Bug#696757: ecl and SIGNALS

[Petr Salinger]

>  As suggested by Michael Banck on IRC I've been looking at Signals used
> by both parts to see if they e.g. battle over SIGUSR?. However libgc
> seems to use 32+{5,6} as signals on x86 FREEBSD __GLIBC__ at
> least. Petr, Steven: any idea why this is? Are these signals fine for
> kfreebsd glibc (signal.h says only 32,33 are reserved). ecl seems to use
> SIGRTMIN+2 internally which should not be a problem. I failed to see so
> far what signals are used by libgc on linux

glibc uses 32 and 33 normally and 34 for debuging of pthread library.
libgc have to use separate signals, 32+{5,6} satisfies this.

The SIGRTMIN and __SIGRTMIN are different, they used to be 68 and 65.

Petr