Function sigqueue_move_set

freebsd/kern/kern_sig.c:470–509

}

static void
sigqueue_move_set(sigqueue_t *src, sigqueue_t *dst, const sigset_t *set)
{
	sigset_t tmp;
	struct proc *p1, *p2;
	ksiginfo_t *ksi, *next;

	KASSERT(src->sq_flags & SQ_INIT, ("src sigqueue not inited"));
	KASSERT(dst->sq_flags & SQ_INIT, ("dst sigqueue not inited"));
	p1 = src->sq_proc;
	p2 = dst->sq_proc;
	/* Move siginfo to target list */
	TAILQ_FOREACH_SAFE(ksi, &src->sq_list, ksi_link, next) {
		if (SIGISMEMBER(*set, ksi->ksi_signo)) {
			TAILQ_REMOVE(&src->sq_list, ksi, ksi_link);
			if (p1 != NULL)
				p1->p_pendingcnt--;
			TAILQ_INSERT_TAIL(&dst->sq_list, ksi, ksi_link);
			ksi->ksi_sigq = dst;
			if (p2 != NULL)
				p2->p_pendingcnt++;
		}
	}

	/* Move pending bits to target list */
	tmp = src->sq_kill;
	SIGSETAND(tmp, *set);
	SIGSETOR(dst->sq_kill, tmp);
	SIGSETNAND(src->sq_kill, tmp);

	tmp = src->sq_ptrace;
	SIGSETAND(tmp, *set);
	SIGSETOR(dst->sq_ptrace, tmp);
	SIGSETNAND(src->sq_ptrace, tmp);

	tmp = src->sq_signals;
	SIGSETAND(tmp, *set);
	SIGSETOR(dst->sq_signals, tmp);
	SIGSETNAND(src->sq_signals, tmp);
}

#if 0
static void