Util_thread (opentelemetry-client.Opentelemetry_client_sync.Util

val start_bg_thread : (unit -> unit) -> Thread.t

start a thread in the background, running f(), blocking signals

val setup_ticker_thread : 
  active:Opentelemetry_util.Aswitch.t ->
  sleep_ms:int ->
  tick:(unit -> unit) ->
  unit ->
  Thread.t

thread that calls tick() regularly, to help enforce timeouts