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Date: Tue, 30 Oct 2012 12:37:36 -0700 (PDT)
From: vince <vincedupuis AT hotmail DOT com>
To: cygwin AT cygwin DOT com
Message-ID: <1351625856139-94086.post@n5.nabble.com>
Subject: serial port block on the command line
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Hi,

Why this command is blocking on the cygwin shell:

echo "Hello" > /dev/ttyS0

I need to break it with ctrl-c and it gives me the following line:
-bash: echo: write error: Interrupted system call

I don't understand what is going on.

Thanks,

Vince



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