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select on the parallel port, and non-blocking io
- To: cygwin at cygwin dot com
- Subject: select on the parallel port, and non-blocking io
- From: Kurt Roeckx <Q at ping dot be>
- Date: Mon, 16 Jul 2001 17:27:36 +0200
I use select on 2 fds, one of which is the parallel port.
The parallel port was opened like this:
port = open("lpt1", O_RDWR, O_NONBLOCK);
There shouldn't be any data on the port, since there is no device
attached, or it's powered down (I tried both). Yes select() says
I can read from it, and blocks on it.
Kurt
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