Integrate perlio:
Jarkko Hietaniemi [Fri, 11 Jan 2002 20:07:35 +0000 (20:07 +0000)]
[ 14192]
A mostly-stable version of "new" Win32 signal/kill support.

p4raw-link: @14192 on //depot/perlio: 1018e26f1c13277648057b08a7b77db44ebc46fe

p4raw-id: //depot/perl@14195


Trivial merge