MarkMask

    pub const MarkMask = packed struct(u64) {
        /// File was accessed
        ACCESS: bool = false,
        /// File was modified
        MODIFY: bool = false,
        /// Metadata changed
        ATTRIB: bool = false,
        /// Writtable file closed
        CLOSE_WRITE: bool = false,
        /// Unwrittable file closed
        CLOSE_NOWRITE: bool = false,
        /// File was opened
        OPEN: bool = false,
        /// File was moved from X
        MOVED_FROM: bool = false,
        /// File was moved to Y
        MOVED_TO: bool = false,

        /// Subfile was created
        CREATE: bool = false,
        /// Subfile was deleted
        DELETE: bool = false,
        /// Self was deleted
        DELETE_SELF: bool = false,
        /// Self was moved
        MOVE_SELF: bool = false,
        /// File was opened for exec
        OPEN_EXEC: bool = false,
        reserved13: u1 = 0,
        /// Event queued overflowed
        Q_OVERFLOW: bool = false,
        /// Filesystem error
        FS_ERROR: bool = false,

        /// File open in perm check
        OPEN_PERM: bool = false,
        /// File accessed in perm check
        ACCESS_PERM: bool = false,
        /// File open/exec in perm check
        OPEN_EXEC_PERM: bool = false,
        reserved19: u8 = 0,
        /// Interested in child events
        EVENT_ON_CHILD: bool = false,
        /// File was renamed
        RENAME: bool = false,
        reserved30: u1 = 0,
        /// Event occurred against dir
        ONDIR: bool = false,
        reserved31: u33 = 0,
    }