170 lines
3.8 KiB
C
170 lines
3.8 KiB
C
/* $OpenBSD: fuse_private.h,v 1.22 2018/11/16 02:16:17 tedu Exp $ */
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/*
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* Copyright (c) 2013 Sylvestre Gallon <ccna.syl@gmail.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _FUSE_SUBR_H_
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#define _FUSE_SUBR_H_
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#include <sys/dirent.h>
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#include <sys/event.h>
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#include <sys/mount.h>
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#include <sys/stat.h>
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#include <sys/statvfs.h>
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#include <sys/tree.h>
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#include <sys/fusebuf.h>
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#include <limits.h>
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#include "fuse.h"
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struct fuse_args;
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struct fuse_vnode {
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ino_t ino;
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struct fuse_vnode *parent;
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unsigned int ref;
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char path[NAME_MAX + 1];
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SIMPLEQ_ENTRY(fuse_vnode) node; /* for dict */
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};
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struct fuse_dirhandle {
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struct fuse *fuse;
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fuse_fill_dir_t filler;
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void *buf;
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int full;
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uint32_t size;
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uint32_t start;
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uint32_t idx;
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off_t off;
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};
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SIMPLEQ_HEAD(fuse_vn_head, fuse_vnode);
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SPLAY_HEAD(dict, dictentry);
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SPLAY_HEAD(tree, treeentry);
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struct fuse_session {
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void *args;
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};
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struct fuse_chan {
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char *dir;
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struct fuse_args *args;
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int fd;
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int dead;
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/* kqueue stuff */
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int kq;
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};
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struct fuse_config {
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uid_t uid;
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gid_t gid;
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pid_t pid;
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mode_t umask;
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int set_mode;
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int set_uid;
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int set_gid;
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int use_ino;
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};
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struct fuse_core_opts {
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char *mp;
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int foreground;
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};
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struct fuse_mount_opts {
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char *fsname;
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int allow_other;
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int def_perms;
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int max_read;
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int noatime;
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int nonempty;
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int rdonly;
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};
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struct fuse {
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struct fuse_chan *fc;
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struct fuse_operations op;
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int compat;
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struct tree vnode_tree;
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struct dict name_tree;
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uint64_t max_ino;
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void *private_data;
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struct fuse_config conf;
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struct fuse_session se;
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};
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#define FUSE_MAX_OPS 39
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#define FUSE_ROOT_INO ((ino_t)1)
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/* fuse_ops.c */
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int ifuse_exec_opcode(struct fuse *, struct fusebuf *);
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/* fuse_subr.c */
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struct fuse_vnode *alloc_vn(struct fuse *, const char *, ino_t, ino_t);
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void ref_vn(struct fuse_vnode *);
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void unref_vn(struct fuse *, struct fuse_vnode *);
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struct fuse_vnode *get_vn_by_name_and_parent(struct fuse *, uint8_t *,
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ino_t);
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void remove_vnode_from_name_tree(struct fuse *,
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struct fuse_vnode *);
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int set_vn(struct fuse *, struct fuse_vnode *);
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char *build_realname(struct fuse *, ino_t);
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/* tree.c */
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#define tree_init(t) SPLAY_INIT((t))
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#define tree_empty(t) SPLAY_EMPTY((t))
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int tree_check(struct tree *, uint64_t);
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void *tree_set(struct tree *, uint64_t, void *);
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void *tree_get(struct tree *, uint64_t);;
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void *tree_pop(struct tree *, uint64_t);
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/* dict.c */
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int dict_check(struct dict *, const char *);
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void *dict_set(struct dict *, const char *, void *);
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void *dict_get(struct dict *, const char *);;
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void *dict_pop(struct dict *, const char *);
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#define FUSE_VERSION_PKG_INFO "2.8.0"
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#define unused __attribute__ ((unused))
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#define PROTO(x) __dso_hidden typeof(x) x asm("__"#x)
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#define DEF(x) __strong_alias(x, __##x)
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PROTO(fuse_daemonize);
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PROTO(fuse_destroy);
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PROTO(fuse_get_context);
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PROTO(fuse_get_session);
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PROTO(fuse_loop);
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PROTO(fuse_mount);
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PROTO(fuse_new);
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PROTO(fuse_opt_add_arg);
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PROTO(fuse_opt_free_args);
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PROTO(fuse_opt_insert_arg);
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PROTO(fuse_opt_match);
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PROTO(fuse_opt_parse);
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PROTO(fuse_parse_cmdline);
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PROTO(fuse_remove_signal_handlers);
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PROTO(fuse_setup);
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PROTO(fuse_unmount);
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#endif /* _FUSE_SUBR_ */
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