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Acquire create_lock in self_destruct 

We need to acquire the lock for updating the state.
This commit is contained in:
Reynir Björnsson 2020-12-01 12:09:33 +01:00
parent 472e42717e
commit 8e2b7cce46
1 changed files with 7 additions and 5 deletions
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12
daemon/albatrossd.ml
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@ -175,11 +175,13 @@ let jump _ systemd influx tmpdir dbdir retries enable_stats =
let self_destruct_mutex = Lwt_mutex.create () in
let self_destruct () =
Lwt_mutex.with_lock self_destruct_mutex (fun () ->
(let state', tasks = Vmm_vmmd.killall !state Lwt.task in
state := state';
Lwt_list.iter_s (fun exit_code ->
exit_code >>= fun (_ : process_exit) -> Lwt.return_unit)
tasks) >>= fun () ->
Lwt_mutex.with_lock create_lock (fun () ->
let state', tasks = Vmm_vmmd.killall !state Lwt.task in
state := state';
Lwt.return tasks) >>= fun tasks ->
Lwt_list.iter_s (fun exit_code ->
exit_code >>= fun (_ : process_exit) -> Lwt.return_unit)
tasks >>= fun () ->
Vmm_lwt.safe_close ss)
in
Sys.(set_signal sigterm