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%% This tests that the race condition detection between whereis/register
%% is robust w.r.t. having multiple calls in separate functions.
-module(whereis_diff_functions2_twice).
-export([start/2]).
start(AnAtom, Fun) ->
case whereis(AnAtom) of
undefined ->
Pid1 = spawn(Fun),
race(AnAtom, Pid1),
case whereis(AnAtom) of
undefined ->
Pid2 = spawn(Fun),
race_again(AnAtom, Pid2);
P when is_pid(P) ->
true
end;
P when is_pid(P) ->
true
end.
race(Atom, Pid) ->
register(Atom, Pid).
race_again(Atom, Pid) ->
register(Atom, Pid).
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