diff options
Diffstat (limited to 'include/fuse.h')
| -rw-r--r-- | include/fuse.h | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/include/fuse.h b/include/fuse.h index 2016ccc..e1b863c 100644 --- a/include/fuse.h +++ b/include/fuse.h @@ -469,11 +469,30 @@ struct fuse_operations { * _IOC_READ in area and if both are set in/out area. In all * non-NULL cases, the area is of _IOC_SIZE(@cmd) bytes. * - * Introduced in version 2.9 + * Introduced in version 2.8 */ int (*ioctl) (const char *, int cmd, void *arg, struct fuse_file_info *, unsigned int flags, void *data); + /** + * Poll for IO readiness events + * + * Note: If @ph is non-NULL, the client should notify + * when IO readiness events occur by calling + * fuse_notify_poll() with the specified @ph. + * + * Regardless of the number of times poll with a non-NULL @ph + * is received, single notification is enough to clear all. + * Notifying more times incurs overhead but doesn't harm + * correctness. + * + * The callee is responsible for destroying @ph with + * fuse_pollhandle_destroy() when no longer in use. + * + * Introduced in version 2.8 + */ + int (*poll) (const char *, struct fuse_file_info *, + struct fuse_pollhandle *ph, unsigned *reventsp); }; /** Extra context that may be needed by some filesystems @@ -708,9 +727,14 @@ int fuse_fs_bmap(struct fuse_fs *fs, const char *path, size_t blocksize, uint64_t *idx); int fuse_fs_ioctl(struct fuse_fs *fs, const char *path, int cmd, void *arg, struct fuse_file_info *fi, unsigned int flags, void *data); +int fuse_fs_poll(struct fuse_fs *fs, const char *path, + struct fuse_file_info *fi, struct fuse_pollhandle *ph, + unsigned *reventsp); void fuse_fs_init(struct fuse_fs *fs, struct fuse_conn_info *conn); void fuse_fs_destroy(struct fuse_fs *fs); +int fuse_notify_poll(struct fuse_pollhandle *ph); + /** * Create a new fuse filesystem object * |