On Mon, 10 Nov 2025 16:54:44 -0000 (UTC), Lew Pitcher wrote:
So it appears that SIG_IGN and SIG_DFL were formalized as part of
7th Edition Unix.
This came out in 1979, according to <
https://wiki.tuhs.org/doku.php?id=systems:7th_edition>. That was
nearly 4 years after the 6th edition <
https://wiki.tuhs.org/doku.php?id=systems:6th_edition>.
What happened in-between? The porting effort to the Interdata 8/32 was
one thing. That would have flushed out a whole bunch of PDP-11-isms
from the source code and APIs.
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* Origin: Dragon's Lair, PyGate NNTP<>Fido Gate (3:633/10)