libfuse

fuse_i.h
1 /*
2 FUSE: Filesystem in Userspace
3 Copyright (C) 2001-2007 Miklos Szeredi <miklos@szeredi.hu>
4
5 This program can be distributed under the terms of the GNU LGPLv2.
6 See the file COPYING.LIB
7 */
8
9 #include "fuse.h"
10 #include "fuse_lowlevel.h"
11
12 struct mount_opts;
13
14 struct fuse_req {
15 struct fuse_session *se;
16 uint64_t unique;
17 int ctr;
18 pthread_mutex_t lock;
19 struct fuse_ctx ctx;
20 struct fuse_chan *ch;
21 int interrupted;
22 unsigned int ioctl_64bit : 1;
23 union {
24 struct {
25 uint64_t unique;
26 } i;
27 struct {
28 fuse_interrupt_func_t func;
29 void *data;
30 } ni;
31 } u;
32 struct fuse_req *next;
33 struct fuse_req *prev;
34 };
35
36 struct fuse_notify_req {
37 uint64_t unique;
38 void (*reply)(struct fuse_notify_req *, fuse_req_t, fuse_ino_t,
39 const void *, const struct fuse_buf *);
40 struct fuse_notify_req *next;
41 struct fuse_notify_req *prev;
42 };
43
44 struct fuse_session {
45 char *mountpoint;
46 volatile int exited;
47 int fd;
48 struct mount_opts *mo;
49 int debug;
50 int deny_others;
51 struct fuse_lowlevel_ops op;
52 int got_init;
53 struct cuse_data *cuse_data;
54 void *userdata;
55 uid_t owner;
56 struct fuse_conn_info conn;
57 struct fuse_req list;
58 struct fuse_req interrupts;
59 pthread_mutex_t lock;
60 int got_destroy;
61 pthread_key_t pipe_key;
62 int broken_splice_nonblock;
63 uint64_t notify_ctr;
64 struct fuse_notify_req notify_list;
65 size_t bufsize;
66 int error;
67 };
68
69 struct fuse_chan {
70 pthread_mutex_t lock;
71 int ctr;
72 int fd;
73 };
74
82 struct fuse_module {
83 char *name;
84 fuse_module_factory_t factory;
85 struct fuse_module *next;
86 struct fusemod_so *so;
87 int ctr;
88 };
89
90 /* ----------------------------------------------------------- *
91 * Channel interface (when using -o clone_fd) *
92 * ----------------------------------------------------------- */
93
100 struct fuse_chan *fuse_chan_get(struct fuse_chan *ch);
101
107 void fuse_chan_put(struct fuse_chan *ch);
108
109 struct mount_opts *parse_mount_opts(struct fuse_args *args);
110 void destroy_mount_opts(struct mount_opts *mo);
111 void fuse_mount_version(void);
112 unsigned get_max_read(struct mount_opts *o);
113 void fuse_kern_unmount(const char *mountpoint, int fd);
114 int fuse_kern_mount(const char *mountpoint, struct mount_opts *mo);
115
116 int fuse_send_reply_iov_nofree(fuse_req_t req, int error, struct iovec *iov,
117 int count);
118 void fuse_free_req(fuse_req_t req);
119
120 void cuse_lowlevel_init(fuse_req_t req, fuse_ino_t nodeide, const void *inarg);
121
122 int fuse_start_thread(pthread_t *thread_id, void *(*func)(void *), void *arg);
123
124 int fuse_session_receive_buf_int(struct fuse_session *se, struct fuse_buf *buf,
125 struct fuse_chan *ch);
126 void fuse_session_process_buf_int(struct fuse_session *se,
127 const struct fuse_buf *buf, struct fuse_chan *ch);
128
129 struct fuse *fuse_new_31(struct fuse_args *args, const struct fuse_operations *op,
130 size_t op_size, void *private_data);
131 int fuse_loop_mt_32(struct fuse *f, struct fuse_loop_config *config);
132 int fuse_session_loop_mt_32(struct fuse_session *se, struct fuse_loop_config *config);
133
134 #define FUSE_MAX_MAX_PAGES 256
135 #define FUSE_DEFAULT_MAX_PAGES_PER_REQ 32
136
137 /* room needed in buffer to accommodate header */
138 #define FUSE_BUFFER_HEADER_SIZE 0x1000
139
fuse_req_t
struct fuse_req * fuse_req_t
Definition: fuse_lowlevel.h:49
fuse_conn_info
Definition: fuse_common.h:385
fuse_operations
Definition: fuse.h:299
fuse_loop_config
Definition: fuse_common.h:107
fuse_ctx
Definition: fuse_lowlevel.h:111
fuse_module
Definition: fuse_i.h:82
fuse_lowlevel_ops
Definition: fuse_lowlevel.h:172
fuse_args
Definition: fuse_opt.h:109
fuse_ino_t
uint64_t fuse_ino_t
Definition: fuse_lowlevel.h:46
fuse_module_factory_t
struct fuse_fs *(* fuse_module_factory_t)(struct fuse_args *args, struct fuse_fs *fs[])
Definition: fuse.h:1243
fuse_buf
Definition: fuse_common.h:666
fuse_interrupt_func_t
void(* fuse_interrupt_func_t)(fuse_req_t req, void *data)
Definition: fuse_lowlevel.h:1815