Augustin Cavalier
cbfbbf6d4d
Since BObjectList is a template class, this only breaks ABI where BObjectList was exposed in public methods, and even then it's only a name mangling break and we should be able to add compatibility methods if necessary. (The old "bool owning" member variable is left intact for ABI compatibility, for the moment, though it's otherwise unused now.) Tracker's PoseList is the only remaining type that has a "bool owning" switch in the constructor rather than template parameters. This should significantly improve the output of static code analysis tools that previously detected list operations as causing use-after-frees and double-frees, as well as make code maintenance easier by making it easier to determine what list owns (or does not own) an object. It should also be a minor performance optimization, since the branches for calls to delete/free should now be optimized out altogether. Still boots to desktop and Tracker, Deskbar, Debugger all tested and verified as working. Change-Id: If2a24a6f0d22e7a506ef554fcfdd328907279ed4 Reviewed-on: https://review.haiku-os.org/c/haiku/+/8915 Reviewed-by: waddlesplash <[email protected]>
93 lines
2.8 KiB
C++
93 lines
2.8 KiB
C++
/*
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* Copyright 2003-2007, Haiku Inc. All Rights Reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _DISK_DEVICE_LIST_H
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#define _DISK_DEVICE_LIST_H
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#include <DiskDeviceDefs.h>
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#include <DiskDeviceVisitor.h>
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#include <Handler.h>
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#include <ObjectList.h>
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class BDiskDevice;
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class BDiskDeviceRoster;
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class BLocker;
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class BPartition;
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class BSession;
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class BDiskDeviceList : public BHandler {
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public:
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BDiskDeviceList(bool useOwnLocker = true);
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virtual ~BDiskDeviceList();
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virtual void MessageReceived(BMessage *message);
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virtual void SetNextHandler(BHandler *handler);
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status_t Fetch();
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void Unset();
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bool Lock();
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void Unlock();
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int32 CountDevices() const;
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BDiskDevice *DeviceAt(int32 index) const;
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BDiskDevice *VisitEachDevice(BDiskDeviceVisitor *visitor);
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BPartition *VisitEachPartition(BDiskDeviceVisitor *visitor);
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BPartition *VisitEachMountedPartition(BDiskDeviceVisitor *visitor);
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BPartition *VisitEachMountablePartition(BDiskDeviceVisitor *visitor);
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BDiskDevice *DeviceWithID(partition_id id) const;
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BPartition *PartitionWithID(partition_id id) const;
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virtual void MountPointMoved(BPartition *partition);
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virtual void PartitionMounted(BPartition *partition);
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virtual void PartitionUnmounted(BPartition *partition);
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virtual void PartitionInitialized(BPartition *partition);
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virtual void PartitionResized(BPartition *partition);
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virtual void PartitionMoved(BPartition *partition);
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virtual void PartitionCreated(BPartition *partition);
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virtual void PartitionDeleted(BPartition *partition,
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partition_id partitionID);
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virtual void PartitionDefragmented(BPartition *partition);
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virtual void PartitionRepaired(BPartition *partition);
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virtual void PartitionChanged(BPartition *partition, uint32 event);
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virtual void MediaChanged(BDiskDevice *device);
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virtual void DeviceAdded(BDiskDevice *device);
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virtual void DeviceRemoved(BDiskDevice *device);
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private:
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status_t _StartWatching();
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void _StopWatching();
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void _MountPointMoved(BMessage *message);
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void _PartitionMounted(BMessage *message);
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void _PartitionUnmounted(BMessage *message);
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void _PartitionInitialized(BMessage *message);
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void _PartitionResized(BMessage *message);
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void _PartitionMoved(BMessage *message);
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void _PartitionCreated(BMessage *message);
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void _PartitionDeleted(BMessage *message);
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void _PartitionDefragmented(BMessage *message);
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void _PartitionRepaired(BMessage *message);
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void _MediaChanged(BMessage *message);
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void _DeviceAdded(BMessage *message);
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void _DeviceRemoved(BMessage *message);
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BDiskDevice *_FindDevice(BMessage *message);
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BPartition *_FindPartition(BMessage *message);
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BDiskDevice *_UpdateDevice(BMessage *message);
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private:
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BLocker *fLocker;
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BObjectList<BDiskDevice, true> fDevices;
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bool fSubscribed;
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};
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#endif // _DISK_DEVICE_LIST_H
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