CTL_P1003_1B_SIGQUEUE_MAX
mib[1] = CTL_P1003_1B_SIGQUEUE_MAX;
p31b_setcfg(CTL_P1003_1B_SIGQUEUE_MAX, max_pending_per_proc);
P1B_SYSCTL(CTL_P1003_1B_SIGQUEUE_MAX, sigqueue_max);