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-rw-r--r--lib/kernel/src/global.erl20
-rw-r--r--lib/kernel/test/file_name_SUITE.erl6
-rw-r--r--lib/kernel/test/gen_tcp_echo_SUITE.erl9
-rw-r--r--lib/kernel/test/global_SUITE.erl2
-rw-r--r--lib/kernel/test/inet_SUITE.erl3
-rw-r--r--lib/kernel/test/inet_res_SUITE.erl2
-rw-r--r--lib/kernel/test/zlib_SUITE.erl6
7 files changed, 17 insertions, 31 deletions
diff --git a/lib/kernel/src/global.erl b/lib/kernel/src/global.erl
index dcabeb5e49..0c73ead7c5 100644
--- a/lib/kernel/src/global.erl
+++ b/lib/kernel/src/global.erl
@@ -2068,23 +2068,17 @@ get_known() ->
gen_server:call(global_name_server, get_known, infinity).
random_sleep(Times) ->
- case (Times rem 10) of
- 0 -> erase(random_seed);
- _ -> ok
- end,
- case get(random_seed) of
- undefined ->
- _ = random:seed(erlang:phash2([erlang:node()]),
- erlang:monotonic_time(),
- erlang:unique_integer()),
- ok;
- _ -> ok
- end,
+ _ = case Times rem 10 of
+ 0 ->
+ _ = rand:seed(exsplus);
+ _ ->
+ ok
+ end,
%% First time 1/4 seconds, then doubling each time up to 8 seconds max.
Tmax = if Times > 5 -> 8000;
true -> ((1 bsl Times) * 1000) div 8
end,
- T = random:uniform(Tmax),
+ T = rand:uniform(Tmax),
?trace({random_sleep, {me,self()}, {times,Times}, {t,T}, {tmax,Tmax}}),
receive after T -> ok end.
diff --git a/lib/kernel/test/file_name_SUITE.erl b/lib/kernel/test/file_name_SUITE.erl
index 32006d893e..4c422c9e0a 100644
--- a/lib/kernel/test/file_name_SUITE.erl
+++ b/lib/kernel/test/file_name_SUITE.erl
@@ -159,7 +159,7 @@ normalize(suite) ->
normalize(doc) ->
["Check that filename normalization works"];
normalize(Config) when is_list(Config) ->
- random:seed({1290,431421,830412}),
+ rand:seed(exsplus, {1290,431421,830412}),
try
?line UniMode = file:native_name_encoding() =/= latin1,
if
@@ -845,7 +845,7 @@ conv(L) ->
rand_comp_decomp(Max) ->
- N = random:uniform(Max),
+ N = rand:uniform(Max),
L = [ rand_decomp() || _ <- lists:seq(1,N) ],
LC = [ A || {A,_} <- L],
LD = lists:flatten([B || {_,B} <- L]),
@@ -855,7 +855,7 @@ rand_comp_decomp(Max) ->
rand_decomp() ->
BT = bigtup(),
SZ = tuple_size(BT),
- element(random:uniform(SZ),BT).
+ element(rand:uniform(SZ),BT).
bigtup() ->
{{192,[65,768]},
{200,[69,768]},
diff --git a/lib/kernel/test/gen_tcp_echo_SUITE.erl b/lib/kernel/test/gen_tcp_echo_SUITE.erl
index 6dcb21758b..b5ed16ec34 100644
--- a/lib/kernel/test/gen_tcp_echo_SUITE.erl
+++ b/lib/kernel/test/gen_tcp_echo_SUITE.erl
@@ -442,14 +442,7 @@ random_char(Chars) ->
lists:nth(uniform(length(Chars)), Chars).
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).
put_int32(X, big, List) ->
[ (X bsr 24) band 16#ff,
diff --git a/lib/kernel/test/global_SUITE.erl b/lib/kernel/test/global_SUITE.erl
index 73ee86eba4..c0e24e17fe 100644
--- a/lib/kernel/test/global_SUITE.erl
+++ b/lib/kernel/test/global_SUITE.erl
@@ -2931,7 +2931,7 @@ sync_until(LogFile) ->
timer:sleep(Time).
shuffle(L) ->
- [E || {_, E} <- lists:keysort(1, [{random:uniform(), E} || E <- L])].
+ [E || {_, E} <- lists:keysort(1, [{rand:uniform(), E} || E <- L])].
sync_0(suite) -> [];
sync_0(doc) ->
diff --git a/lib/kernel/test/inet_SUITE.erl b/lib/kernel/test/inet_SUITE.erl
index 5ba06bb032..d64a52fc2c 100644
--- a/lib/kernel/test/inet_SUITE.erl
+++ b/lib/kernel/test/inet_SUITE.erl
@@ -868,7 +868,6 @@ gethostnative_control_2(Seq, Interval, Delay, Cnt, N, Hosts) ->
?line Lookupers =
[spawn_link(
fun () ->
- random:seed(),
lookup_loop(Hosts, Delay, Tag, Parent, Cnt, Hosts)
end)
|| _ <- lists:seq(1, N)],
@@ -929,7 +928,7 @@ lookup_loop([H|Hs], Delay, Tag, Parent, Cnt, Hosts) ->
Parent ! {Tag,Error}
end,
receive
- after random:uniform(Delay) ->
+ after rand:uniform(Delay) ->
lookup_loop(Hs, Delay, Tag, Parent, Cnt-1, Hosts)
end.
diff --git a/lib/kernel/test/inet_res_SUITE.erl b/lib/kernel/test/inet_res_SUITE.erl
index ace4ccb8bd..6e575c2f95 100644
--- a/lib/kernel/test/inet_res_SUITE.erl
+++ b/lib/kernel/test/inet_res_SUITE.erl
@@ -120,7 +120,7 @@ ns_init(ZoneDir, PrivDir, DataDir) ->
{unix,_} ->
PortNum = case {os:type(),os:version()} of
{{unix,solaris},{M,V,_}} when M =< 5, V < 10 ->
- 11895 + random:uniform(100);
+ 11895 + rand:uniform(100);
_ ->
{ok,S} = gen_udp:open(0, [{reuseaddr,true}]),
{ok,PNum} = inet:port(S),
diff --git a/lib/kernel/test/zlib_SUITE.erl b/lib/kernel/test/zlib_SUITE.erl
index 6aaa024a82..77fdabe73c 100644
--- a/lib/kernel/test/zlib_SUITE.erl
+++ b/lib/kernel/test/zlib_SUITE.erl
@@ -912,7 +912,7 @@ smp(Config) ->
FnAList = lists:map(fun(F) -> {F,?MODULE:F({get_arg,Config})}
end, Funcs),
- Pids = [spawn_link(?MODULE, worker, [random:uniform(9999),
+ Pids = [spawn_link(?MODULE, worker, [rand:uniform(9999),
list_to_tuple(FnAList),
self()])
|| _ <- lists:seq(1,NumOfProcs)],
@@ -925,7 +925,7 @@ smp(Config) ->
worker(Seed, FnATpl, Parent) ->
io:format("smp worker ~p, seed=~p~n",[self(),Seed]),
- random:seed(Seed,Seed,Seed),
+ rand:seed(exsplus, {Seed,Seed,Seed}),
worker_loop(100, FnATpl),
Parent ! self().
@@ -933,7 +933,7 @@ worker_loop(0, _FnATpl) ->
large_deflate_do(), % the time consuming one as finale
ok;
worker_loop(N, FnATpl) ->
- {F,A} = element(random:uniform(size(FnATpl)),FnATpl),
+ {F,A} = element(rand:uniform(tuple_size(FnATpl)), FnATpl),
?MODULE:F(A),
worker_loop(N-1, FnATpl).