private void UninitializePoll(ProcessorPin pin)
{
if (pinPolls.TryGetValue(pin, out PinPoll poll))
{
pinPolls.Remove(pin);
var controlResult = poll.InEventPtr != IntPtr.Zero ? OP.epoll_ctl(poll.PollDescriptor, OP.EPOLL_CTL_DEL, poll.FileDescriptor, poll.InEventPtr) : 0;
Marshal.FreeHGlobal(poll.InEventPtr);
Marshal.FreeHGlobal(poll.OutEventPtr);
UnixFile.CloseFileDescriptor(poll.PollDescriptor);
UnixFile.CloseFileDescriptor(poll.FileDescriptor);
if (controlResult != 0)
{
throw new IOException("Call to epoll_ctl(EPOLL_CTL_DEL) API failed with the following return value: " + controlResult);
}
}
}
