Author: David Blackman
Date: 02:33:43 05/28/01
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On May 28, 2001 at 01:46:16, Alex Boby wrote: > >Other than the dinky _kbhit(), is there a win32 equivalent of the all mighty >select()? If not,.. how does everybody poll for input under windows? > >Sorry for the stupid question but I had a tough time finding anything with msdn. > >Alex There is select() but it only works on sockets. It's in the winsock library, and probably declared in winsock.h if you use C. Maybe that is enough? I suppose you could make it work by having a little program sit on each non-socket thing you want to watch, and then have the little programs talk to the main program via sockets. Another way is to do an event loop and have the system do callbacks any time anything interesting happens. I haven't had to do that yet so i'm not sure of details like the actual calls used, but it's the way the MS-windows programmers around here usually do it. It sounds horrible. You could also go multi-threaded with one thread for each thing you want to do I/O to, and just do ordinary blocking I/O, since it only blocks the one thread. Again this sounds fairly horrible if you think about deadlock avoidance, synchronisation etc. This is the approach i am trying to get away with at work. (It won't come up for me with chess programming, because there is no way i am going to try to program MS-windows just for fun.)
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