+/*
+ * Copyright (c) 2000-2014 Apple Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ *
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
+ */
#ifndef FSEVENT_H
#define FSEVENT_H 1
#define FSE_FINDER_INFO_CHANGED 6
#define FSE_CREATE_DIR 7
#define FSE_CHOWN 8
-
-#define FSE_MAX_EVENTS 9
+#define FSE_XATTR_MODIFIED 9
+#define FSE_XATTR_REMOVED 10
+#define FSE_DOCID_CREATED 11
+#define FSE_DOCID_CHANGED 12
+#define FSE_UNMOUNT_PENDING 13 // iOS-only: client must respond via FSEVENTS_UNMOUNT_PENDING_ACK
+#define FSE_CLONE 14
+
+#define FSE_MAX_EVENTS 15
#define FSE_ALL_EVENTS 998
#define FSE_EVENTS_DROPPED 999
+//
+// These defines only apply if you've asked for extended
+// type info. In that case the type field's low 12-bits
+// contain the basic types defined above and the top 4
+// bits contain flags that indicate if an event had other
+// events combined with it or if it represents a directory
+// that has dropped events below it.
+//
+#define FSE_TYPE_MASK 0x0fff
+#define FSE_FLAG_MASK 0xf000
+#define FSE_FLAG_SHIFT 12
+#define FSE_GET_FLAGS(type) (((type) >> 12) & 0x000f)
+
+#define FSE_COMBINED_EVENTS 0x0001
+#define FSE_CONTAINS_DROPPED_EVENTS 0x0002
+
+
// Actions for each event type
#define FSE_IGNORE 0
#define FSE_REPORT 1
#define FSE_ARG_DEV 0x0009 // next arg is the file's dev_t
#define FSE_ARG_MODE 0x000a // next arg is the file's mode (as an int32, file type only)
#define FSE_ARG_GID 0x000b // next arg is the file's gid (gid_t)
-#define FSE_ARG_FINFO 0x000c // kernel internal only
+#define FSE_ARG_FINFO 0x000c // next arg is a packed finfo (dev, ino, mode, uid, gid)
#define FSE_ARG_DONE 0xb33f // no more arguments
#define FSE_MAX_ARGS 12
+//
+// These are special bits that be set in the 32-bit mode
+// field that /dev/fsevents provides.
+//
+#define FSE_MODE_HLINK (1U << 31) // notification is for a hard-link
+#define FSE_MODE_LAST_HLINK (1U << 30) // link count == 0 on a hard-link delete
+#define FSE_REMOTE_DIR_EVENT (1U << 29) // this is a remotely generated directory-level granularity event
+#define FSE_TRUNCATED_PATH (1U << 28) // the path for this item had to be truncated
+#define FSE_MODE_CLONE (1U << 27) // notification is for a clone
// ioctl's on /dev/fsevents
typedef struct fsevent_clone_args {
- int8_t *event_list;
- int32_t num_events;
- int32_t event_queue_depth;
- int32_t *fd;
+ int8_t *event_list;
+ int32_t num_events;
+ int32_t event_queue_depth;
+ int32_t *fd;
} fsevent_clone_args;
-#define FSEVENTS_CLONE _IOW('s', 1, fsevent_clone_args)
+#define FSEVENTS_CLONE _IOW('s', 1, fsevent_clone_args)
// ioctl's on the cloned fd
+#pragma pack(push, 4)
typedef struct fsevent_dev_filter_args {
- uint32_t num_devices;
- dev_t *devices;
+ uint32_t num_devices;
+ dev_t *devices;
} fsevent_dev_filter_args;
+#pragma pack(pop)
-#define FSEVENTS_DEVICE_FILTER _IOW('s', 100, fsevent_dev_filter_args)
+#define FSEVENTS_DEVICE_FILTER _IOW('s', 100, fsevent_dev_filter_args)
+#define FSEVENTS_WANT_COMPACT_EVENTS _IO('s', 101)
+#define FSEVENTS_WANT_EXTENDED_INFO _IO('s', 102)
+#define FSEVENTS_GET_CURRENT_ID _IOR('s', 103, uint64_t)
+#define FSEVENTS_UNMOUNT_PENDING_ACK _IOW('s', 104, dev_t)
-#ifdef KERNEL
+#ifdef BSD_KERNEL_PRIVATE
-int need_fsevent(int type, vnode_t vp);
-int add_fsevent(int type, vfs_context_t, ...);
-void fsevent_unmount(struct mount *mp);
+void fsevents_init(void);
+void fsevent_unmount(struct mount *mp, vfs_context_t ctx);
+struct vnode_attr;
+void create_fsevent_from_kevent(vnode_t vp, uint32_t kevents, struct vnode_attr *vap);
// misc utility functions for fsevent info and pathbuffers...
typedef struct fse_info {
- dev_t dev;
- ino_t ino;
- int32_t mode; // note: this is not a mode_t (it's 32-bits, not 16)
- uid_t uid;
- gid_t gid;
+ ino64_t ino;
+ dev_t dev;
+ int32_t mode;// note: this is not a mode_t (it's 32-bits, not 16)
+ uid_t uid;
+ gid_t gid;
+ uint64_t nlink;// only filled in if the vnode is marked as a hardlink
} fse_info;
int get_fse_info(struct vnode *vp, fse_info *fse, vfs_context_t ctx);
+int vnode_get_fse_info_from_vap(vnode_t vp, fse_info *fse, struct vnode_attr *vap);
char *get_pathbuff(void);
void release_pathbuff(char *path);
-#endif /* KERNEL */
+#endif /* BSD_KERNEL_PRIVATE */
+
+#ifdef KERNEL_PRIVATE
+
+int need_fsevent(int type, vnode_t vp);
+int add_fsevent(int type, vfs_context_t, ...);
+
+#endif /* KERNEL_PRIVATE */
#endif /* FSEVENT_H */
projects / apple / xnu.git / blobdiff