* ...Ada Technology (cont.)...
@ 1986-04-01 3:54 larry
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From: larry @ 1986-04-01 3:54 UTC (permalink / raw)
What fun to work at home. My lady's CAT just jumped on the END-MESSAGE key!
Murphy's Law strikes again.
There are at least three major types of concurrency involved and several variations on each. Dynamic memory and inter-process communication has the same problem. And different compilers treat pointers in subtly different ways that cause
more problems than major differences would have.
It's for this reason that many C and Unix experts have been involved in efforts to create standards (ANSI X3J11 and IEEE P1003, respectively). And AT&T is
gently pushing an upwardly compatible superset of C know as C++ which adds some
of the features now available in Ada. (More specifically, C++ resembles
Simula-67.)
So perhaps in a couple of years we'll be able to do in the C/Unix world what we
can already do in Ada: insulate modules from each other and from the machine
but still be able to tailor the entire system to specific hardware.
Larry @ jpl-vlsi
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