[TUHS] Oldest Unix source code still in modern systems
dave at horsfall.org
Tue May 22 17:35:10 AEST 2012
On Mon, 21 May 2012, Michael Davidson wrote:
> * you are not expected to understand this.
Line 2238, of course :-) For any youngsters here, that code is *subtle*.
Vale, both DMR and Dr John Lions (my lecturer at UNSW).
> That would certainly still be appropriate for the Linux context switch
> code which, last time I looked, was a horrible mess of gcc "asm"
> constructs glued together with C preprocessor macros.
Typical Penguin/OS. I am in stitches.
> The comment that I miss most, however, is:
> * printf should not be used for chit chat
My favourite too :-) We ended up implementing the call via the TTY
interface, so that our 11/40 would not be brought to her knees.
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