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bin/40015: csh uses non-SA_SIGINFO sigactions

>Number:         40015
>Category:       bin
>Synopsis:       csh uses non-SA_SIGINFO sigactions
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    bin-bug-people
>State:          open
>Class:          change-request
>Submitter-Id:   net
>Arrival-Date:   Mon Nov 24 12:55:00 +0000 2008
>Originator:     Martin Husemann
>Release:        NetBSD 4.99.73
The NetBSD Foundation, Inc.
System: NetBSD 4.99.73 NetBSD 4.99.73 (PORTER) #81: 
Wed Oct 29 17:38:40 CET 2008 
Architecture: i386
Machine: i386

csh from base, as well as tcsh from pkgsrc, both trigger the compat shim in
our libc that issues a __sigaction_sigtramp() call with version = 1 due
to SA_SIGINFO not being set in the sigaction.

Use a kernel not providing the v1 trampoline, watch it print
"invalid version 1" when running (t)csh.


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