156 lines
5.0 KiB
C
156 lines
5.0 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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#define DEBUG_OBJECTS
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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 process;
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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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/* size of this object type */
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size_t size;
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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_request *);
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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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#ifdef DEBUG_OBJECTS
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struct object *prev;
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struct object *next;
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#endif
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};
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extern void *mem_alloc( size_t size ); /* malloc wrapper */
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extern char *mem_strdup( const char *str );
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extern void *alloc_object( const struct object_ops *ops );
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extern const char *get_object_name( struct object *obj );
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extern void *create_named_object( const struct object_ops *ops, const char *name, size_t len );
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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, size_t len );
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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_request *info );
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extern void no_destroy( struct object *obj );
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extern void default_select_event( int event, void *private );
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#ifdef DEBUG_OBJECTS
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extern void dump_objects(void);
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#endif
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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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#define EXCEPT_EVENT 3
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struct select_user
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{
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int fd; /* user fd */
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void (*func)(int event, void *private); /* callback function */
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void *private; /* callback private data */
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};
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extern void register_select_user( struct select_user *user );
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extern void unregister_select_user( struct select_user *user );
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extern void set_select_events( struct select_user *user, int events );
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extern int check_select_events( struct select_user *user, int events );
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extern void select_loop(void);
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/* timeout functions */
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struct timeout_user;
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typedef void (*timeout_callback)( void *private );
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extern struct timeout_user *add_timeout_user( struct timeval *when,
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timeout_callback func, void *private );
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extern void remove_timeout_user( struct timeout_user *user );
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extern void make_timeout( struct timeval *when, int timeout );
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/* socket functions */
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struct client;
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extern struct client *add_client( int client_fd, struct thread *self );
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extern void remove_client( struct client *client, int exit_code );
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extern void client_pass_fd( struct client *client, int pass_fd );
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extern void client_reply( struct client *client, unsigned int res );
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/* mutex functions */
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extern void abandon_mutexes( struct thread *thread );
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/* file functions */
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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 grow_file( struct file *file, int size_high, int size_low );
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extern int create_anonymous_file(void);
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extern struct file *create_temp_file( int access );
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extern void file_set_error(void);
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/* console functions */
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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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/* debugger functions */
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extern int debugger_attach( struct process *process, struct thread *debugger );
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extern void debug_exit_thread( struct thread *thread, int exit_code );
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extern int debug_level;
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#endif /* __WINE_SERVER_OBJECT_H */
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