Messages in this thread |  | | | From | Denis Vlasenko <> | | Subject | Re: Problem: cat < /dev/my_ttyS0 is not blocked | | Date | Sat, 10 Mar 2007 23:43:31 +0100 |
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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*' -- vda - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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