"Jimmy Dub�n" writes: > OK, I know that this is a another problem, but with the same code, > so if someone is running a Linux machine could you please download > the file http://www.csd.uu.se/~jidu2851/argus/testsignal.tar.gz and > try this one out. Is it again something that is corrupt local? With 3.13p I get either raised PROGRAM_ERROR : Interrupt 10 is reserved or signal_handler_test.ads:34:07: interrupts not supported with restricted runtime (the second with pragma Ravenscar). These are Linux (Slackware 7.1, kernel 2.2.16, libc-2.1.3). I expect I built GNAT from source.