no_get_file_info( struct object *obj, struct get_file_info_reply *info );
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extern void default_select_event( int fd, int event, void *private );
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/* request handlers */
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struct iovec;
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struct thread;
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extern void call_req_handler( struct thread *thread, enum request req,
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void *data, int len, int fd );
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extern void call_timeout_handler( struct thread *thread );
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extern void call_kill_handler( struct thread *thread, int exit_code );
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extern void trace_request( enum request req, void *data, int len, int fd );
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extern void trace_timeout(void);
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extern void trace_kill( int exit_code );
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extern void trace_reply( struct thread *thread, int type, int pass_fd,
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struct iovec *vec, int veclen );
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/* select functions */
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#define READ_EVENT 1
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#define WRITE_EVENT 2
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struct select_ops
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{
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void (*event)( int fd, int event, void *private );
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void (*timeout)( int fd, void *private );
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};
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extern int add_select_user( int fd, int events, const struct select_ops *ops, void *private );
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extern void remove_select_user( int fd );
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extern void set_select_timeout( int fd, struct timeval *when );
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extern void set_select_events( int fd, int events );
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extern void *get_select_private_data( const struct select_ops *ops, int fd );
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extern void select_loop(void);
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/* socket functions */
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extern void server_init( int fd );
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extern int add_client( int client_fd, struct thread *self );
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extern void remove_client( int client_fd, int exit_code );
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extern int get_initial_client_fd(void);
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extern void set_timeout( int client_fd, struct timeval *when );
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extern int send_reply_v( int client_fd, int type, int pass_fd,
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struct iovec *vec, int veclen );
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/* process functions */
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struct process;
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extern struct process *create_process(void);
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extern struct process *get_process_from_id( void *id );
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extern struct process *get_process_from_handle( int handle, unsigned int access );
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extern void add_process_thread( struct process *process,
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struct thread *thread );
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extern void remove_process_thread( struct process *process,
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struct thread *thread );
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extern void kill_process( struct process *process, int exit_code );
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extern void get_process_info( struct process *process,
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struct get_process_info_reply *reply );
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extern void set_process_info( struct process *process,
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struct set_process_info_request *req );
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extern int alloc_console( struct process *process );
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extern int free_console( struct process *process );
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extern struct object *get_console( struct process *process, int output );
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/* handle functions */
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/* alloc_handle takes a void *obj for convenience, but you better make sure */
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/* that the thing pointed to starts with a struct object... */
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extern int alloc_handle( struct process *process, void *obj,
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unsigned int access, int inherit );
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extern int close_handle( struct process *process, int handle );
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extern int set_handle_info( struct process *process, int handle,
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int mask, int flags );
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extern struct object *get_handle_obj( struct process *process, int handle,
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unsigned int access, const struct object_ops *ops );
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extern int duplicate_handle( struct process *src, int src_handle, struct process *dst,
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int dst_handle, unsigned int access, int inherit, int options );
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extern int open_object( const char *name, const struct object_ops *ops,
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unsigned int access, int inherit );
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/* event functions */
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extern struct object *create_event( const char *name, int manual_reset, int initial_state );
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extern int open_event( unsigned int access, int inherit, const char *name );
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extern int pulse_event( int handle );
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extern int set_event( int handle );
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extern int reset_event( int handle );
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/* mutex functions */
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extern struct object *create_mutex( const char *name, int owned );
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extern int open_mutex( unsigned int access, int inherit, const char *name );
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extern int release_mutex( int handle );
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extern void abandon_mutexes( struct thread *thread );
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/* semaphore functions */
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extern struct object *create_semaphore( const char *name, unsigned int initial, unsigned int max );
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extern int open_semaphore( unsigned int access, int inherit, const char *name );
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extern int release_semaphore( int handle, unsigned int count, unsigned int *prev_count );
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/* file functions */
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extern struct object *create_file( int fd, const char *name, unsigned int access,
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unsigned int sharing, int create, unsigned int attrs );
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extern struct file *get_file_obj( struct process *process, int handle,
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unsigned int access );
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extern int file_get_mmap_fd( struct file *file );
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extern int set_file_pointer( int handle, int *low, int *high, int whence );
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extern int truncate_file( int handle );
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extern int set_file_time( int handle, time_t access_time, time_t write_time );
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extern int file_lock( struct file *file, int offset_high, int offset_low,
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int count_high, int count_low );
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extern int file_unlock( struct file *file, int offset_high, int offset_low,
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int count_high, int count_low );
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extern void file_set_error(void);
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/* pipe functions */
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extern int create_pipe( struct object *obj[2] );
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/* console functions */
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struct tagINPUT_RECORD;
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extern int create_console( int fd, struct object *obj[2] );
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extern int set_console_fd( int handle, int fd, int pid );
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extern int get_console_mode( int handle, int *mode );
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extern int set_console_mode( int handle, int mode );
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extern int set_console_info( int handle, struct set_console_info_request *req,
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const char *title );
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extern int get_console_info( int handle, struct get_console_info_reply *reply,
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const char **title );
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extern int write_console_input( int handle, int count, struct tagINPUT_RECORD *records );
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extern int read_console_input( int handle, int count, int flush );
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/* change notification functions */
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extern struct object *create_change_notification( int subtree, int filter );
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/* file mapping functions */
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extern struct object *create_mapping( int size_high, int size_low, int protect,
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int handle, const char *name );
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extern int open_mapping( unsigned int access, int inherit, const char *name );
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extern int get_mapping_info( int handle, struct get_mapping_info_reply *reply );
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/* device functions */
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extern struct object *create_device( int id );
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extern int debug_level;
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#endif /* __WINE_SERVER_OBJECT_H */
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