private KernelResult ConnectToPort(int clientPortHandle, out int clientSessionHandle)
{
clientSessionHandle = 0;
KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
KClientPort clientPort = currentProcess.HandleTable.GetObject <KClientPort>(clientPortHandle);
if (clientPort == null)
{
return(KernelResult.InvalidHandle);
}
KernelResult result = currentProcess.HandleTable.ReserveHandle(out int handle);
if (result != KernelResult.Success)
{
return(result);
}
KAutoObject session;
if (clientPort.IsLight)
{
result = clientPort.ConnectLight(out KLightClientSession clientSession);
session = clientSession;
}
else
{
result = clientPort.Connect(out KClientSession clientSession);
session = clientSession;
}
if (result != KernelResult.Success)
{
currentProcess.HandleTable.CancelHandleReservation(handle);
return(result);
}
currentProcess.HandleTable.SetReservedHandleObj(handle, session);
session.DecrementReferenceCount();
clientSessionHandle = handle;
return(result);
}
private KernelResult ManageNamedPort(ulong namePtr, int maxSessions, out int handle)
{
handle = 0;
if (!KernelTransfer.UserToKernelString(_system, namePtr, 12, out string name))
{
return(KernelResult.UserCopyFailed);
}
if (maxSessions < 0 || name.Length > 11)
{
return(KernelResult.MaximumExceeded);
}
if (maxSessions == 0)
{
return(KClientPort.RemoveName(_system, name));
}
KPort port = new KPort(_system);
KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
KernelResult result = currentProcess.HandleTable.GenerateHandle(port.ServerPort, out handle);
if (result != KernelResult.Success)
{
return(result);
}
port.Initialize(maxSessions, false, 0);
result = port.SetName(name);
if (result != KernelResult.Success)
{
currentProcess.HandleTable.CloseHandle(handle);
}
return(result);
}
public KPort(Horizon System) : base(System)
{
ServerPort = new KServerPort(System);
ClientPort = new KClientPort(System);
}