Fri Apr 5 17:43:41 1996 Miles Bader <miles@gnu.ai.mit.edu>
* sysdeps/mach/hurd/i386/sigreturn.c (__sigreturn): Store
MACH_PORT_DEAD in the thread reply-port variable before destroying
the signal handler's reply port to avoid infinite recursion.
* sysdeps/mach/hurd/mig-reply.c (__mig_dealloc_reply_port): Only
attempt to destroy PORT if it's a valid port name.