kits/storage/NodeMonitor.cpp

26 /*!	\brief Subscribes a target to watch node changes on a volume.
30 	  or \c B_WATCH_ATTR: The target is subscribed to
35 	\param target Messenger referring to the target. Must be valid.
39 watch_volume(dev_t volume, uint32 flags, BMessenger target)
46 	BMessenger::Private messengerPrivate(target);
62 /*!	\brief Subscribes a target to node and/or mount watching, or unsubscribes
66 	- \a flags is \c 0: The target is unsubscribed from watching the node.
68 	- \a flags contains \c B_WATCH_MOUNT: The target is subscribed to mount
71 	  \c B_WATCH_ATTR, or \c B_WATCH_DIRECTORY: The target is subscribed to
81 	\param target Messenger referring to the target. Must be valid.
85 watch_node(const node_ref *node, uint32 flags, BMessenger target)
87 	if (!target.IsValid())
90 	BMessenger::Private messengerPrivate(target);
126 /*!	\brief Subscribes a target to node and/or mount watching, or unsubscribes
130 	- \a flags is \c 0: The target is unsubscribed from watching the node.
132 	- \a flags contains \c B_WATCH_MOUNT: The target is subscribed to mount
135 	  \c B_WATCH_ATTR, or \c B_WATCH_DIRECTORY: The target is subscribed to
145 	\param handler The target handler. May be \c NULL, if \a looper is not
147 	\param looper The target looper. May be \c NULL, if \a handler is not
148 		   \c NULL. Then the handler's looper is the target looper.
159 /*!	\brief Unsubscribes a target from node and mount monitoring.
160 	\param target Messenger referring to the target. Must be valid.
164 stop_watching(BMessenger target)
166 	if (!target.IsValid())
169 	BMessenger::Private messengerPrivate(target);
177 /*!	\brief Unsubscribes a target from node and mount monitoring.
178 	\param handler The target handler. May be \c NULL, if \a looper is not
180 	\param looper The target looper. May be \c NULL, if \a handler is not
181 		   \c NULL. Then the handler's looper is the target looper.