mirror of
https://github.com/reactos/wine.git
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171 lines
8.4 KiB
C
171 lines
8.4 KiB
C
/*
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* Server-side file definitions
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*
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* Copyright (C) 2003 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_FILE_H
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#define __WINE_SERVER_FILE_H
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#include "object.h"
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struct fd;
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struct async_queue;
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struct completion;
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/* operations valid on file descriptor objects */
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struct fd_ops
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{
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/* get the events we want to poll() for on this object */
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int (*get_poll_events)(struct fd *);
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/* a poll() event occurred */
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void (*poll_event)(struct fd *,int event);
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/* flush the object buffers */
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void (*flush)(struct fd *, struct event **);
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/* get file information */
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enum server_fd_type (*get_fd_type)(struct fd *fd);
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/* perform an ioctl on the file */
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obj_handle_t (*ioctl)(struct fd *fd, ioctl_code_t code, const async_data_t *async, int blocking,
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const void *data, data_size_t size);
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/* queue an async operation */
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void (*queue_async)(struct fd *, const async_data_t *data, int type, int count);
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/* selected events for async i/o need an update */
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void (*reselect_async)( struct fd *, struct async_queue *queue );
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/* cancel an async operation */
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void (*cancel_async)(struct fd *, struct process *process, struct thread *thread, client_ptr_t iosb);
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};
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/* file descriptor functions */
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extern struct fd *alloc_pseudo_fd( const struct fd_ops *fd_user_ops, struct object *user,
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unsigned int options );
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extern void set_no_fd_status( struct fd *fd, unsigned int status );
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extern struct fd *open_fd( struct fd *root, const char *name, int flags, mode_t *mode,
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unsigned int access, unsigned int sharing, unsigned int options );
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extern struct fd *create_anonymous_fd( const struct fd_ops *fd_user_ops,
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int unix_fd, struct object *user, unsigned int options );
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extern struct fd *dup_fd_object( struct fd *orig, unsigned int access, unsigned int sharing,
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unsigned int options );
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extern void *get_fd_user( struct fd *fd );
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extern void set_fd_user( struct fd *fd, const struct fd_ops *ops, struct object *user );
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extern unsigned int get_fd_options( struct fd *fd );
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extern int get_unix_fd( struct fd *fd );
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extern int is_same_file_fd( struct fd *fd1, struct fd *fd2 );
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extern int is_fd_removable( struct fd *fd );
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extern int fd_close_handle( struct object *obj, struct process *process, obj_handle_t handle );
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extern int check_fd_events( struct fd *fd, int events );
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extern void set_fd_events( struct fd *fd, int events );
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extern obj_handle_t lock_fd( struct fd *fd, file_pos_t offset, file_pos_t count, int shared, int wait );
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extern void unlock_fd( struct fd *fd, file_pos_t offset, file_pos_t count );
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extern void allow_fd_caching( struct fd *fd );
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extern void set_fd_signaled( struct fd *fd, int signaled );
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extern int is_fd_signaled( struct fd *fd );
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extern int default_fd_signaled( struct object *obj, struct thread *thread );
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extern unsigned int default_fd_map_access( struct object *obj, unsigned int access );
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extern int default_fd_get_poll_events( struct fd *fd );
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extern void default_poll_event( struct fd *fd, int event );
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extern struct async *fd_queue_async( struct fd *fd, const async_data_t *data, int type );
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extern void fd_async_wake_up( struct fd *fd, int type, unsigned int status );
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extern void fd_reselect_async( struct fd *fd, struct async_queue *queue );
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extern obj_handle_t no_fd_ioctl( struct fd *fd, ioctl_code_t code, const async_data_t *async,
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int blocking, const void *data, data_size_t size );
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extern obj_handle_t default_fd_ioctl( struct fd *fd, ioctl_code_t code, const async_data_t *async,
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int blocking, const void *data, data_size_t size );
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extern void no_fd_queue_async( struct fd *fd, const async_data_t *data, int type, int count );
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extern void default_fd_queue_async( struct fd *fd, const async_data_t *data, int type, int count );
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extern void default_fd_reselect_async( struct fd *fd, struct async_queue *queue );
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extern void default_fd_cancel_async( struct fd *fd, struct process *process, struct thread *thread, client_ptr_t iosb );
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extern void no_flush( struct fd *fd, struct event **event );
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extern void main_loop(void);
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extern void remove_process_locks( struct process *process );
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static inline struct fd *get_obj_fd( struct object *obj ) { return obj->ops->get_fd( obj ); }
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/* timeout functions */
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struct timeout_user;
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extern timeout_t current_time;
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#define TICKS_PER_SEC 10000000
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typedef void (*timeout_callback)( void *private );
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extern struct timeout_user *add_timeout_user( timeout_t when, timeout_callback func, void *private );
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extern void remove_timeout_user( struct timeout_user *user );
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extern const char *get_timeout_str( timeout_t timeout );
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/* file functions */
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extern struct file *get_file_obj( struct process *process, obj_handle_t handle,
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unsigned int access );
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extern int get_file_unix_fd( struct file *file );
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extern int is_same_file( struct file *file1, struct file *file2 );
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extern struct file *create_file_for_fd( int fd, unsigned int access, unsigned int sharing );
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extern struct file *grab_file_unless_removable( struct file *file );
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extern void file_set_error(void);
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extern struct security_descriptor *mode_to_sd( mode_t mode, const SID *user, const SID *group );
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extern mode_t sd_to_mode( const struct security_descriptor *sd, const SID *owner );
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/* change notification functions */
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extern void do_change_notify( int unix_fd );
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extern void sigio_callback(void);
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extern struct object *create_dir_obj( struct fd *fd, unsigned int access, mode_t mode );
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extern struct dir *get_dir_obj( struct process *process, obj_handle_t handle, unsigned int access );
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/* completion */
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extern struct completion *get_completion_obj( struct process *process, obj_handle_t handle, unsigned int access );
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extern void add_completion( struct completion *completion, apc_param_t ckey, apc_param_t cvalue,
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unsigned int status, unsigned int information );
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/* serial port functions */
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extern int is_serial_fd( struct fd *fd );
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extern struct object *create_serial( struct fd *fd );
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/* async I/O functions */
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extern struct async_queue *create_async_queue( struct fd *fd );
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extern void free_async_queue( struct async_queue *queue );
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extern struct async *create_async( struct thread *thread, struct async_queue *queue,
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const async_data_t *data );
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extern void async_set_timeout( struct async *async, timeout_t timeout, unsigned int status );
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extern void async_set_result( struct object *obj, unsigned int status,
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unsigned int total, client_ptr_t apc );
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extern int async_queued( struct async_queue *queue );
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extern int async_waiting( struct async_queue *queue );
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extern void async_terminate( struct async *async, unsigned int status );
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extern int async_wake_up_by( struct async_queue *queue, struct process *process,
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struct thread *thread, client_ptr_t iosb, unsigned int status );
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extern void async_wake_up( struct async_queue *queue, unsigned int status );
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extern struct completion *fd_get_completion( struct fd *fd, apc_param_t *p_key );
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extern void fd_copy_completion( struct fd *src, struct fd *dst );
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/* access rights that require Unix read permission */
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#define FILE_UNIX_READ_ACCESS (FILE_READ_DATA|FILE_READ_ATTRIBUTES|FILE_READ_EA)
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/* access rights that require Unix write permission */
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#define FILE_UNIX_WRITE_ACCESS (FILE_WRITE_DATA|FILE_WRITE_ATTRIBUTES|FILE_WRITE_EA)
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/* magic file access rights for mappings */
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#define FILE_MAPPING_IMAGE 0x80000000 /* set for SEC_IMAGE mappings */
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#define FILE_MAPPING_WRITE 0x40000000 /* set for writable shared mappings */
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#define FILE_MAPPING_ACCESS 0x20000000 /* set for all mappings */
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#endif /* __WINE_SERVER_FILE_H */
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