Function thread_lock_set

freebsd/kern/kern_mutex.c:990–1000

}

void
thread_lock_set(struct thread *td, struct mtx *new)
{
	struct mtx *lock;

	mtx_assert(new, MA_OWNED);
	lock = td->td_lock;
	mtx_assert(lock, MA_OWNED);
	td->td_lock = new;
	mtx_unlock_spin(lock);
}

/*
 * __mtx_unlock_sleep: the tougher part of releasing an MTX_DEF lock.