/usr/include/fuse/cuse_lowlevel.h is in libfuse-dev 2.9.7-1+deb9u2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 | /*
CUSE: Character device in Userspace
Copyright (C) 2008-2009 SUSE Linux Products GmbH
Copyright (C) 2008-2009 Tejun Heo <tj@kernel.org>
This program can be distributed under the terms of the GNU LGPLv2.
See the file COPYING.LIB.
Read example/cusexmp.c for usages.
*/
#ifndef _CUSE_LOWLEVEL_H_
#define _CUSE_LOWLEVEL_H_
#ifndef FUSE_USE_VERSION
#define FUSE_USE_VERSION 29
#endif
#include "fuse_lowlevel.h"
#include <fcntl.h>
#include <sys/types.h>
#include <sys/uio.h>
#ifdef __cplusplus
extern "C" {
#endif
#define CUSE_UNRESTRICTED_IOCTL (1 << 0) /* use unrestricted ioctl */
struct fuse_session;
struct cuse_info {
unsigned dev_major;
unsigned dev_minor;
unsigned dev_info_argc;
const char **dev_info_argv;
unsigned flags;
};
/*
* Most ops behave almost identically to the matching fuse_lowlevel
* ops except that they don't take @ino.
*
* init_done : called after initialization is complete
* read/write : always direct IO, simultaneous operations allowed
* ioctl : might be in unrestricted mode depending on ci->flags
*/
struct cuse_lowlevel_ops {
void (*init) (void *userdata, struct fuse_conn_info *conn);
void (*init_done) (void *userdata);
void (*destroy) (void *userdata);
void (*open) (fuse_req_t req, struct fuse_file_info *fi);
void (*read) (fuse_req_t req, size_t size, off_t off,
struct fuse_file_info *fi);
void (*write) (fuse_req_t req, const char *buf, size_t size, off_t off,
struct fuse_file_info *fi);
void (*flush) (fuse_req_t req, struct fuse_file_info *fi);
void (*release) (fuse_req_t req, struct fuse_file_info *fi);
void (*fsync) (fuse_req_t req, int datasync, struct fuse_file_info *fi);
void (*ioctl) (fuse_req_t req, int cmd, void *arg,
struct fuse_file_info *fi, unsigned int flags,
const void *in_buf, size_t in_bufsz, size_t out_bufsz);
void (*poll) (fuse_req_t req, struct fuse_file_info *fi,
struct fuse_pollhandle *ph);
};
struct fuse_session *cuse_lowlevel_new(struct fuse_args *args,
const struct cuse_info *ci,
const struct cuse_lowlevel_ops *clop,
void *userdata);
struct fuse_session *cuse_lowlevel_setup(int argc, char *argv[],
const struct cuse_info *ci,
const struct cuse_lowlevel_ops *clop,
int *multithreaded, void *userdata);
void cuse_lowlevel_teardown(struct fuse_session *se);
int cuse_lowlevel_main(int argc, char *argv[], const struct cuse_info *ci,
const struct cuse_lowlevel_ops *clop, void *userdata);
#ifdef __cplusplus
}
#endif
#endif /* _CUSE_LOWLEVEL_H_ */
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