haiku/headers/private/kernel/disk_device_manager/KDiskDeviceManager.h
Ingo Weinhold 29a37d780d Implemented some basics of KDiskDeviceManager.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@3460 a95241bf-73f2-0310-859d-f6bbb57e9c96
2003-06-10 22:35:57 +00:00

92 lines
2.1 KiB
C++

// KDiskDeviceManager.h
#ifndef _K_DISK_DEVICE_MANAGER_H
#define _K_DISK_DEVICE_MANAGER_H
#include "disk_device_manager.h"
#include "List.h"
#include "Locker.h"
namespace BPrivate {
namespace DiskDevice {
class KDiskDevice;
class KDiskDeviceJob;
class KDiskDeviceJobQueue;
class KDiskSystem;
class KPartition;
class KDiskDeviceManager {
public:
KDiskDeviceManager();
~KDiskDeviceManager();
status_t InitCheck() const;
// Singleton Creation, Deletion, and Access
static status_t CreateDefault();
static void DeleteDefault();
static KDiskDeviceManager *Default();
// Locking
bool Lock();
void Unlock();
// Disk Device / Partition Management
KDiskDevice *RegisterDevice(const char *path, bool noShadow = true);
KDiskDevice *RegisterDevice(partition_id id, bool noShadow = true);
KPartition *RegisterPartition(const char *path, bool noShadow = true);
KPartition *RegisterPartition(partition_id id, bool noShadow = true);
// manager must be locked
int32 CountDiskDevices();
KDiskDevice *DiskDeviceAt(int32 index);
bool PartitionAdded(KPartition *partition); // implementation internal
bool PartitionRemoved(KPartition *partition); //
// Jobs
// manager must be locked
KDiskDeviceJob *JobWithID(disk_job_id id);
int32 CountJobs();
KDiskDeviceJob *JobAt(int32 index);
// manager must be locked
bool AddJobQueue(KDiskDeviceJobQueue *jobQueue);
int32 CountJobQueues();
KDiskDeviceJobQueue *JobQueueAt(int32 index);
// Disk Systems
// manager must be locked
KDiskSystem *DiskSystemWithName(const char *name);
KDiskSystem *DiskSystemWithID(disk_system_id id);
int32 CountDiskSystems();
KDiskSystem *DiskSystemAt(int32 index);
// Watching
// TODO: Watching service for the kernel. The userland watching is handled
// by the registrar.
private:
KPartition *_FindPartition(partition_id id) const;
BLocker fLock;
List<KDiskDevice*> fDevices; // TODO: Optimize!
List<KPartition*> fPartitions; //
static KDiskDeviceManager *fDefaultManager;
};
} // namespace DiskDevice
} // namespace BPrivate
using BPrivate::DiskDevice::KDiskDeviceManager;
#endif // _K_DISK_DEVICE_MANAGER_H