/*! Calls device_removed() on this node and all of its children - starting
with the deepest and last child.
It will also remove the one reference that every node gets on its creation.
*/
void
device_node::DeviceRemoved()
{
// notify children
NodeList::ConstIterator iterator = Children().GetIterator();
while (iterator.HasNext()) {
device_node* child = iterator.Next();
child->DeviceRemoved();
}
// notify devices
DeviceList::ConstIterator deviceIterator = Devices().GetIterator();
while (deviceIterator.HasNext()) {
Device* device = deviceIterator.Next();
if (device->Module() != NULL
&& device->Module()->device_removed != NULL)
device->Module()->device_removed(device->Data());
}
fFlags |= NODE_FLAG_DEVICE_REMOVED;
if (IsInitialized() && DriverModule()->device_removed != NULL)
DriverModule()->device_removed(this);
if ((fFlags & B_KEEP_DRIVER_LOADED) != 0) {
// There is no point in keeping this driver loaded when its device
// is gone
UninitDriver();
}
UninitUnusedDriver();
Release();
}
void
device_node::Dump(int32 level)
{
put_level(level);
kprintf("(%" B_PRId32 ") @%p \"%s\" (ref %" B_PRId32 ", init %" B_PRId32
", module %p, data %p)\n", level, this, ModuleName(), fRefCount,
fInitialized, DriverModule(), DriverData());
AttributeList::Iterator attribute = Attributes().GetIterator();
while (attribute.HasNext()) {
dump_attribute(attribute.Next(), level);
}
DeviceList::Iterator deviceIterator = fDevices.GetIterator();
while (deviceIterator.HasNext()) {
Device* device = deviceIterator.Next();
put_level(level);
kprintf("device: %s, %p\n", device->ModuleName(), device->Data());
}
NodeList::ConstIterator iterator = Children().GetIterator();
while (iterator.HasNext()) {
iterator.Next()->Dump(level + 1);
}
}
Context::Context( const Device &device ) : mID( 0 ) {
cl_int error = 0;
cl_device_id devid = device.Data();
mID = clCreateContext( 0, 1, &devid, 0, 0, &error );
if( error != CL_SUCCESS ) throw std::exception();
}
