pool: Close async handle after joining threads

Signed-off-by: Cole Miller <[email protected]>

src/lib/threadpool.c

@@ -399,6 +399,8 @@ static void pool_cleanup(pool_t *pool)
 		uv_cond_destroy(&ts[i].cond);
 	}
 
+	uv_close((uv_handle_t *)&pi->outq_async, NULL);
+
 	free(pi->threads);
 	uv_mutex_destroy(&pi->mutex);
 	pi->threads_nr = 0;
@@ -599,7 +601,6 @@ void pool_close(pool_t *pool)
 {
 	pool_impl_t *pi = pool->pi;
 
-	uv_close((uv_handle_t *)&pi->outq_async, NULL);
 	uv_mutex_lock(&pi->mutex);
 	pi->exiting = true;
 	uv_mutex_unlock(&pi->mutex);