Sweden-Number/server/device.c

98 lines
2.4 KiB
C

/*
* Server-side device management
*
* Copyright (C) 1999 Alexandre Julliard
*/
/*
* FIXME:
* all this stuff is a simple hack to avoid breaking
* client-side device support.
*/
#include <assert.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "winerror.h"
#include "winbase.h"
#include "handle.h"
#include "thread.h"
#include "request.h"
struct device
{
struct object obj; /* object header */
int id; /* client identifier */
};
static void device_dump( struct object *obj, int verbose );
static int device_get_info( struct object *obj, struct get_file_info_request *req );
static const struct object_ops device_ops =
{
sizeof(struct device), /* size */
device_dump, /* dump */
no_add_queue, /* add_queue */
NULL, /* remove_queue */
NULL, /* signaled */
NULL, /* satisfied */
NULL, /* get_poll_events */
NULL, /* poll_event */
no_read_fd, /* get_read_fd */
no_write_fd, /* get_write_fd */
no_flush, /* flush */
device_get_info, /* get_file_info */
no_destroy /* destroy */
};
static struct device *create_device( int id )
{
struct device *dev;
if ((dev = alloc_object( &device_ops, -1 )))
{
dev->id = id;
}
return dev;
}
static void device_dump( struct object *obj, int verbose )
{
struct device *dev = (struct device *)obj;
assert( obj->ops == &device_ops );
fprintf( stderr, "Device id=%08x\n", dev->id );
}
static int device_get_info( struct object *obj, struct get_file_info_request *req )
{
struct device *dev = (struct device *)obj;
assert( obj->ops == &device_ops );
req->type = FILE_TYPE_UNKNOWN;
req->attr = dev->id; /* hack! */
req->access_time = 0;
req->write_time = 0;
req->size_high = 0;
req->size_low = 0;
req->links = 0;
req->index_high = 0;
req->index_low = 0;
req->serial = 0;
return 1;
}
/* create a device */
DECL_HANDLER(create_device)
{
struct device *dev;
req->handle = -1;
if ((dev = create_device( req->id )))
{
req->handle = alloc_handle( current->process, dev, req->access, req->inherit );
release_object( dev );
}
}