19 Dec
2015
19 Dec
'15
9:10 p.m.
From: Random832
Non-existent syscalls map to nosys, which sets u_error
to 100 ... which
causes the process to be sent a signal SIGSYS.
Oh, right, I'd forgotten that.
So, getting back to v6tar, I'll bet that if you try and use it to _read_ a TAR
file file under V6 (i.e. write files into the V6 filesystem), it will bomb out
(because of the call to utime).
Noel
19 Dec
19 Dec
9:22 p.m.
New subject: ed.c on Unix v5
Noel Chiappa writes:
So, getting back to v6tar, I'll bet that if you
try and use it
to _read_ a TAR file file under V6 (i.e. write files into the
V6 filesystem), it will bomb out (because of the call to
utime).
Not quite. On a stock V6 kernel, system call 30 (smdate/utime)
maps to nullsys rather than nosys.
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Random832