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-rw-r--r--erts/emulator/test/driver_SUITE.erl27
1 files changed, 5 insertions, 22 deletions
diff --git a/erts/emulator/test/driver_SUITE.erl b/erts/emulator/test/driver_SUITE.erl
index 4211c49848..4fd7b36e6a 100644
--- a/erts/emulator/test/driver_SUITE.erl
+++ b/erts/emulator/test/driver_SUITE.erl
@@ -224,7 +224,7 @@ outputv_errors_1(Term) ->
port_close(Port).
build_iolist(N, Base) when N < 16 ->
- case random:uniform(3) of
+ case rand:uniform(3) of
1 ->
<<Bin:N/binary,_/binary>> = Base,
Bin;
@@ -232,7 +232,7 @@ build_iolist(N, Base) when N < 16 ->
lists:seq(1, N)
end;
build_iolist(N, Base) when N =< byte_size(Base) ->
- case random:uniform(3) of
+ case rand:uniform(3) of
1 ->
<<Bin:N/binary,_/binary>> = Base,
Bin;
@@ -250,7 +250,7 @@ build_iolist(N, Base) when N =< byte_size(Base) ->
end
end;
build_iolist(N0, Base) ->
- Small = random:uniform(15),
+ Small = rand:uniform(15),
Seq = lists:seq(1, Small),
N = N0 - Small,
case N rem 2 of
@@ -1877,10 +1877,7 @@ mseg_alloc_cached_segments() ->
mseg_alloc_cached_segments(mseg_inst_info(0)).
mseg_alloc_cached_segments(MsegAllocInfo) ->
- MemName = case is_halfword_vm() of
- true -> "high memory";
- false -> "all memory"
- end,
+ MemName = "all memory",
?line [{memkind,DrvMem}]
= lists:filter(fun(E) -> case E of
{memkind, [{name, MemName} | _]} -> true;
@@ -1899,13 +1896,6 @@ mseg_inst_info(I) ->
erlang:system_info({allocator,mseg_alloc})),
Value.
-is_halfword_vm() ->
- case {erlang:system_info({wordsize, internal}),
- erlang:system_info({wordsize, external})} of
- {4, 8} -> true;
- {WS, WS} -> false
- end.
-
driver_alloc_sbct() ->
{_, _, _, As} = erlang:system_info(allocator),
case lists:keysearch(driver_alloc, 1, As) of
@@ -2512,14 +2502,7 @@ random_char() ->
uniform(256) - 1.
uniform(N) ->
- case get(random_seed) of
- undefined ->
- {X, Y, Z} = time(),
- random:seed(X, Y, Z);
- _ ->
- ok
- end,
- random:uniform(N).
+ rand:uniform(N).
erl_millisecs() ->
erl_millisecs(erlang:monotonic_time()).