projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 91447636 A |
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 */ |