| /* |
| * 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), |
| device_dump, |
| no_add_queue, |
| NULL, /* should never get called */ |
| NULL, /* should never get called */ |
| NULL, /* should never get called */ |
| no_read_fd, |
| no_write_fd, |
| no_flush, |
| device_get_info, |
| no_destroy |
| }; |
| |
| static struct device *create_device( int id ) |
| { |
| struct device *dev; |
| if ((dev = alloc_object( &device_ops ))) |
| { |
| 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 ); |
| } |
| } |