Sweden-Number/include/server/object.h

134 lines
4.9 KiB
C

/*
* 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 <sys/time.h>
#include "server.h"
#include "server/request.h"
/* kernel objects */
struct object;
struct object_name;
struct thread;
struct object_ops
{
void (*dump)(struct object *,int); /* dump the object (for debugging) */
int (*signaled)(struct object *,struct thread *); /* is object signaled? */
int (*satisfied)(struct object *,struct thread *); /* wait satisfied; return 1 if abandoned */
void (*destroy)(struct object *); /* destroy on refcount == 0 */
};
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 );
/* 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 );
/* 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 );
/* socket functions */
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 );
/* process functions */
struct process;
extern struct process *create_process(void);
extern struct process *get_process_from_id( void *id );
extern struct process *get_process_from_handle( int handle, unsigned int access );
extern void add_process_thread( struct process *process,
struct thread *thread );
extern void remove_process_thread( struct process *process,
struct thread *thread );
extern void kill_process( struct process *process, int exit_code );
extern void get_process_info( struct process *process,
struct get_process_info_reply *reply );
/* handle functions */
/* alloc_handle takes a void *obj for convenience, but you better make sure */
/* that the thing pointed to starts with a struct object... */
extern int alloc_handle( struct process *process, void *obj,
unsigned int access, int inherit );
extern int close_handle( struct process *process, int handle );
extern int set_handle_info( struct process *process, int handle,
int mask, int flags );
extern struct object *get_handle_obj( struct process *process, int handle,
unsigned int access, const struct object_ops *ops );
extern int duplicate_handle( struct process *src, int src_handle, struct process *dst,
int dst_handle, unsigned int access, int inherit, int options );
extern int open_object( const char *name, const struct object_ops *ops,
unsigned int access, int inherit );
/* 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 );
extern int debug_level;
#endif /* __WINE_SERVER_OBJECT_H */