| | 1 | #ifndef FSEVENT_H |
| | 2 | #define FSEVENT_H 1 |
| | 3 | |
| | 4 | // Event types that you can ask to listen for |
| | 5 | #define FSE_INVALID -1 |
| | 6 | #define FSE_CREATE_FILE 0 |
| | 7 | #define FSE_DELETE 1 |
| | 8 | #define FSE_STAT_CHANGED 2 |
| | 9 | #define FSE_RENAME 3 |
| | 10 | #define FSE_CONTENT_MODIFIED 4 |
| | 11 | #define FSE_EXCHANGE 5 |
| | 12 | #define FSE_FINDER_INFO_CHANGED 6 |
| | 13 | #define FSE_CREATE_DIR 7 |
| | 14 | #define FSE_CHOWN 8 |
| | 15 | |
| | 16 | #define FSE_MAX_EVENTS 9 |
| | 17 | #define FSE_ALL_EVENTS 998 |
| | 18 | |
| | 19 | #define FSE_EVENTS_DROPPED 999 |
| | 20 | |
| | 21 | // Actions for each event type |
| | 22 | #define FSE_IGNORE 0 |
| | 23 | #define FSE_REPORT 1 |
| | 24 | #define FSE_ASK 2 // Not implemented yet |
| | 25 | |
| | 26 | // The types of each of the arguments for an event |
| | 27 | // Each type is followed by the size and then the |
| | 28 | // data. FSE_ARG_VNODE is just a path string |
| | 29 | #define FSE_ARG_VNODE 0x0001 // next arg is a vnode pointer |
| | 30 | #define FSE_ARG_STRING 0x0002 // next arg is length followed by string ptr |
| | 31 | #define FSE_ARG_PATH 0x0003 // next arg is a full path |
| | 32 | #define FSE_ARG_INT32 0x0004 // next arg is a 32-bit int |
| | 33 | #define FSE_ARG_INT64 0x0005 // next arg is a 64-bit int |
| | 34 | #define FSE_ARG_RAW 0x0006 // next arg is a length followed by a void ptr |
| | 35 | #define FSE_ARG_INO 0x0007 // next arg is the inode number (ino_t) |
| | 36 | #define FSE_ARG_UID 0x0008 // next arg is the file's uid (uid_t) |
| | 37 | #define FSE_ARG_DEV 0x0009 // next arg is the file's dev_t |
| | 38 | #define FSE_ARG_MODE 0x000a // next arg is the file's mode (as an int32, file type only) |
| | 39 | #define FSE_ARG_GID 0x000b // next arg is the file's gid (gid_t) |
| | 40 | #define FSE_ARG_FINFO 0x000c // kernel internal only |
| | 41 | #define FSE_ARG_DONE 0xb33f // no more arguments |
| | 42 | |
| | 43 | #define FSE_MAX_ARGS 12 |
| | 44 | |
| | 45 | |
| | 46 | // ioctl's on /dev/fsevents |
| | 47 | typedef struct fsevent_clone_args { |
| | 48 | int8_t *event_list; |
| | 49 | int32_t num_events; |
| | 50 | int32_t event_queue_depth; |
| | 51 | int32_t *fd; |
| | 52 | } fsevent_clone_args; |
| | 53 | |
| | 54 | #define FSEVENTS_CLONE _IOW('s', 1, fsevent_clone_args) |
| | 55 | |
| | 56 | |
| | 57 | // ioctl's on the cloned fd |
| | 58 | typedef struct fsevent_dev_filter_args { |
| | 59 | uint32_t num_devices; |
| | 60 | dev_t *devices; |
| | 61 | } fsevent_dev_filter_args; |
| | 62 | |
| | 63 | #define FSEVENTS_DEVICE_FILTER _IOW('s', 100, fsevent_dev_filter_args) |
| | 64 | |
| | 65 | |
| | 66 | #ifdef KERNEL |
| | 67 | |
| | 68 | int need_fsevent(int type, vnode_t vp); |
| | 69 | int add_fsevent(int type, vfs_context_t, ...); |
| | 70 | void fsevent_unmount(struct mount *mp); |
| | 71 | |
| | 72 | // misc utility functions for fsevent info and pathbuffers... |
| | 73 | typedef struct fse_info { |
| | 74 | dev_t dev; |
| | 75 | ino_t ino; |
| | 76 | int32_t mode; // note: this is not a mode_t (it's 32-bits, not 16) |
| | 77 | uid_t uid; |
| | 78 | gid_t gid; |
| | 79 | } fse_info; |
| | 80 | |
| | 81 | int get_fse_info(struct vnode *vp, fse_info *fse, vfs_context_t ctx); |
| | 82 | |
| | 83 | char *get_pathbuff(void); |
| | 84 | void release_pathbuff(char *path); |
| | 85 | |
| | 86 | #endif /* KERNEL */ |
| | 87 | |
| | 88 | #endif /* FSEVENT_H */ |
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