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Implemented Do(). Looks like it works.

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@4847 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold 2003-09-28 19:33:23 +00:00
parent 0ee064b1fb
commit 373c8e3751
1 changed files with 43 additions and 2 deletions
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45
src/kernel/core/disk_device_manager/jobs/KUninitializeJob.cpp
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@ -3,6 +3,11 @@
#include <stdio.h>
#include <DiskDeviceDefs.h>
#include <KDiskDevice.h>
#include <KDiskDeviceManager.h>
#include <KDiskDeviceUtils.h>
#include <KPartition.h>
#include <KPartitionVisitor.h>
#include "KUninitializeJob.h"
@ -27,8 +32,44 @@ KUninitializeJob::~KUninitializeJob()
status_t
KUninitializeJob::Do()
{
// TODO: implement
DBG(OUT("KUninitializeJob::Do(%ld)\n", PartitionID()));
DBG(OUT("KUninitializeJob::Do(%ld)\n", PartitionID()));
// get the partition
KDiskDeviceManager *manager = KDiskDeviceManager::Default();
if (KPartition *partition = manager->WriteLockPartition(PartitionID())) {
PartitionRegistrar registrar1(partition, true);
PartitionRegistrar registrar2(partition->Device(), true);
DeviceWriteLocker locker(partition->Device(), true);
// the partition's descendants must not be mounted
struct IsMountedVisitor : KPartitionVisitor {
virtual bool VisitPre(KPartition *partition)
{
return partition->IsMounted();
}
} isMountedVisitor;
if (partition->VisitEachDescendant(&isMountedVisitor)) {
SetErrorMessage("Can't uninitialize mounted partition.");
return B_ERROR;
}
// all descendants should be marked busy/descendant busy
struct IsNotBusyVisitor : KPartitionVisitor {
virtual bool VisitPre(KPartition *partition)
{
return !(partition->IsBusy() || partition->IsDescendantBusy());
}
} isNotBusyVisitor;
if (partition->VisitEachDescendant(&isNotBusyVisitor)) {
SetErrorMessage("Can't uninitialize non-busy partition!");
return B_ERROR;
}
// things look good: uninitialize the thing
status_t error = partition->UninitializeContents();
if (error != B_OK)
SetErrorMessage("Failed to uninitialize partition contents!");
return error;
} else {
SetErrorMessage("Couldn't find partition.");
return B_ENTRY_NOT_FOUND;
}
return B_OK;
}