xref: /netbsd-src/lib/librefuse/refuse/poll.c (revision 97dc09a69df6132676db26f89dde1a4893eff5e9)
1 /* $NetBSD: poll.c,v 1.1 2022/01/22 07:56:16 pho Exp $ */
2 
3 /*
4  * Copyright (c) 2021 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. The name of the author may not be used to endorse or promote
16  *    products derived from this software without specific prior written
17  *    permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
20  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
23  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
25  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
28  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
29  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #include <sys/cdefs.h>
33 #if !defined(lint)
34 __RCSID("$NetBSD: poll.c,v 1.1 2022/01/22 07:56:16 pho Exp $");
35 #endif /* !lint */
36 
37 #include <fuse_internal.h>
38 
39 /* XXX: ReFUSE doesn't support polling at the moment. It doesn't
40  * implement puffs_node_poll(), and will never invoke
41  * fuse_operations.poll(). So there is no valid way for a FUSE
42  * filesystem to actually call these functions. */
43 
44 int
fuse_notify_poll(struct fuse_pollhandle * ph)45 fuse_notify_poll(struct fuse_pollhandle *ph) {
46     return 0;
47 }
48 
49 void
fuse_pollhandle_destroy(struct fuse_pollhandle * ph)50 fuse_pollhandle_destroy(struct fuse_pollhandle *ph) {
51 }
52