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Wrap `os:type` for cpu:sup call

This commit is contained in:
GilbertWong 2019-08-01 10:53:06 +08:00 committed by tigercl
parent 439c481e35
commit 6e0a269ff6
1 changed files with 11 additions and 13 deletions
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24
src/emqx_vm.erl
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@ -451,26 +451,24 @@ mapping([{Key, Value}|Entries], Acc) ->
mapping(Entries, [{Key, Value}|Acc]).
avg1() ->
case cpu_sup:avg1() of
V when is_integer(V) -> V;
{error, _Reason} -> 0.00
end.
compat_windows(fun cpu_sup:avg1/0).
avg5() ->
case cpu_sup:avg5() of
V when is_integer(V) -> V;
{error, _Reason} -> 0.00
end.
compat_windows(fun cpu_sup:avg5/0).
avg15() ->
case cpu_sup:avg15() of
V when is_integer(V) -> V;
{error, _Reason} -> 0.00
end.
compat_windows(fun cpu_sup:avg15/0).
cpu_util() ->
compat_windows(fun cpu_sup:util/0).
compat_windows(Fun) ->
case os:type() of
{win32, nt} -> 0;
_Other -> cpu_sup:util()
_Other -> handle_error(Fun())
end.
handle_error(Value) when is_number(Value) ->
Value;
handle_error({error, _Reason}) ->
0.