Function _cpuset_setthread

freebsd/kern/kern_cpuset.c:1467–1497

* Apply an anonymous mask or a domain to a single thread. */

 * Apply an anonymous mask or a domain to a single thread.
 */
static int
_cpuset_setthread(lwpid_t id, cpuset_t *mask, struct domainset *domain)
{
	struct setlist cpusets;
	struct domainlist domainlist;
	struct cpuset *nset;
	struct cpuset *set;
	struct thread *td;
	struct proc *p;
	int error;

	cpuset_freelist_init(&cpusets, 1);
	domainset_freelist_init(&domainlist, domain != NULL);
	error = cpuset_which(CPU_WHICH_TID, id, &p, &td, &set);
	if (error)
		goto out;
	set = NULL;
	thread_lock(td);
	error = cpuset_shadow(td->td_cpuset, &nset, mask, domain,
	    &cpusets, &domainlist);
	if (error == 0)
		set = cpuset_update_thread(td, nset);
	thread_unlock(td);
	PROC_UNLOCK(p);
	if (set)
		cpuset_rel(set);
out:
	cpuset_freelist_free(&cpusets);
	domainset_freelist_free(&domainlist);
	return (error);
}

/*
 * Apply an anonymous mask to a single thread.