xref: /netbsd-src/lib/librefuse/refuse/poll.h (revision 97dc09a69df6132676db26f89dde1a4893eff5e9)
1 /* $NetBSD: poll.h,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 #if !defined(_FUSE_POLL_H_)
32 #define _FUSE_POLL_H_
33 
34 /* Polling API, appeared on FUSE 2.8 */
35 
36 #if !defined(FUSE_H_)
37 #  error Do not include this header directly. Include <fuse.h> instead.
38 #endif
39 
40 #ifdef __cplusplus
41 extern "C" {
42 #endif
43 
44 /* A private structure for polling, appeared on FUSE 2.8. */
45 struct fuse_pollhandle;
46 
47 /* Notify the kernel of an IO readiness event. Appeared on FUSE 2.8. */
48 int fuse_notify_poll(struct fuse_pollhandle *ph);
49 
50 /* Destroy a poll handle. Appeared on FUSE 2.8. */
51 void fuse_pollhandle_destroy(struct fuse_pollhandle *ph);
52 
53 #ifdef __cplusplus
54 }
55 #endif
56 
57 #endif
58