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https://github.com/libguestfs/libguestfs.git
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81093d5359
Link: https://discuss.ocaml.org/t/ocaml-5-forcing-objects-to-be-collected-and-finalized/12492/2
46 lines
1.5 KiB
OCaml
46 lines
1.5 KiB
OCaml
(* libguestfs OCaml tests
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* Copyright (C) 2009-2023 Red Hat Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*)
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let () =
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(* In OCaml 5, Gc.full_major does not actually collect the handle
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* for unknown reasons. Skip the test until we can resolve this.
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* https://discuss.ocaml.org/t/ocaml-5-forcing-objects-to-be-collected-and-finalized/12492/2
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*)
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if Sys.ocaml_version >= "5" then
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exit 77
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let close_invoked = ref 0
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let close _ _ _ _ =
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incr close_invoked
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let () =
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let g = new Guestfs.guestfs () in
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ignore (g#set_event_callback close [Guestfs.EVENT_CLOSE]);
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assert (!close_invoked = 0)
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(* Allow the 'g' handle to go out of scope here, to ensure there is no
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* reference held on the stack.
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*)
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(* This should cause the GC to close the handle. *)
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let () = Gc.full_major ()
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let () = assert (!close_invoked = 1)
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let () = Gc.compact ()
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