On Tue, 27 Apr 2004, Jim Brain wrote: > I have an application that I need to port to windows, and it uses these two > Linux IOCTLs. Specifically, the app needs to monitor the DSR line and signal > another process when it changes.
What kind of response time do you need? You could poll it with a TIOCMGET and a small sleep (2 ms is the shortest sleep available via Cygwin). > I have migrated the rest of the app over with minimal work, but obviously > cygwin does not support linux/serial.h. I am OK with a rewrite of this > function (the rest is working fine), and am also OK writing it in straight > Win32 calls, but I don't know how to relate my opened fd with a HANDLE to use > the relevant WIN32 calls. To eliminate this problem, why not add it to Cygwin and contribute it? See http://cygwin.com/contrib.html for more details. On the other hand, a patch to provide this hook might be accepted. The details above still apply, though. -- Brian Ford Senior Realtime Software Engineer VITAL - Visual Simulation Systems FlightSafety International the best safety device in any aircraft is a well-trained pilot... -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/