4 * Copyright (C) 1998 Alexandre Julliard
7 #ifndef __WINE_SERVER_OBJECT_H
8 #define __WINE_SERVER_OBJECT_H
10 #ifndef __WINE_SERVER__
11 #error This file can only be used in the Wine server
27 struct wait_queue_entry
;
30 /* operations valid on all objects */
33 /* size of this object type */
35 /* dump the object (for debugging) */
36 void (*dump
)(struct object
*,int);
37 /* add a thread to the object wait queue */
38 int (*add_queue
)(struct object
*,struct wait_queue_entry
*);
39 /* remove a thread from the object wait queue */
40 void (*remove_queue
)(struct object
*,struct wait_queue_entry
*);
41 /* is object signaled? */
42 int (*signaled
)(struct object
*,struct thread
*);
43 /* wait satisfied; return 1 if abandoned */
44 int (*satisfied
)(struct object
*,struct thread
*);
45 /* get the events we want to poll() for on this object */
46 int (*get_poll_events
)(struct object
*);
47 /* a poll() event occured */
48 void (*poll_event
)(struct object
*,int event
);
49 /* return a Unix fd that can be used to read/write from the object */
50 int (*get_fd
)(struct object
*);
51 /* flush the object buffers */
52 int (*flush
)(struct object
*);
53 /* get file information */
54 int (*get_file_info
)(struct object
*,struct get_file_info_request
*);
55 /* destroy on refcount == 0 */
56 void (*destroy
)(struct object
*);
61 unsigned int refcount
; /* reference count */
62 int fd
; /* file descriptor */
63 int select
; /* select() user id */
64 const struct object_ops
*ops
;
65 struct wait_queue_entry
*head
;
66 struct wait_queue_entry
*tail
;
67 struct object_name
*name
;
74 struct wait_queue_entry
76 struct wait_queue_entry
*next
;
77 struct wait_queue_entry
*prev
;
79 struct thread
*thread
;
82 extern void *mem_alloc( size_t size
); /* malloc wrapper */
83 extern void *memdup( const void *data
, size_t len
);
84 extern void *alloc_object( const struct object_ops
*ops
, int fd
);
85 extern void dump_object_name( struct object
*obj
);
86 extern void *create_named_object( const struct object_ops
*ops
, const WCHAR
*name
, size_t len
);
87 /* grab/release_object can take any pointer, but you better make sure */
88 /* that the thing pointed to starts with a struct object... */
89 extern struct object
*grab_object( void *obj
);
90 extern void release_object( void *obj
);
91 extern struct object
*find_object( const WCHAR
*name
, size_t len
);
92 extern int no_add_queue( struct object
*obj
, struct wait_queue_entry
*entry
);
93 extern int no_satisfied( struct object
*obj
, struct thread
*thread
);
94 extern int no_get_fd( struct object
*obj
);
95 extern int no_flush( struct object
*obj
);
96 extern int no_get_file_info( struct object
*obj
, struct get_file_info_request
*info
);
97 extern void no_destroy( struct object
*obj
);
98 extern int default_poll_add_queue( struct object
*obj
, struct wait_queue_entry
*entry
);
99 extern void default_poll_remove_queue( struct object
*obj
, struct wait_queue_entry
*entry
);
100 extern int default_poll_signaled( struct object
*obj
, struct thread
*thread
);
101 extern void default_poll_event( struct object
*obj
, int event
);
103 extern void dump_objects(void);
106 /* select functions */
108 extern int add_select_user( struct object
*obj
);
109 extern void remove_select_user( struct object
*obj
);
110 extern void change_select_fd( struct object
*obj
, int fd
);
111 extern void set_select_events( struct object
*obj
, int events
);
112 extern int check_select_events( int fd
, int events
);
113 extern void select_loop(void);
115 /* timeout functions */
119 typedef void (*timeout_callback
)( void *private );
121 extern struct timeout_user
*add_timeout_user( struct timeval
*when
,
122 timeout_callback func
, void *private );
123 extern void remove_timeout_user( struct timeout_user
*user
);
124 extern void add_timeout( struct timeval
*when
, int timeout
);
125 /* return 1 if t1 is before t2 */
126 static inline int time_before( struct timeval
*t1
, struct timeval
*t2
)
128 return ((t1
->tv_sec
< t2
->tv_sec
) ||
129 ((t1
->tv_sec
== t2
->tv_sec
) && (t1
->tv_usec
< t2
->tv_usec
)));
132 /* event functions */
136 extern struct event
*create_event( const WCHAR
*name
, size_t len
,
137 int manual_reset
, int initial_state
);
138 extern struct event
*get_event_obj( struct process
*process
, handle_t handle
, unsigned int access
);
139 extern void pulse_event( struct event
*event
);
140 extern void set_event( struct event
*event
);
141 extern void reset_event( struct event
*event
);
143 /* mutex functions */
145 extern void abandon_mutexes( struct thread
*thread
);
149 extern struct file
*get_file_obj( struct process
*process
, handle_t handle
,
150 unsigned int access
);
151 extern int grow_file( struct file
*file
, int size_high
, int size_low
);
152 extern int create_anonymous_file(void);
153 extern struct file
*create_temp_file( int access
);
154 extern void file_set_error(void);
156 /* serial functions */
158 int get_serial_async_timeout(struct object
*obj
, int type
, int count
);
160 /* console functions */
162 extern int alloc_console( struct process
*process
);
163 extern int free_console( struct process
*process
);
165 /* debugger functions */
167 extern int set_process_debugger( struct process
*process
, struct thread
*debugger
);
168 extern void generate_debug_event( struct thread
*thread
, int code
, void *arg
);
169 extern void generate_startup_debug_events( struct process
*process
, void *entry
);
170 extern void debug_exit_thread( struct thread
*thread
);
172 /* mapping functions */
174 extern int get_page_size(void);
176 /* registry functions */
178 extern void init_registry(void);
179 extern void close_registry(void);
183 extern void close_atom_table(void);
185 /* global variables */
187 /* command-line options */
188 extern int debug_level
;
189 extern int persistent_server
;
191 /* server start time used for GetTickCount() */
192 extern unsigned int server_start_ticks
;
194 #endif /* __WINE_SERVER_OBJECT_H */