2 * Server-side file definitions
4 * Copyright (C) 2003 Alexandre Julliard
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.
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.
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
21 #ifndef __WINE_SERVER_FILE_H
22 #define __WINE_SERVER_FILE_H
30 typedef unsigned __int64 file_pos_t;
32 /* operations valid on file descriptor objects */
35 /* get the events we want to poll() for on this object */
36 int (*get_poll_events)(struct fd *);
37 /* a poll() event occurred */
38 void (*poll_event)(struct fd *,int event);
39 /* flush the object buffers */
40 void (*flush)(struct fd *, struct event **);
41 /* get file information */
42 enum server_fd_type (*get_fd_type)(struct fd *fd);
43 /* perform an ioctl on the file */
44 obj_handle_t (*ioctl)(struct fd *fd, ioctl_code_t code, const async_data_t *async,
45 const void *data, data_size_t size);
46 /* queue an async operation */
47 void (*queue_async)(struct fd *, const async_data_t *data, int type, int count);
48 /* selected events for async i/o need an update */
49 void (*reselect_async)( struct fd *, struct async_queue *queue );
50 /* cancel an async operation */
51 void (*cancel_async)(struct fd *);
54 /* file descriptor functions */
56 extern struct fd *alloc_pseudo_fd( const struct fd_ops *fd_user_ops, struct object *user,
57 unsigned int options );
58 extern void set_no_fd_status( struct fd *fd, unsigned int status );
59 extern struct fd *open_fd( const char *name, int flags, mode_t *mode, unsigned int access,
60 unsigned int sharing, unsigned int options );
61 extern struct fd *create_anonymous_fd( const struct fd_ops *fd_user_ops,
62 int unix_fd, struct object *user, unsigned int options );
63 extern void *get_fd_user( struct fd *fd );
64 extern void set_fd_user( struct fd *fd, const struct fd_ops *ops, struct object *user );
65 extern unsigned int get_fd_options( struct fd *fd );
66 extern int get_unix_fd( struct fd *fd );
67 extern int is_same_file_fd( struct fd *fd1, struct fd *fd2 );
68 extern int is_fd_removable( struct fd *fd );
69 extern int fd_close_handle( struct object *obj, struct process *process, obj_handle_t handle );
70 extern void fd_poll_event( struct fd *fd, int event );
71 extern int check_fd_events( struct fd *fd, int events );
72 extern void set_fd_events( struct fd *fd, int events );
73 extern obj_handle_t lock_fd( struct fd *fd, file_pos_t offset, file_pos_t count, int shared, int wait );
74 extern void unlock_fd( struct fd *fd, file_pos_t offset, file_pos_t count );
75 extern void set_fd_signaled( struct fd *fd, int signaled );
77 extern int default_fd_signaled( struct object *obj, struct thread *thread );
78 extern unsigned int default_fd_map_access( struct object *obj, unsigned int access );
79 extern int default_fd_get_poll_events( struct fd *fd );
80 extern void default_poll_event( struct fd *fd, int event );
81 extern struct async *fd_queue_async( struct fd *fd, const async_data_t *data, int type, int count );
82 extern void fd_async_wake_up( struct fd *fd, int type, unsigned int status );
83 extern void fd_reselect_async( struct fd *fd, struct async_queue *queue );
84 extern obj_handle_t default_fd_ioctl( struct fd *fd, ioctl_code_t code, const async_data_t *async,
85 const void *data, data_size_t size );
86 extern void default_fd_queue_async( struct fd *fd, const async_data_t *data, int type, int count );
87 extern void default_fd_reselect_async( struct fd *fd, struct async_queue *queue );
88 extern void default_fd_cancel_async( struct fd *fd );
89 extern void no_flush( struct fd *fd, struct event **event );
90 extern void main_loop(void);
91 extern void remove_process_locks( struct process *process );
93 static inline struct fd *get_obj_fd( struct object *obj ) { return obj->ops->get_fd( obj ); }
95 /* timeout functions */
98 extern timeout_t current_time;
100 #define TICKS_PER_SEC 10000000
102 typedef void (*timeout_callback)( void *private );
104 extern struct timeout_user *add_timeout_user( timeout_t when, timeout_callback func, void *private );
105 extern void remove_timeout_user( struct timeout_user *user );
106 extern const char *get_timeout_str( timeout_t timeout );
110 extern struct file *get_file_obj( struct process *process, obj_handle_t handle,
111 unsigned int access );
112 extern int get_file_unix_fd( struct file *file );
113 extern int is_same_file( struct file *file1, struct file *file2 );
114 extern struct file *grab_file_unless_removable( struct file *file );
115 extern int grow_file( struct file *file, file_pos_t size );
116 extern struct file *create_temp_file( int access );
117 extern void file_set_error(void);
119 /* change notification functions */
121 extern void do_change_notify( int unix_fd );
122 extern void sigio_callback(void);
123 extern struct object *create_dir_obj( struct fd *fd );
127 struct completion *get_completion_obj( struct process *process, obj_handle_t handle, unsigned int access );
129 /* serial port functions */
131 extern int is_serial_fd( struct fd *fd );
132 extern struct object *create_serial( struct fd *fd );
134 /* async I/O functions */
135 extern struct async_queue *create_async_queue( struct fd *fd );
136 extern void free_async_queue( struct async_queue *queue );
137 extern struct async *create_async( struct thread *thread, struct async_queue *queue,
138 const async_data_t *data );
139 extern void async_set_timeout( struct async *async, timeout_t timeout, unsigned int status );
140 extern void async_set_result( struct object *obj, unsigned int status );
141 extern int async_waiting( struct async_queue *queue );
142 extern void async_terminate( struct async *async, unsigned int status );
143 extern void async_wake_up( struct async_queue *queue, unsigned int status );
145 /* access rights that require Unix read permission */
146 #define FILE_UNIX_READ_ACCESS (FILE_READ_DATA|FILE_READ_ATTRIBUTES|FILE_READ_EA)
148 /* access rights that require Unix write permission */
149 #define FILE_UNIX_WRITE_ACCESS (FILE_WRITE_DATA|FILE_WRITE_ATTRIBUTES|FILE_WRITE_EA)
151 #endif /* __WINE_SERVER_FILE_H */