On 10/22/2009 09:14 PM, Michael Kerrisk wrote:
So, sometimes, a number in a system call should be the bit width of
some arguments(s), sometimes it should be the number of arguments, and
sometimes (well, just occasionally, as in mmap2() and clone()) -- it
should be a version number? Does the weather play any part in the
decision? ;-)
The notion is that they are *some* kind of description on how the system
call has been augmented. The bitwidths and argument numbers are
non-overlapping and visually very different, so are not subject to
confusion. Your argument makes about as much sense as saying the letter
"a" should have the same meaning in every context.
-hpa
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