Author: Alex Boby
Date: 12:25:42 05/28/01
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On May 28, 2001 at 05:33:43, David Blackman wrote: >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.) I think i'll try the i/o thread out, seems like it'd be the most efficient. Alex
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