From 25ab719cfaf42d196287fec2171bf3eefb845b62 Mon Sep 17 00:00:00 2001 From: Hans Bolinder Date: Wed, 30 Apr 2014 09:11:34 +0200 Subject: dialyzer: Introduce module local suppression of warnings The -dialyzer() attribute can be used for suppressing warnings in a module by specifying functions or warning options. It can also be used for requesting warnings in a module. --- .../src/ets_insert_args1_suppressed.erl | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 lib/dialyzer/test/race_SUITE_data/src/ets_insert_args1_suppressed.erl (limited to 'lib/dialyzer/test/race_SUITE_data') diff --git a/lib/dialyzer/test/race_SUITE_data/src/ets_insert_args1_suppressed.erl b/lib/dialyzer/test/race_SUITE_data/src/ets_insert_args1_suppressed.erl new file mode 100644 index 0000000000..5134cc6f0b --- /dev/null +++ b/lib/dialyzer/test/race_SUITE_data/src/ets_insert_args1_suppressed.erl @@ -0,0 +1,19 @@ +%% This tests the presence of possible races due to an ets:lookup/ets:insert +%% combination. It takes into account the argument types of the calls. + +-module(ets_insert_args1_suppressed). +-export([start/0]). + +-dialyzer({nowarn_function,start/0}). + +start() -> + F = fun(T) -> [{_, N}] = ets:lookup(T, counter), + ets:insert(T, [{counter, N+1}]) + end, + io:format("Created ~w\n", [ets:new(foo, [named_table, public])]), + ets:insert(foo, {counter, 0}), + io:format("Inserted ~w\n", [{counter, 0}]), + F(foo), + io:format("Update complete\n", []), + ObjectList = ets:lookup(foo, counter), + io:format("Counter: ~w\n", [ObjectList]). -- cgit v1.2.3