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116 lines
3.2 KiB
C
116 lines
3.2 KiB
C
/*
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* Server-side device management
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*
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* Copyright (C) 1999 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*
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* FIXME:
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* all this stuff is a simple hack to avoid breaking
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* client-side device support.
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*/
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#include <assert.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "winbase.h"
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#include "handle.h"
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#include "thread.h"
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#include "request.h"
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struct device
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{
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struct object obj; /* object header */
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int id; /* client identifier */
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};
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static void device_dump( struct object *obj, int verbose );
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static int device_get_info( struct object *obj, struct get_file_info_reply *reply, int *flags );
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static const struct object_ops device_ops =
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{
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sizeof(struct device), /* size */
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device_dump, /* dump */
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no_add_queue, /* add_queue */
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NULL, /* remove_queue */
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NULL, /* signaled */
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NULL, /* satisfied */
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NULL, /* get_poll_events */
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NULL, /* poll_event */
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no_get_fd, /* get_fd */
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no_flush, /* flush */
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device_get_info, /* get_file_info */
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NULL, /* queue_async */
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no_destroy /* destroy */
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};
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static struct device *create_device( int id )
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{
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struct device *dev;
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if ((dev = alloc_object( &device_ops, -1 )))
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{
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dev->id = id;
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}
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return dev;
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}
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static void device_dump( struct object *obj, int verbose )
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{
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struct device *dev = (struct device *)obj;
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assert( obj->ops == &device_ops );
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fprintf( stderr, "Device id=%08x\n", dev->id );
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}
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static int device_get_info( struct object *obj, struct get_file_info_reply *reply, int *flags )
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{
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struct device *dev = (struct device *)obj;
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assert( obj->ops == &device_ops );
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if (reply)
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{
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reply->type = FILE_TYPE_UNKNOWN;
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reply->attr = dev->id; /* hack! */
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reply->access_time = 0;
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reply->write_time = 0;
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reply->size_high = 0;
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reply->size_low = 0;
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reply->links = 0;
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reply->index_high = 0;
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reply->index_low = 0;
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reply->serial = 0;
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}
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*flags = 0;
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return FD_TYPE_DEFAULT;
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}
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/* create a device */
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DECL_HANDLER(create_device)
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{
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struct device *dev;
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reply->handle = 0;
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if ((dev = create_device( req->id )))
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{
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reply->handle = alloc_handle( current->process, dev, req->access, req->inherit );
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release_object( dev );
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}
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}
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