The attached patch introduces %POSIX::SIGRT which gives access to the POSIX real time signals SIGRTMIN...SIGRTMAX, with the right POSIXly moves. It also plugs a hole the size of a coredump I accidentally run into while fooling around with the patch, try
perl -MPOSIX -e 'sigaction(123,0)' Merijn, note that Configure is changed (and some bits of its logic copied over to handy.h)
SIGRT.pat.v4.gz
Description: GNU Zip compressed data
