Replaced USER32.DLL use by hardcoded tables for VkKeyScanA and
[wine.git] / server / change.c
blob844e21b25d094d69f46a44949ee6b3d32a13b525
1 /*
2 * Server-side change notification management
4 * Copyright (C) 1998 Alexandre Julliard
5 */
7 #include <assert.h>
8 #include <stdio.h>
9 #include <stdlib.h>
11 #include "winnt.h"
13 #include "handle.h"
14 #include "thread.h"
15 #include "request.h"
17 struct change
19 struct object obj; /* object header */
20 int subtree; /* watch all the subtree */
21 int filter; /* notification filter */
24 static void change_dump( struct object *obj, int verbose );
25 static int change_signaled( struct object *obj, struct thread *thread );
27 static const struct object_ops change_ops =
29 sizeof(struct change), /* size */
30 change_dump, /* dump */
31 add_queue, /* add_queue */
32 remove_queue, /* remove_queue */
33 change_signaled, /* signaled */
34 no_satisfied, /* satisfied */
35 NULL, /* get_poll_events */
36 NULL, /* poll_event */
37 no_read_fd, /* get_read_fd */
38 no_write_fd, /* get_write_fd */
39 no_flush, /* flush */
40 no_get_file_info, /* get_file_info */
41 no_destroy /* destroy */
45 static struct change *create_change_notification( int subtree, int filter )
47 struct change *change;
48 if ((change = alloc_object( &change_ops, -1 )))
50 change->subtree = subtree;
51 change->filter = filter;
53 return change;
56 static void change_dump( struct object *obj, int verbose )
58 struct change *change = (struct change *)obj;
59 assert( obj->ops == &change_ops );
60 fprintf( stderr, "Change notification sub=%d filter=%08x\n",
61 change->subtree, change->filter );
64 static int change_signaled( struct object *obj, struct thread *thread )
66 /* struct change *change = (struct change *)obj;*/
67 assert( obj->ops == &change_ops );
68 return 0; /* never signaled for now */
71 /* create a change notification */
72 DECL_HANDLER(create_change_notification)
74 struct change *change;
76 req->handle = -1;
77 if ((change = create_change_notification( req->subtree, req->filter )))
79 req->handle = alloc_handle( current->process, change,
80 STANDARD_RIGHTS_REQUIRED|SYNCHRONIZE, 0 );
81 release_object( change );