Re: Problem: cat < /dev/my_ttyS0 is not blocked

Denis Vlasenko
2007-03-10T22:47:00Z

On Saturday 10 March 2007 13:16, Mockern wrote:
> I have a problem with cat < /dev/my_ttyS0 (see strace output below).
> cat function is not blocked. I don't understand why it is not stopped
> at read(0, __ and terminated?
> Thank you

Because /dev/my_ttyS0 is probaly a null file.

Please show output of 'ls -l /dev/*ttyS*'

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vda