/* * Wine server objects * * Copyright (C) 1998 Alexandre Julliard */ #ifndef __WINE_SERVER_OBJECT_H #define __WINE_SERVER_OBJECT_H #ifndef __WINE_SERVER__ #error This file can only be used in the Wine server #endif #include #include "server.h" #include "server/request.h" /* kernel objects */ struct object; struct object_name; struct thread; struct process; struct file; struct wait_queue_entry; /* operations valid on all objects */ struct object_ops { /* 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 *); /* return a Unix fd that can be used to read from the object */ int (*get_read_fd)(struct object *); /* return a Unix fd that can be used to write to the object */ int (*get_write_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 *); /* destroy on refcount == 0 */ void (*destroy)(struct object *); }; struct object { unsigned int refcount; const struct object_ops *ops; struct wait_queue_entry *head; struct wait_queue_entry *tail; struct object_name *name; }; extern void *mem_alloc( size_t size ); /* malloc wrapper */ extern struct object *create_named_object( const char *name, const struct object_ops *ops, size_t size ); extern int init_object( struct object *obj, const struct object_ops *ops, const char *name ); extern const char *get_object_name( struct object *obj ); /* 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 char *name ); 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_read_fd( struct object *obj ); extern int no_write_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 ); extern void default_select_event( int fd, int event, void *private ); /* request handlers */ struct iovec; struct thread; extern void call_req_handler( struct thread *thread, enum request req, void *data, int len, int fd ); extern void call_timeout_handler( struct thread *thread ); extern void call_kill_handler( struct thread *thread, int exit_code ); extern void trace_request( enum request req, void *data, int len, int fd ); extern void trace_timeout(void); extern void trace_kill( int exit_code ); extern void trace_reply( struct thread *thread, int type, int pass_fd, struct iovec *vec, int veclen ); /* select functions */ #define READ_EVENT 1 #define WRITE_EVENT 2 struct select_ops { void (*event)( int fd, int event, void *private ); void (*timeout)( int fd, void *private ); }; extern int add_select_user( int fd, int events, const struct select_ops *ops, void *private ); extern void remove_select_user( int fd ); extern void set_select_timeout( int fd, struct timeval *when ); extern void set_select_events( int fd, int events ); extern void *get_select_private_data( const struct select_ops *ops, int fd ); extern void select_loop(void); /* socket functions */ extern void server_init( int fd ); extern int add_client( int client_fd, struct thread *self ); extern void remove_client( int client_fd, int exit_code ); extern int get_initial_client_fd(void); extern void set_timeout( int client_fd, struct timeval *when ); extern int send_reply_v( int client_fd, int type, int pass_fd, struct iovec *vec, int veclen ); /* event functions */ extern struct object *create_event( const char *name, int manual_reset, int initial_state ); extern int open_event( unsigned int access, int inherit, const char *name ); extern int pulse_event( int handle ); extern int set_event( int handle ); extern int reset_event( int handle ); /* mutex functions */ extern struct object *create_mutex( const char *name, int owned ); extern int open_mutex( unsigned int access, int inherit, const char *name ); extern int release_mutex( int handle ); extern void abandon_mutexes( struct thread *thread ); /* semaphore functions */ extern struct object *create_semaphore( const char *name, unsigned int initial, unsigned int max ); extern int open_semaphore( unsigned int access, int inherit, const char *name ); extern int release_semaphore( int handle, unsigned int count, unsigned int *prev_count ); /* file functions */ extern struct object *create_file( int fd, const char *name, unsigned int access, unsigned int sharing, int create, unsigned int attrs ); extern struct file *get_file_obj( struct process *process, int handle, unsigned int access ); extern int file_get_mmap_fd( struct file *file ); extern int set_file_pointer( int handle, int *low, int *high, int whence ); extern int truncate_file( int handle ); extern int grow_file( struct file *file, int size_high, int size_low ); extern struct file *create_temp_file( int access ); extern int set_file_time( int handle, time_t access_time, time_t write_time ); extern int file_lock( struct file *file, int offset_high, int offset_low, int count_high, int count_low ); extern int file_unlock( struct file *file, int offset_high, int offset_low, int count_high, int count_low ); extern void file_set_error(void); /* pipe functions */ extern int create_pipe( struct object *obj[2] ); /* console functions */ struct tagINPUT_RECORD; extern int create_console( int fd, struct object *obj[2] ); extern int set_console_fd( int handle, int fd, int pid ); extern int get_console_mode( int handle, int *mode ); extern int set_console_mode( int handle, int mode ); extern int set_console_info( int handle, struct set_console_info_request *req, const char *title ); extern int get_console_info( int handle, struct get_console_info_reply *reply, const char **title ); extern int write_console_input( int handle, int count, struct tagINPUT_RECORD *records ); extern int read_console_input( int handle, int count, int flush ); /* change notification functions */ extern struct object *create_change_notification( int subtree, int filter ); /* file mapping functions */ extern struct object *create_mapping( int size_high, int size_low, int protect, int handle, const char *name ); extern int open_mapping( unsigned int access, int inherit, const char *name ); extern int get_mapping_info( int handle, struct get_mapping_info_reply *reply ); /* device functions */ extern struct object *create_device( int id ); /* snapshot functions */ extern struct object *create_snapshot( int flags ); extern int snapshot_next_process( int handle, int reset, struct next_process_reply *reply ); extern int debug_level; #endif /* __WINE_SERVER_OBJECT_H */