Function cpuset_testshadow

freebsd/kern/kern_cpuset.c:965–989

}

static int
cpuset_testshadow(struct cpuset *set, const cpuset_t *mask,
    const struct domainset *domain)
{
	struct cpuset *parent;
	struct domainset *dset;

	parent = cpuset_getbase(set);
	/*
	 * If we are restricting a cpu mask it must be a subset of the
	 * parent or invalid CPUs have been specified.
	 */
	if (mask != NULL && !CPU_SUBSET(&parent->cs_mask, mask))
		return (EINVAL);

	/*
	 * If we are restricting a domain mask it must be a subset of the
	 * parent or invalid domains have been specified.
	 */
	dset = parent->cs_domain;
	if (domain != NULL && !domainset_valid(dset, domain))
		return (EINVAL);

	return (0);
}

/*
 * Create an anonymous set with the provided mask in the space provided by