162 lines
4.9 KiB
C
162 lines
4.9 KiB
C
/*
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* \brief libfuse re-implementation public API
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* \author Josef Soentgen
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* \date 2013-11-07
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*/
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/*
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* Copyright (C) 2013 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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#ifndef _INCLUDE__FUSE_H_
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#define _INCLUDE__FUSE_H_
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/* libc includes */
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#include <sys/stat.h>
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#include <sys/statvfs.h>
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#include <sys/types.h>
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#include <fcntl.h>
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#include <utime.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef FUSE_USE_VERSION
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#define FUSE_USE_VERSION 26
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#endif
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#if FUSE_USE_VERSION >= 26
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#define FUSE_VERSION 26
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#else
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#error "No support for FUSE_VERSION < 26"
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#endif
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void fuse_genode(const char*);
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#include "fuse_opt.h"
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struct fuse_chan;
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struct fuse_args;
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struct fuse_session;
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struct fuse_file_info {
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int32_t flags; /* open(2) flags */
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uint32_t fh_old; /* old file handle */
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int32_t writepage;
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uint32_t direct_io:1;
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uint32_t keep_cache:1;
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uint32_t flush:1;
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uint32_t nonseekable:1;
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uint32_t __padd:27;
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uint32_t flock_release : 1;
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uint64_t fh; /* file handle */
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uint64_t lock_owner;
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};
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struct fuse_conn_info {
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uint32_t proto_major;
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uint32_t proto_minor;
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uint32_t async_read;
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uint32_t max_write;
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uint32_t max_readahead;
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uint32_t capable;
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uint32_t want;
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uint32_t max_background;
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uint32_t congestion_threshold;
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uint32_t reserved[23];
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};
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struct fuse_context {
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struct fuse *fuse;
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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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void *private_data;
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mode_t umask;
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};
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typedef ino_t fuse_ino_t;
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typedef int (*fuse_fill_dir_t)(void *, const char *, const struct stat *, off_t);
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typedef int (*fuse_dirfil_t)(void *, const char *, int, ino_t);
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/* only operations available in 2.6 */
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struct fuse_operations {
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int (*getattr)(const char *, struct stat *);
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int (*readlink)(const char *, char *, size_t);
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int (*getdir)(const char *, void *, fuse_dirfil_t);
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int (*mknod)(const char *, mode_t, dev_t);
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int (*mkdir)(const char *, mode_t);
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int (*unlink)(const char *);
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int (*rmdir)(const char *);
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int (*symlink)(const char *, const char *);
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int (*rename)(const char *, const char *);
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int (*link)(const char *, const char *);
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int (*chmod)(const char *, mode_t);
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int (*chown)(const char *, uid_t, gid_t);
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int (*truncate)(const char *, off_t);
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int (*utime)(const char *, struct utimbuf *);
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int (*open)(const char *, struct fuse_file_info *);
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int (*read)(const char *, char *, size_t, off_t,
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struct fuse_file_info *);
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int (*write)(const char *, const char *, size_t, off_t,
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struct fuse_file_info *);
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int (*statfs)(const char *, struct statvfs *);
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int (*flush)(const char *, struct fuse_file_info *);
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int (*release)(const char *, struct fuse_file_info *);
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int (*fsync)(const char *, int, struct fuse_file_info *);
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int (*setxattr)(const char *, const char *, const char *, size_t,
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int);
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int (*getxattr)(const char *, const char *, char *, size_t);
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int (*listxattr)(const char *, char *, size_t);
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int (*removexattr)(const char *, const char *);
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int (*opendir)(const char *, struct fuse_file_info *);
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int (*readdir)(const char *, void *, fuse_fill_dir_t, off_t,
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struct fuse_file_info *);
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int (*releasedir)(const char *, struct fuse_file_info *);
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int (*fsyncdir)(const char *, int, struct fuse_file_info *);
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void *(*init)(struct fuse_conn_info *);
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void (*destroy)(void *);
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int (*access)(const char *, int);
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int (*create)(const char *, mode_t, struct fuse_file_info *);
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int (*ftruncate)(const char *, off_t, struct fuse_file_info *);
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int (*fgetattr)(const char *, struct stat *, struct fuse_file_info *);
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int (*lock)(const char *, struct fuse_file_info *, int, struct flock *);
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int (*utimens)(const char *, const struct timespec *);
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int (*bmap)(const char *, size_t , uint64_t *);
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};
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/* API */
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int fuse_version(void);
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struct fuse *fuse_new(struct fuse_chan *, struct fuse_args *,
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const struct fuse_operations *, size_t, void *);
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void fuse_destroy(struct fuse *);
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void fuse_exit(struct fuse *f);
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struct fuse_session *fuse_get_session(struct fuse *);
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struct fuse_context *fuse_get_context(void);
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int fuse_loop(struct fuse *);
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int fuse_loop_mt(struct fuse *);
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int fuse_main(int, char **, const struct fuse_operations *, void *);
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struct fuse_chan *fuse_mount(const char *, struct fuse_args *);
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int fuse_parse_cmdline(struct fuse_args *, char **, int *, int *);
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void fuse_remove_signal_handlers(struct fuse_session *);
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int fuse_set_signal_handlers(struct fuse_session *);
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int fuse_chan_fd(struct fuse_chan *);
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int fuse_daemonize(int);
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int fuse_is_lib_option(const char *);
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void fuse_teardown(struct fuse *, char *);
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void fuse_unmount(const char *, struct fuse_chan *);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _INCLUDE__FUSE_H_ */
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