DynamicSupervisor.count_children

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Link to this function

count_children(supervisor)

View Source (since 1.6.0)

Specs

count_children(Supervisor.supervisor()) :: %{
  specs: non_neg_integer(),
  active: non_neg_integer(),
  supervisors: non_neg_integer(),
  workers: non_neg_integer()
}

Returns a map containing count values for the supervisor.

The map contains the following keys:

  • :specs - the number of children processes

  • :active - the count of all actively running child processes managed by this supervisor

  • :supervisors - the count of all supervisors whether or not the child process is still alive

  • :workers - the count of all workers, whether or not the child process is still alive