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(* TEST
include runtime_events
include unix
set OCAML_RUNTIME_EVENTS_PRESERVE = "1"
* libunix
** bytecode
** native *)
(* this tests the preservation of ring buffers after termination *)
let () =
(* start runtime_events now to avoid a race *)
let parent_cwd = Sys.getcwd () in
let child_pid = Unix.fork () in
if child_pid == 0 then begin
(* we are in the child, so start Runtime_events *)
Runtime_events.start ();
(* this creates a ring buffer. Now exit. *)
end else begin
(* now wait for our child to finish *)
Unix.wait () |> ignore;
(* child has finished. Is the file there? *)
let cursor =
Runtime_events.create_cursor (Some (parent_cwd, child_pid)) in
Runtime_events.free_cursor cursor;
let ring_file =
Filename.concat parent_cwd (string_of_int child_pid ^ ".events") in
Unix.unlink ring_file
end
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