-pthread_cond_t kthread_cond = PTHREAD_COND_INITIALIZER;
-pthread_mutex_t kthread_lock = PTHREAD_MUTEX_INITIALIZER;
-pthread_key_t kthread_key;
-int kthread_nr = 0;
-
-static void
-thread_init(void)
-{
- kthread_t *kt;
-
- VERIFY3S(pthread_key_create(&kthread_key, NULL), ==, 0);
-
- /* Create entry for primary kthread */
- kt = umem_zalloc(sizeof (kthread_t), UMEM_NOFAIL);
- kt->t_tid = pthread_self();
- kt->t_func = NULL;
-
- VERIFY3S(pthread_setspecific(kthread_key, kt), ==, 0);
-
- /* Only the main thread should be running at the moment */
- ASSERT3S(kthread_nr, ==, 0);
- kthread_nr = 1;
-}
-
-static void
-thread_fini(void)
-{
- kthread_t *kt = curthread;
-
- ASSERT(pthread_equal(kt->t_tid, pthread_self()));
- ASSERT3P(kt->t_func, ==, NULL);
-
- umem_free(kt, sizeof (kthread_t));
-
- /* Wait for all threads to exit via thread_exit() */
- VERIFY3S(pthread_mutex_lock(&kthread_lock), ==, 0);
-
- kthread_nr--; /* Main thread is exiting */
-
- while (kthread_nr > 0)
- VERIFY3S(pthread_cond_wait(&kthread_cond, &kthread_lock), ==,
- 0);
-
- ASSERT3S(kthread_nr, ==, 0);
- VERIFY3S(pthread_mutex_unlock(&kthread_lock), ==, 0);
-
- VERIFY3S(pthread_key_delete(kthread_key), ==, 0);
-}
-
-kthread_t *
-zk_thread_current(void)
-{
- kthread_t *kt = pthread_getspecific(kthread_key);
-
- ASSERT3P(kt, !=, NULL);
-
- return (kt);
-}
-
-void *
-zk_thread_helper(void *arg)
-{
- kthread_t *kt = (kthread_t *) arg;
-
- VERIFY3S(pthread_setspecific(kthread_key, kt), ==, 0);
-
- VERIFY3S(pthread_mutex_lock(&kthread_lock), ==, 0);
- kthread_nr++;
- VERIFY3S(pthread_mutex_unlock(&kthread_lock), ==, 0);
-
- kt->t_tid = pthread_self();
- ((thread_func_arg_t) kt->t_func)(kt->t_arg);
-
- /* Unreachable, thread must exit with thread_exit() */
- abort();
-
- return (NULL);
-}
-