94 lines
2.2 KiB
C++
94 lines
2.2 KiB
C++
#ifndef _NODE_MONITOR_H
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#define _NODE_MONITOR_H
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/* Node monitor calls for kernel add-ons
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**
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** Distributed under the terms of the OpenBeOS License.
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*/
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#include <StorageDefs.h>
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/* Flags for the watch_node() call.
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*
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* Note that B_WATCH_MOUNT is NOT included in B_WATCH_ALL.
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* You may prefer to use BVolumeRoster for volume watching.
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*/
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enum {
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B_STOP_WATCHING = 0x0000,
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B_WATCH_NAME = 0x0001,
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B_WATCH_STAT = 0x0002,
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B_WATCH_ATTR = 0x0004,
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B_WATCH_DIRECTORY = 0x0008,
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B_WATCH_ALL = 0x000f,
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B_WATCH_MOUNT = 0x0010
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};
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/* The "opcode" field of the B_NODE_MONITOR notification message you get.
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*
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* The presence and meaning of the other fields in that message specifying what
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* exactly caused the notification depend on this value.
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*/
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#define B_ENTRY_CREATED 1
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#define B_ENTRY_REMOVED 2
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#define B_ENTRY_MOVED 3
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#define B_STAT_CHANGED 4
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#define B_ATTR_CHANGED 5
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#define B_DEVICE_MOUNTED 6
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#define B_DEVICE_UNMOUNTED 7
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// More specific info in the "cause" field of B_ATTR_CHANGED notification
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// messages. (Haiku only)
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#define B_ATTR_CREATED 1
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#define B_ATTR_REMOVED 2
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// B_ATTR_CHANGED is reused
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// More specific info in the "fields" field of B_STAT_CHANGED notification
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// messages, specifying what parts of the stat data have actually been
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// changed. (Haiku only)
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enum {
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B_STAT_MODE = 0x01,
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B_STAT_UID = 0x02,
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B_STAT_GID = 0x04,
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B_STAT_SIZE = 0x08,
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B_STAT_ACCESS_TIME = 0x10,
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B_STAT_MODIFICATION_TIME = 0x20,
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B_STAT_CREATION_TIME = 0x40,
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B_STAT_CHANGE_TIME = 0x80,
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};
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/* C++ callable Prototypes
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*
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* Since you are not able to parse BMessages from plain C, there is no
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* API exported.
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*/
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#if defined(__cplusplus) && !defined(_KERNEL_MODE)
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// these are only needed for the function exports
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#include <Node.h>
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#include <Messenger.h>
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class BLooper;
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class BHandler;
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extern status_t watch_node(const node_ref *node, uint32 flags, BMessenger target);
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extern status_t watch_node(const node_ref *node, uint32 flags,
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const BHandler *handler,
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const BLooper *looper = NULL);
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extern status_t stop_watching(BMessenger target);
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extern status_t stop_watching(const BHandler *handler, const BLooper *looper = NULL);
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#endif /* __cplusplus && !_KERNEL_MODE */
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#endif /* _NODE_MONITOR_H*/
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