| /* |
| FUSE: Filesystem in Userspace |
| Copyright (C) 2001-2007 Miklos Szeredi <miklos@szeredi.hu> |
| |
| This program can be distributed under the terms of the GNU LGPLv2. |
| See the file COPYING.LIB |
| */ |
| |
| #include "fuse.h" |
| #include "fuse_lowlevel.h" |
| |
| struct mount_opts; |
| |
| struct fuse_req { |
| struct fuse_session *se; |
| uint64_t unique; |
| int ctr; |
| pthread_mutex_t lock; |
| struct fuse_ctx ctx; |
| struct fuse_chan *ch; |
| int interrupted; |
| unsigned int ioctl_64bit : 1; |
| union { |
| struct { |
| uint64_t unique; |
| } i; |
| struct { |
| fuse_interrupt_func_t func; |
| void *data; |
| } ni; |
| } u; |
| struct fuse_req *next; |
| struct fuse_req *prev; |
| }; |
| |
| struct fuse_notify_req { |
| uint64_t unique; |
| void (*reply)(struct fuse_notify_req *, fuse_req_t, fuse_ino_t, |
| const void *, const struct fuse_buf *); |
| struct fuse_notify_req *next; |
| struct fuse_notify_req *prev; |
| }; |
| |
| struct fuse_session { |
| char *mountpoint; |
| volatile int exited; |
| int fd; |
| struct mount_opts *mo; |
| int debug; |
| int deny_others; |
| struct fuse_lowlevel_ops op; |
| int got_init; |
| struct cuse_data *cuse_data; |
| void *userdata; |
| uid_t owner; |
| struct fuse_conn_info conn; |
| struct fuse_req list; |
| struct fuse_req interrupts; |
| pthread_mutex_t lock; |
| int got_destroy; |
| pthread_key_t pipe_key; |
| int broken_splice_nonblock; |
| uint64_t notify_ctr; |
| struct fuse_notify_req notify_list; |
| size_t bufsize; |
| int error; |
| }; |
| |
| struct fuse_chan { |
| pthread_mutex_t lock; |
| int ctr; |
| int fd; |
| }; |
| |
| /** |
| * Filesystem module |
| * |
| * Filesystem modules are registered with the FUSE_REGISTER_MODULE() |
| * macro. |
| * |
| */ |
| struct fuse_module { |
| char *name; |
| fuse_module_factory_t factory; |
| struct fuse_module *next; |
| struct fusemod_so *so; |
| int ctr; |
| }; |
| |
| /* ----------------------------------------------------------- * |
| * Channel interface (when using -o clone_fd) * |
| * ----------------------------------------------------------- */ |
| |
| /** |
| * Obtain counted reference to the channel |
| * |
| * @param ch the channel |
| * @return the channel |
| */ |
| struct fuse_chan *fuse_chan_get(struct fuse_chan *ch); |
| |
| /** |
| * Drop counted reference to a channel |
| * |
| * @param ch the channel |
| */ |
| void fuse_chan_put(struct fuse_chan *ch); |
| |
| struct mount_opts *parse_mount_opts(struct fuse_args *args); |
| void destroy_mount_opts(struct mount_opts *mo); |
| void fuse_mount_version(void); |
| unsigned get_max_read(struct mount_opts *o); |
| void fuse_kern_unmount(const char *mountpoint, int fd); |
| int fuse_kern_mount(const char *mountpoint, struct mount_opts *mo); |
| |
| int fuse_send_reply_iov_nofree(fuse_req_t req, int error, struct iovec *iov, |
| int count); |
| void fuse_free_req(fuse_req_t req); |
| |
| void cuse_lowlevel_init(fuse_req_t req, fuse_ino_t nodeide, const void *inarg); |
| |
| int fuse_start_thread(pthread_t *thread_id, void *(*func)(void *), void *arg); |
| |
| int fuse_session_receive_buf_int(struct fuse_session *se, struct fuse_buf *buf, |
| struct fuse_chan *ch); |
| void fuse_session_process_buf_int(struct fuse_session *se, |
| const struct fuse_buf *buf, struct fuse_chan *ch); |