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author | Micael Karlberg <[email protected]> | 2011-03-17 12:19:57 +0100 |
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committer | Micael Karlberg <[email protected]> | 2011-03-17 12:19:57 +0100 |
commit | 6b1d1ab0a27e9ed08a626e18319beb91d0a0d5ce (patch) | |
tree | 82e54daec07390bb4cad8b279e0e8d1fd0170b78 /lib/dialyzer/test/race_tests_SUITE_data/src/ets_insert_control_flow4.erl | |
parent | 4f42486c2f94860c1aa8152562760b6a2aa7c5cb (diff) | |
parent | f861b4fdb3fd39e35f2951c53a73b30a98c7f973 (diff) | |
download | otp-6b1d1ab0a27e9ed08a626e18319beb91d0a0d5ce.tar.gz otp-6b1d1ab0a27e9ed08a626e18319beb91d0a0d5ce.tar.bz2 otp-6b1d1ab0a27e9ed08a626e18319beb91d0a0d5ce.zip |
Merge branch 'dev' into bmk/inets/ftp/missing_spec_causes_dialyxer_problems/OTP-9114
Also fixed a bunch of "end-years" (was 2010 but should have been 2011,
which the commit hook not happy with).
Diffstat (limited to 'lib/dialyzer/test/race_tests_SUITE_data/src/ets_insert_control_flow4.erl')
-rw-r--r-- | lib/dialyzer/test/race_tests_SUITE_data/src/ets_insert_control_flow4.erl | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/lib/dialyzer/test/race_tests_SUITE_data/src/ets_insert_control_flow4.erl b/lib/dialyzer/test/race_tests_SUITE_data/src/ets_insert_control_flow4.erl new file mode 100644 index 0000000000..caa3804614 --- /dev/null +++ b/lib/dialyzer/test/race_tests_SUITE_data/src/ets_insert_control_flow4.erl @@ -0,0 +1,31 @@ +%% This tests the presence of possible races due to an ets:lookup/ets:insert +%% combination. It takes into account control flow that might exist. + +-module(ets_insert_control_flow4). +-export([start/1]). + +start(User) -> + Table = ets:new(table, [public]), + mod:process(Table), + [{_, N}] = + case User of + root -> ets:lookup(Table, pass); + user -> ets:lookup(Table, pass); + _Other -> [{undefined, -1}] + end, + case N of + -1 -> io:format("\nUnknown User\n", []); + 0 -> + case User of + root -> + ets:insert(Table, {pass, Pass = generate_password(N) ++ generate_password(N+1)}); + user -> + ets:insert(Table, {pass, Pass = generate_password(N)}) + end, + io:format("\nYour new pass is ~w\n", [Pass]); + P -> + io:format("\nYour pass is ~w\n", [P]) + end. + +generate_password(N) -> + lists:map(fun (_) -> random:uniform(90)+$\s+1 end, lists:seq(1,N)). |