1/* $NetBSD: fuse_internal.h,v 1.5 2022/01/22 08:09:39 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_INTERNAL_H)
32#define FUSE_INTERNAL_H
33
34/* We emit a compiler warning for anyone including <fuse.h> without
35 * defining FUSE_USE_VERSION. Exempt ourselves here, or we'll be
36 * warned too. */
37#define _REFUSE_IMPLEMENTATION_
38
39#include <fuse.h>
40#include <fuse_lowlevel.h>
41#include <sys/cdefs.h>
42
43#ifdef __cplusplus
44extern "C" {
45#endif
46
47/* This is the private fuse structure. We can freely change its size
48 * and/or layout without worrying about ABI breakage. */
49struct fuse {
50	struct puffs_usermount	*pu;
51	int			dead;
52	struct fuse_fs		*fs; /* The base filesystem layer. */
53};
54
55enum refuse_show_help_variant {
56	REFUSE_SHOW_HELP_FULL		= 1,
57	REFUSE_SHOW_HELP_NO_HEADER	= 2,
58};
59
60/* Internal functions, hidden from users */
61__BEGIN_HIDDEN_DECLS
62int __fuse_set_signal_handlers(struct fuse* fuse);
63int __fuse_remove_signal_handlers(struct fuse* fuse);
64struct fuse* __fuse_setup(int argc, char* argv[],
65                          const void* op, int op_version, void* user_data,
66                          struct fuse_cmdline_opts* opts);
67void __fuse_teardown(struct fuse* fuse);
68
69/* Generic implementation of fuse_new(). The exact type of "op" is
70 * determined by op_version. */
71struct fuse* __fuse_new(struct fuse_args *args, const void* op,
72                        int op_version, void* user_data);
73
74int __fuse_mount(struct fuse *fuse, const char *mountpoint);
75void __fuse_unmount(struct fuse *fuse);
76void __fuse_destroy(struct fuse *fuse);
77int __fuse_loop_mt(struct fuse *fuse, struct fuse_loop_config *config);
78int __fuse_parse_cmdline(struct fuse_args *args, struct fuse_cmdline_opts *opts);
79__END_HIDDEN_DECLS
80
81#ifdef __cplusplus
82}
83#endif
84
85#endif
86