forked from Mirrors/wine-wine
147 lines
5.0 KiB
C
147 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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#include "server/request.h"
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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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/* 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_reply *);
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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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};
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extern void *mem_alloc( size_t size ); /* malloc wrapper */
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extern struct object *create_named_object( const char *name, const struct object_ops *ops,
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size_t size );
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extern int init_object( struct object *obj, const struct object_ops *ops, const char *name );
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extern const char *get_object_name( struct object *obj );
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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 );
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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_reply *info );
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extern void default_select_event( int fd, int event, void *private );
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/* request handlers */
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struct iovec;
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struct thread;
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extern void fatal_protocol_error( const char *err, ... );
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extern void call_req_handler( struct thread *thread, enum request req,
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void *data, int len, int fd );
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extern void call_timeout_handler( struct thread *thread );
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extern void call_kill_handler( struct thread *thread, int exit_code );
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extern void trace_request( enum request req, void *data, int len, int fd );
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extern void trace_timeout(void);
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extern void trace_kill( int exit_code );
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extern void trace_reply( struct thread *thread, int type, int pass_fd,
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struct iovec *vec, int veclen );
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/* check that the string is NULL-terminated and that the len is correct */
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#define CHECK_STRING(func,str,len) \
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do { if (((str)[(len)-1] || strlen(str) != (len)-1)) \
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fatal_protocol_error( "%s: invalid string '%.*s'\n", (func), (len), (str) ); \
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} while(0)
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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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struct select_ops
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{
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void (*event)( int fd, int event, void *private );
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void (*timeout)( int fd, void *private );
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};
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extern int add_select_user( int fd, int events, const struct select_ops *ops, void *private );
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extern void remove_select_user( int fd );
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extern void set_select_timeout( int fd, struct timeval *when );
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extern void set_select_events( int fd, int events );
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extern void *get_select_private_data( const struct select_ops *ops, int fd );
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extern void select_loop(void);
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/* socket functions */
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extern int add_client( int client_fd, struct thread *self );
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extern void remove_client( int client_fd, int exit_code );
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extern void set_timeout( int client_fd, struct timeval *when );
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extern int send_reply_v( int client_fd, int type, int pass_fd,
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struct iovec *vec, int veclen );
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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 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 create_console( int fd, struct object *obj[2] );
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extern int debug_level;
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#endif /* __WINE_SERVER_OBJECT_H */
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