535 } nm_vi_indices;  variable
542 		nm_vi_indices.index[i] = i;  in nm_os_vi_init_index()
543 	nm_vi_indices.active = 0;  in nm_os_vi_init_index()
544 	mtx_init(&nm_vi_indices.lock, "nm_vi_indices_lock", NULL, MTX_DEF);  in nm_os_vi_init_index()
553 	mtx_lock(&nm_vi_indices.lock);  in nm_vi_get_index()
554 	ret = nm_vi_indices.active == NM_VI_MAX ? -1 :  in nm_vi_get_index()
555 		nm_vi_indices.index[nm_vi_indices.active++];  in nm_vi_get_index()
556 	mtx_unlock(&nm_vi_indices.lock);  in nm_vi_get_index()
565 	mtx_lock(&nm_vi_indices.lock);  in nm_vi_free_index()
566 	lim = nm_vi_indices.active;  in nm_vi_free_index()
568 		if (nm_vi_indices.index[i] == val) {  in nm_vi_free_index()
570 			int tmp = nm_vi_indices.index[lim-1];  in nm_vi_free_index()
571 			nm_vi_indices.index[lim-1] = val;  in nm_vi_free_index()
572 			nm_vi_indices.index[i] = tmp;  in nm_vi_free_index()
573 			nm_vi_indices.active--;  in nm_vi_free_index()
577 	if (lim == nm_vi_indices.active)  in nm_vi_free_index()
579 	mtx_unlock(&nm_vi_indices.lock);  in nm_vi_free_index()