Function thread_wait

freebsd/kern/kern_thread.c:961–980

* Do any thread specific cleanups that may be needed in wait() * called with Giant, proc and schedlock not held. */

 * called with Giant, proc and schedlock not held.
 */
void
thread_wait(struct proc *p)
{
	struct thread *td;

	mtx_assert(&Giant, MA_NOTOWNED);
	KASSERT(p->p_numthreads == 1, ("multiple threads in thread_wait()"));
	KASSERT(p->p_exitthreads == 0, ("p_exitthreads leaking"));
	td = FIRST_THREAD_IN_PROC(p);
	/* Lock the last thread so we spin until it exits cpu_throw(). */
	thread_lock(td);
	thread_unlock(td);
	lock_profile_thread_exit(td);
	cpuset_rel(td->td_cpuset);
	td->td_cpuset = NULL;
	cpu_thread_clean(td);
	thread_cow_free(td);
	callout_drain(&td->td_slpcallout);
	thread_reap();	/* check for zombie threads etc. */
}

/*
 * Link a thread to a process.