patches for UnixWare v2.x pty (misc.c,configure.in)

[Tom Rudnick]

> > i don't understand, why is SA_RESTART is needed?
> 
> On Unixware 2.x grantpt (pty.c) was getting interrupted by SIGCHLD.
> On sysv systems syscalls aren't restarted by default after being 
> interrupted by a signal. It is the default for BSD signal, so it makes
> sense to have it in there.
> 
> -d
> 
what is the status of committing this patch to the tree? Let me 
know what is required of me. :|

The configure.in patch has devolved into adding USE_PIPES to the
*-*-sysv4.2* and *-*-sysv5* sections I'xpect. Tim, comments?

-Tom
-- 
----------------/----------------------------------------------
Tom Rudnick     | USDA Natural Resources Conservation Service
Fort Collins,CO | tom at avatar.itc.nrcs.usda.gov  (970) 295-5427
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