sigaddqa
sigaddqa(p, t, sqp);
sigaddqa(p, NULL, sigev);
sigaddqa(curproc, curthread, sqp);
sigaddqa(p, NULL, sqp);
sigaddqa(rp, NULL, sqp);
sigaddqa(pp, NULL, sqp);
sigaddqa(p, t, sigqp);
sigaddqa(p, curthread, sqp);
sigaddqa(p, NULL, it->it_sigq);
sigaddqa(p, curthread, sqp);
extern void sigaddqa(proc_t *, kthread_t *, sigqueue_t *);
sigaddqa(p, t, sqp);
sigaddqa(p, t, sqp);
sigaddqa(p, curthread, sqp);