207 lines
7.2 KiB
C
207 lines
7.2 KiB
C
/*
|
|
* Wine server objects
|
|
*
|
|
* Copyright (C) 1998 Alexandre Julliard
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#ifndef __WINE_SERVER_OBJECT_H
|
|
#define __WINE_SERVER_OBJECT_H
|
|
|
|
#include <sys/poll.h>
|
|
#include <sys/time.h>
|
|
#include "wine/server_protocol.h"
|
|
|
|
#define DEBUG_OBJECTS
|
|
|
|
/* kernel objects */
|
|
|
|
struct object;
|
|
struct object_name;
|
|
struct thread;
|
|
struct process;
|
|
struct file;
|
|
struct wait_queue_entry;
|
|
struct async;
|
|
struct async_queue;
|
|
|
|
/* operations valid on all objects */
|
|
struct object_ops
|
|
{
|
|
/* size of this object type */
|
|
size_t size;
|
|
/* dump the object (for debugging) */
|
|
void (*dump)(struct object *,int);
|
|
/* add a thread to the object wait queue */
|
|
int (*add_queue)(struct object *,struct wait_queue_entry *);
|
|
/* remove a thread from the object wait queue */
|
|
void (*remove_queue)(struct object *,struct wait_queue_entry *);
|
|
/* is object signaled? */
|
|
int (*signaled)(struct object *,struct thread *);
|
|
/* wait satisfied; return 1 if abandoned */
|
|
int (*satisfied)(struct object *,struct thread *);
|
|
/* get the events we want to poll() for on this object */
|
|
int (*get_poll_events)(struct object *);
|
|
/* a poll() event occured */
|
|
void (*poll_event)(struct object *,int event);
|
|
/* return a Unix fd that can be used to read/write from the object */
|
|
int (*get_fd)(struct object *);
|
|
/* flush the object buffers */
|
|
int (*flush)(struct object *);
|
|
/* get file information */
|
|
int (*get_file_info)(struct object *,struct get_file_info_reply *, int *flags);
|
|
/* queue an async operation - see register_async handler in async.c*/
|
|
void (*queue_async)(struct object *, void* ptr, unsigned int status, int type, int count);
|
|
/* destroy on refcount == 0 */
|
|
void (*destroy)(struct object *);
|
|
};
|
|
|
|
struct object
|
|
{
|
|
unsigned int refcount; /* reference count */
|
|
int fd; /* file descriptor */
|
|
int select; /* select() user id */
|
|
const struct object_ops *ops;
|
|
struct wait_queue_entry *head;
|
|
struct wait_queue_entry *tail;
|
|
struct object_name *name;
|
|
#ifdef DEBUG_OBJECTS
|
|
struct object *prev;
|
|
struct object *next;
|
|
#endif
|
|
};
|
|
|
|
struct wait_queue_entry
|
|
{
|
|
struct wait_queue_entry *next;
|
|
struct wait_queue_entry *prev;
|
|
struct object *obj;
|
|
struct thread *thread;
|
|
};
|
|
|
|
extern void *mem_alloc( size_t size ); /* malloc wrapper */
|
|
extern void *memdup( const void *data, size_t len );
|
|
extern void *alloc_object( const struct object_ops *ops, int fd );
|
|
extern void dump_object_name( struct object *obj );
|
|
extern void *create_named_object( const struct object_ops *ops, const WCHAR *name, size_t len );
|
|
/* grab/release_object can take any pointer, but you better make sure */
|
|
/* that the thing pointed to starts with a struct object... */
|
|
extern struct object *grab_object( void *obj );
|
|
extern void release_object( void *obj );
|
|
extern struct object *find_object( const WCHAR *name, size_t len );
|
|
extern int no_add_queue( struct object *obj, struct wait_queue_entry *entry );
|
|
extern int no_satisfied( struct object *obj, struct thread *thread );
|
|
extern int no_get_fd( struct object *obj );
|
|
extern int no_flush( struct object *obj );
|
|
extern int no_get_file_info( struct object *obj, struct get_file_info_reply *info, int *flags );
|
|
extern void no_destroy( struct object *obj );
|
|
extern int default_poll_add_queue( struct object *obj, struct wait_queue_entry *entry );
|
|
extern void default_poll_remove_queue( struct object *obj, struct wait_queue_entry *entry );
|
|
extern int default_poll_signaled( struct object *obj, struct thread *thread );
|
|
extern void default_poll_event( struct object *obj, int event );
|
|
#ifdef DEBUG_OBJECTS
|
|
extern void dump_objects(void);
|
|
#endif
|
|
|
|
/* select functions */
|
|
|
|
extern int add_select_user( struct object *obj );
|
|
extern void remove_select_user( struct object *obj );
|
|
extern void change_select_fd( struct object *obj, int fd, int events );
|
|
extern void set_select_events( struct object *obj, int events );
|
|
extern int check_select_events( int fd, int events );
|
|
extern void select_loop(void);
|
|
|
|
/* timeout functions */
|
|
|
|
struct timeout_user;
|
|
|
|
typedef void (*timeout_callback)( void *private );
|
|
|
|
extern struct timeout_user *add_timeout_user( struct timeval *when,
|
|
timeout_callback func, void *private );
|
|
extern void remove_timeout_user( struct timeout_user *user );
|
|
extern void add_timeout( struct timeval *when, int timeout );
|
|
/* return 1 if t1 is before t2 */
|
|
static inline int time_before( struct timeval *t1, struct timeval *t2 )
|
|
{
|
|
return ((t1->tv_sec < t2->tv_sec) ||
|
|
((t1->tv_sec == t2->tv_sec) && (t1->tv_usec < t2->tv_usec)));
|
|
}
|
|
|
|
/* event functions */
|
|
|
|
struct event;
|
|
|
|
extern struct event *create_event( const WCHAR *name, size_t len,
|
|
int manual_reset, int initial_state );
|
|
extern struct event *get_event_obj( struct process *process, handle_t handle, unsigned int access );
|
|
extern void pulse_event( struct event *event );
|
|
extern void set_event( struct event *event );
|
|
extern void reset_event( struct event *event );
|
|
|
|
/* mutex functions */
|
|
|
|
extern void abandon_mutexes( struct thread *thread );
|
|
|
|
/* file functions */
|
|
|
|
extern struct file *get_file_obj( struct process *process, handle_t handle,
|
|
unsigned int access );
|
|
extern int is_same_file( struct file *file1, struct file *file2 );
|
|
extern int get_file_drive_type( struct file *file );
|
|
extern int grow_file( struct file *file, int size_high, int size_low );
|
|
extern int create_anonymous_file(void);
|
|
extern struct file *create_temp_file( int access );
|
|
extern void file_set_error(void);
|
|
|
|
/* serial functions */
|
|
|
|
int get_serial_async_timeout(struct object *obj, int type, int count);
|
|
|
|
/* debugger functions */
|
|
|
|
extern int set_process_debugger( struct process *process, struct thread *debugger );
|
|
extern void generate_debug_event( struct thread *thread, int code, void *arg );
|
|
extern void generate_startup_debug_events( struct process *process, void *entry );
|
|
extern void debug_exit_thread( struct thread *thread );
|
|
|
|
/* mapping functions */
|
|
|
|
extern int get_page_size(void);
|
|
|
|
/* registry functions */
|
|
|
|
extern void init_registry(void);
|
|
extern void close_registry(void);
|
|
|
|
/* atom functions */
|
|
|
|
extern void close_atom_table(void);
|
|
extern int grab_global_atom( atom_t atom );
|
|
extern void release_global_atom( atom_t atom );
|
|
|
|
/* global variables */
|
|
|
|
/* command-line options */
|
|
extern int debug_level;
|
|
extern int master_socket_timeout;
|
|
|
|
/* server start time used for GetTickCount() */
|
|
extern unsigned int server_start_ticks;
|
|
|
|
#endif /* __WINE_SERVER_OBJECT_H */
|