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When I first started programming UNIX I thought SIGIO made sense as a good mechanism for I/O multiplexing. I thought this because of much previous experience wi
by jhallenworld 10y ago
When I first started programming UNIX I thought SIGIO made sense as a good mechanism for I/O multiplexing. I thought this because of much previous experience with interrupt handlers in the embedded world. However at the time, it just did not work (no sigsuspend) and even today it's a big mess. SIGIO should just be removed- it's the wrong way to handle I/O in UNIX.