Function rctl_rule_remove

freebsd/kern/kern_rctl.c:1435–1474

* Remove all rules that match the filter. */

 * Remove all rules that match the filter.
 */
int
rctl_rule_remove(struct rctl_rule *filter)
{
	struct proc *p;
	int found = 0;

	ASSERT_RACCT_ENABLED();

	if (filter->rr_subject_type == RCTL_SUBJECT_TYPE_PROCESS &&
	    filter->rr_subject.rs_proc != NULL) {
		p = filter->rr_subject.rs_proc;
		RACCT_LOCK();
		found = rctl_racct_remove_rules(p->p_racct, filter);
		RACCT_UNLOCK();
		if (found)
			return (0);
		return (ESRCH);
	}

	loginclass_racct_foreach(rctl_rule_remove_callback,
	    rctl_rule_pre_callback, rctl_rule_post_callback,
	    filter, (void *)&found);
	ui_racct_foreach(rctl_rule_remove_callback,
	    rctl_rule_pre_callback, rctl_rule_post_callback,
	    filter, (void *)&found);
	prison_racct_foreach(rctl_rule_remove_callback,
	    rctl_rule_pre_callback, rctl_rule_post_callback,
	    filter, (void *)&found);

	sx_assert(&allproc_lock, SA_LOCKED);
	RACCT_LOCK();
	FOREACH_PROC_IN_SYSTEM(p) {
		found += rctl_racct_remove_rules(p->p_racct, filter);
	}
	RACCT_UNLOCK();

	if (found)
		return (0);
	return (ESRCH);
}

/*
 * Appends a rule to the sbuf.