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%% This tests the presence of possible races due to a whereis/register
%% combination. It takes into account control flow that might exist.
-module(whereis_control_flow3).
-export([start/3]).
start(AnAtom, Fun, FunName) ->
Pid =
case FunName of
master ->
case whereis(AnAtom) of
undefined ->
spawn(Fun);
P when is_pid(P) ->
P
end;
slave ->
case whereis(AnAtom) of
undefined ->
spawn(Fun);
P when is_pid(P) ->
P
end
end,
register(AnAtom, Pid).
|
