本文整理汇总了C++中BDiskDevice::Eject方法的典型用法代码示例。如果您正苦于以下问题：C++ BDiskDevice::Eject方法的具体用法？C++ BDiskDevice::Eject怎么用？C++ BDiskDevice::Eject使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类BDiskDevice的用法示例。
在下文中一共展示了BDiskDevice::Eject方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: Visit
void
AutoMounter::_UnmountAndEjectVolume(BPartition* partition, BPath& mountPoint,
const char* name)
{
BDiskDevice deviceStorage;
BDiskDevice* device;
if (partition == NULL) {
// Try to retrieve partition
BDiskDeviceRoster().FindPartitionByMountPoint(mountPoint.Path(),
&deviceStorage, &partition);
device = &deviceStorage;
} else {
device = partition->Device();
}
status_t status;
if (partition != NULL)
status = partition->Unmount();
else
status = fs_unmount_volume(mountPoint.Path(), 0);
if (status != B_OK) {
if (!_SuggestForceUnmount(name, status))
return;
if (partition != NULL)
status = partition->Unmount(B_FORCE_UNMOUNT);
else
status = fs_unmount_volume(mountPoint.Path(), B_FORCE_UNMOUNT);
}
if (status != B_OK) {
_ReportUnmountError(name, status);
return;
}
if (fEjectWhenUnmounting && partition != NULL) {
// eject device if it doesn't have any mounted partitions left
class IsMountedVisitor : public BDiskDeviceVisitor {
public:
IsMountedVisitor()
:
fHasMounted(false)
{
}
virtual bool Visit(BDiskDevice* device)
{
return Visit(device, 0);
}
virtual bool Visit(BPartition* partition, int32 level)
{
if (partition->IsMounted()) {
fHasMounted = true;
return true;
}
return false;
}
bool HasMountedPartitions() const
{
return fHasMounted;
}
private:
bool fHasMounted;
} visitor;
device->VisitEachDescendant(&visitor);
if (!visitor.HasMountedPartitions())
device->Eject();
}
// remove the directory if it's a directory in rootfs
if (dev_for_path(mountPoint.Path()) == dev_for_path("/"))
rmdir(mountPoint.Path());
}