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(* libguestfs OCaml bindings
* Copyright (C) 2010 Red Hat Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*)
open Unix
(* Start a background thread which does lots of allocation and
* GC activity.
*)
let thread = Thread.create (
fun () ->
while true do
Gc.compact ();
ignore (Array.init 1000 (fun i -> String.create (8*i)));
Thread.delay 0.001
done
) ()
let () =
let g = Guestfs.create () in
let fd = openfile "test.img" [O_WRONLY;O_CREAT;O_NOCTTY;O_TRUNC] 0o666 in
ftruncate fd (500 * 1024 * 1024);
close fd;
(* Copy these strings so they're located on the heap and
* subject to garbage collection.
*)
let s = String.copy "test.img" in
Guestfs.add_drive_ro g s;
Guestfs.launch g;
let dev = String.copy "/dev/sda" in
Guestfs.pvcreate g dev;
let vg = String.copy "VG" in
Guestfs.vgcreate g vg [|dev|];
let s = String.copy "LV1" in
Guestfs.lvcreate g s vg 200;
let s = String.copy "LV2" in
Guestfs.lvcreate g s vg 200;
let lvs = Guestfs.lvs g in
if lvs <> [|"/dev/VG/LV1"; "/dev/VG/LV2"|] then
failwith "Guestfs.lvs returned incorrect result";
let s = String.copy "ext3" in
let lv = String.copy "/dev/VG/LV1" in
Guestfs.mkfs g s lv;
let s = String.copy "/" in
Guestfs.mount_options g "" lv s;
let s = String.copy "/test" in
Guestfs.touch g s;
Guestfs.umount_all g;
Guestfs.sync g;
Guestfs.close g;
unlink "test.img";
Gc.compact ();
exit 0
|
