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Diffstat (limited to 'erts/emulator/test/ddll_SUITE.erl')
-rw-r--r--erts/emulator/test/ddll_SUITE.erl1408
1 files changed, 705 insertions, 703 deletions
diff --git a/erts/emulator/test/ddll_SUITE.erl b/erts/emulator/test/ddll_SUITE.erl
index 54791bfa45..6982178827 100644
--- a/erts/emulator/test/ddll_SUITE.erl
+++ b/erts/emulator/test/ddll_SUITE.erl
@@ -33,18 +33,18 @@
-export([all/0, suite/0,
ddll_test/1, errors/1, reference_count/1,
- kill_port/1, dont_kill_port/1]).
+ kill_port/1, dont_kill_port/1]).
-export([unload_on_process_exit/1, delayed_unload_with_ports/1,
- unload_due_to_process_exit/1,
- no_unload_due_to_process_exit/1, no_unload_due_to_process_exit_2/1,
- unload_reload_thingie/1, unload_reload_thingie_2/1,
- unload_reload_thingie_3/1, reload_pending/1, reload_pending_kill/1,
- load_fail_init/1,
- reload_pending_fail_init/1,
- more_error_codes/1, forced_port_killing/1,
- no_trap_exit_and_kill_ports/1,
- monitor_demonitor/1, monitor_demonitor_load/1, new_interface/1,
- lock_driver/1]).
+ unload_due_to_process_exit/1,
+ no_unload_due_to_process_exit/1, no_unload_due_to_process_exit_2/1,
+ unload_reload_thingie/1, unload_reload_thingie_2/1,
+ unload_reload_thingie_3/1, reload_pending/1, reload_pending_kill/1,
+ load_fail_init/1,
+ reload_pending_fail_init/1,
+ more_error_codes/1, forced_port_killing/1,
+ no_trap_exit_and_kill_ports/1,
+ monitor_demonitor/1, monitor_demonitor_load/1, new_interface/1,
+ lock_driver/1]).
% Private exports
-export([echo_loader/2, nice_echo_loader/2 ,properties/1, load_and_unload/1]).
@@ -73,927 +73,929 @@ all() ->
%% Check that the driver is unloaded on process exit
unload_on_process_exit(Config) when is_list(Config) ->
- ?line Path = proplists:get_value(data_dir, Config),
- ?line false = lists:member("echo_drv",element(2,erl_ddll:loaded_drivers())),
+ Path = proplists:get_value(data_dir, Config),
+ false = lists:member("echo_drv",element(2,erl_ddll:loaded_drivers())),
Parent = self(),
- ?line Pid = spawn(fun() ->
- receive go -> ok end,
- erl_ddll:try_load(Path, echo_drv, []),
- Parent ! gone,
- receive go -> ok end,
- erl_ddll:loaded_drivers(),
- exit(banan)
- end),
- ?line Ref = erlang:monitor(process,Pid),
- ?line false = lists:member("echo_drv",element(2,erl_ddll:loaded_drivers())),
+ Pid = spawn(fun() ->
+ receive go -> ok end,
+ erl_ddll:try_load(Path, echo_drv, []),
+ Parent ! gone,
+ receive go -> ok end,
+ erl_ddll:loaded_drivers(),
+ exit(banan)
+ end),
+ Ref = erlang:monitor(process,Pid),
+ false = lists:member("echo_drv",element(2,erl_ddll:loaded_drivers())),
Pid ! go,
- ?line receive
- gone -> ok
+ receive
+ gone -> ok
end,
- ?line true = lists:member("echo_drv",element(2,erl_ddll:loaded_drivers())),
+ true = lists:member("echo_drv",element(2,erl_ddll:loaded_drivers())),
Pid ! go,
- ?line receive
- {'DOWN', Ref, process, Pid, banan} ->
- ok
+ receive
+ {'DOWN', Ref, process, Pid, banan} ->
+ ok
end,
receive after 500 -> ok end,
- ?line false = lists:member("echo_drv",element(2,erl_ddll:loaded_drivers())),
+ false = lists:member("echo_drv",element(2,erl_ddll:loaded_drivers())),
ok.
%% Check that the driver is unloaded when the last port is closed
delayed_unload_with_ports(Config) when is_list(Config) ->
- ?line Path = proplists:get_value(data_dir, Config),
- ?line erl_ddll:try_load(Path, echo_drv, []),
- ?line erl_ddll:try_load(Path, echo_drv, []),
- ?line Port = open_port({spawn, echo_drv}, [eof]),
- ?line 1 = erl_ddll:info(echo_drv, port_count),
- ?line Port2 = open_port({spawn, echo_drv}, [eof]),
- ?line 2 = erl_ddll:info(echo_drv, port_count),
- ?line {ok,pending_process} = erl_ddll:try_unload(echo_drv,[{monitor, pending_driver}]),
- ?line {ok,pending_driver,Ref} = erl_ddll:try_unload(echo_drv,[{monitor, pending_driver}]),
- ?line ok = receive _ -> false after 0 -> ok end,
- ?line Port ! {self(), close},
- ?line ok = receive {Port,closed} -> ok after 1000 -> false end,
- ?line 1 = erl_ddll:info(echo_drv, port_count),
- ?line Port2 ! {self(), close},
- ?line ok = receive {Port2,closed} -> ok after 1000 -> false end,
- ?line ok = receive {'DOWN', Ref, driver, echo_drv, unloaded} -> ok after 1000 -> false end,
+ Path = proplists:get_value(data_dir, Config),
+ erl_ddll:try_load(Path, echo_drv, []),
+ erl_ddll:try_load(Path, echo_drv, []),
+ Port = open_port({spawn, echo_drv}, [eof]),
+ 1 = erl_ddll:info(echo_drv, port_count),
+ Port2 = open_port({spawn, echo_drv}, [eof]),
+ 2 = erl_ddll:info(echo_drv, port_count),
+ {ok,pending_process} = erl_ddll:try_unload(echo_drv,[{monitor, pending_driver}]),
+ {ok,pending_driver,Ref} = erl_ddll:try_unload(echo_drv,[{monitor, pending_driver}]),
+ ok = receive _ -> false after 0 -> ok end,
+ Port ! {self(), close},
+ ok = receive {Port,closed} -> ok after 1000 -> false end,
+ 1 = erl_ddll:info(echo_drv, port_count),
+ Port2 ! {self(), close},
+ ok = receive {Port2,closed} -> ok after 1000 -> false end,
+ ok = receive {'DOWN', Ref, driver, echo_drv, unloaded} -> ok after 1000 -> false end,
ok.
%% Check that the driver with ports is unloaded on process exit
unload_due_to_process_exit(Config) when is_list(Config) ->
- ?line Path = proplists:get_value(data_dir, Config),
- ?line Parent = self(),
- ?line F3 = fun() ->
- Parent ! erl_ddll:monitor(driver,{echo_drv,unloaded}),
- receive X -> Parent ! {got,X} end
- end,
- ?line Pid = spawn(fun() ->
- receive go -> ok end,
- {ok, loaded} = erl_ddll:try_load(Path, echo_drv, []),
- spawn(F3),
- receive go -> ok end,
- _Port = open_port({spawn, echo_drv}, [eof]),
- _Port2 = open_port({spawn, echo_drv}, [eof]),
- exit(banan)
- end),
- ?line Ref = erlang:monitor(process,Pid),
+ Path = proplists:get_value(data_dir, Config),
+ Parent = self(),
+ F3 = fun() ->
+ Parent ! erl_ddll:monitor(driver,{echo_drv,unloaded}),
+ receive X -> Parent ! {got,X} end
+ end,
+ Pid = spawn(fun() ->
+ receive go -> ok end,
+ {ok, loaded} = erl_ddll:try_load(Path, echo_drv, []),
+ spawn(F3),
+ receive go -> ok end,
+ _Port = open_port({spawn, echo_drv}, [eof]),
+ _Port2 = open_port({spawn, echo_drv}, [eof]),
+ exit(banan)
+ end),
+ Ref = erlang:monitor(process,Pid),
Pid ! go,
- ?line {ok,Ref2} = receive
- R when is_reference(R) -> {ok,R};
- Other -> {error, Other}
- after 500 -> {error, timeout}
- end,
+ {ok,Ref2} = receive
+ R when is_reference(R) -> {ok,R};
+ Other -> {error, Other}
+ after 500 -> {error, timeout}
+ end,
Pid ! go,
- ?line ok = receive {'DOWN', Ref, process, Pid, banan} -> ok after 300 -> error end,
- ?line ok = receive {got,{'DOWN', Ref2, driver, echo_drv, unloaded}} -> ok after 300 -> error end,
+ ok = receive {'DOWN', Ref, process, Pid, banan} -> ok after 300 -> error end,
+ ok = receive {got,{'DOWN', Ref2, driver, echo_drv, unloaded}} -> ok after 300 -> error end,
ok.
%% Check that a driver with driver loaded in another process is not unloaded on process exit
no_unload_due_to_process_exit(Config) when is_list(Config) ->
- ?line Path = proplists:get_value(data_dir, Config),
- ?line Parent = self(),
- ?line F3 = fun() ->
- Parent ! erl_ddll:monitor(driver,{echo_drv,unloaded}),
- receive X -> Parent ! {got,X} end
- end,
- ?line Pid = spawn(fun() ->
- receive go -> ok end,
- {ok, loaded} = erl_ddll:try_load(Path, echo_drv, []),
- spawn(F3),
- receive go -> ok end,
- _Port = open_port({spawn, echo_drv}, [eof]),
- _Port2 = open_port({spawn, echo_drv}, [eof]),
- exit(banan)
- end),
- ?line Ref = erlang:monitor(process,Pid),
+ Path = proplists:get_value(data_dir, Config),
+ Parent = self(),
+ F3 = fun() ->
+ Parent ! erl_ddll:monitor(driver,{echo_drv,unloaded}),
+ receive X -> Parent ! {got,X} end
+ end,
+ Pid = spawn(fun() ->
+ receive go -> ok end,
+ {ok, loaded} = erl_ddll:try_load(Path, echo_drv, []),
+ spawn(F3),
+ receive go -> ok end,
+ _Port = open_port({spawn, echo_drv}, [eof]),
+ _Port2 = open_port({spawn, echo_drv}, [eof]),
+ exit(banan)
+ end),
+ Ref = erlang:monitor(process,Pid),
Pid ! go,
- ?line {ok,Ref2} = receive
- R when is_reference(R) -> {ok,R};
- Other -> {error, Other}
- after 500 -> {error, timeout}
- end,
- ?line {ok, already_loaded} = erl_ddll:try_load(Path, echo_drv, []),
+ {ok,Ref2} = receive
+ R when is_reference(R) -> {ok,R};
+ Other -> {error, Other}
+ after 500 -> {error, timeout}
+ end,
+ {ok, already_loaded} = erl_ddll:try_load(Path, echo_drv, []),
Pid ! go,
- ?line ok = receive {'DOWN', Ref, process, Pid, banan} -> ok after 300 -> error end,
- ?line ok = receive X -> {error, X} after 300 -> ok end,
- ?line ok = unload_expect_fast(echo_drv,[]),
- ?line ok = receive {got,{'DOWN', Ref2, driver, echo_drv, unloaded}} -> ok after 300 -> error end,
+ ok = receive {'DOWN', Ref, process, Pid, banan} -> ok after 300 -> error end,
+ ok = receive X -> {error, X} after 300 -> ok end,
+ ok = unload_expect_fast(echo_drv,[]),
+ ok = receive {got,{'DOWN', Ref2, driver, echo_drv, unloaded}} -> ok after 300 -> error end,
ok.
%% Check that a driver with open ports in another process is not unloaded on process exit
no_unload_due_to_process_exit_2(Config) when is_list(Config) ->
- ?line Path = proplists:get_value(data_dir, Config),
- ?line Parent = self(),
- ?line F3 = fun() ->
- Parent ! erl_ddll:monitor(driver,{echo_drv,unloaded}),
- receive X -> Parent ! {got,X} end
- end,
- ?line Pid = spawn(fun() ->
- receive go -> ok end,
- {ok, loaded} = erl_ddll:try_load(Path, echo_drv, []),
- spawn(F3),
- receive go -> ok end,
- _Port = open_port({spawn, echo_drv}, [eof]),
- _Port2 = open_port({spawn, echo_drv}, [eof]),
- exit(banan)
- end),
- ?line Ref = erlang:monitor(process,Pid),
+ Path = proplists:get_value(data_dir, Config),
+ Parent = self(),
+ F3 = fun() ->
+ Parent ! erl_ddll:monitor(driver,{echo_drv,unloaded}),
+ receive X -> Parent ! {got,X} end
+ end,
+ Pid = spawn(fun() ->
+ receive go -> ok end,
+ {ok, loaded} = erl_ddll:try_load(Path, echo_drv, []),
+ spawn(F3),
+ receive go -> ok end,
+ _Port = open_port({spawn, echo_drv}, [eof]),
+ _Port2 = open_port({spawn, echo_drv}, [eof]),
+ exit(banan)
+ end),
+ Ref = erlang:monitor(process,Pid),
Pid ! go,
- ?line {ok,Ref2} = receive
- R when is_reference(R) -> {ok,R};
- Other -> {error, Other}
- after 500 -> {error, timeout}
- end,
- ?line Port = open_port({spawn, echo_drv}, [eof]),
+ {ok,Ref2} = receive
+ R when is_reference(R) -> {ok,R};
+ Other -> {error, Other}
+ after 500 -> {error, timeout}
+ end,
+ Port = open_port({spawn, echo_drv}, [eof]),
Pid ! go,
- ?line ok = receive {'DOWN', Ref, process, Pid, banan} -> ok after 300 -> error end,
- ?line ok = receive X -> {error, X} after 300 -> ok end,
- ?line erlang:port_close(Port),
- ?line ok = receive {got,{'DOWN', Ref2, driver, echo_drv, unloaded}} -> ok after 300 -> error end,
+ ok = receive {'DOWN', Ref, process, Pid, banan} -> ok after 300 -> error end,
+ ok = receive X -> {error, X} after 300 -> ok end,
+ erlang:port_close(Port),
+ ok = receive {got,{'DOWN', Ref2, driver, echo_drv, unloaded}} -> ok after 300 -> error end,
ok.
%% Check delayed unload and reload
unload_reload_thingie(Config) when is_list(Config) ->
- ?line Path = proplists:get_value(data_dir, Config),
- ?line Parent = self(),
- ?line {ok, loaded} = erl_ddll:try_load(Path, echo_drv, []),
- ?line F3 = fun() ->
- Parent ! erl_ddll:monitor(driver,{echo_drv,unloaded_only}),
- receive X -> Parent ! {got,X} end
- end,
- ?line Pid = spawn(fun() ->
- receive go -> ok end,
- _Port = open_port({spawn, echo_drv}, [eof]),
- spawn(F3),
- receive go -> ok end,
- exit(banan)
- end),
- ?line Ref = erlang:monitor(process,Pid),
+ Path = proplists:get_value(data_dir, Config),
+ Parent = self(),
+ {ok, loaded} = erl_ddll:try_load(Path, echo_drv, []),
+ F3 = fun() ->
+ Parent ! erl_ddll:monitor(driver,{echo_drv,unloaded_only}),
+ receive X -> Parent ! {got,X} end
+ end,
+ Pid = spawn(fun() ->
+ receive go -> ok end,
+ _Port = open_port({spawn, echo_drv}, [eof]),
+ spawn(F3),
+ receive go -> ok end,
+ exit(banan)
+ end),
+ Ref = erlang:monitor(process,Pid),
+ Pid ! go,
+ {ok,Ref2} = receive
+ R when is_reference(R) -> {ok,R};
+ Other -> {error, Other}
+ after 500 -> {error, timeout}
+ end,
+ {ok,pending_driver,Ref3} = erl_ddll:try_unload(echo_drv,[{monitor,pending}]),
+ Ref4 = erl_ddll:monitor(driver,{echo_drv,loaded}),
+ ok = receive {'DOWN',Ref4, driver,echo_drv,load_cancelled} -> ok after 1000 -> false end,
+ {ok,already_loaded} = erl_ddll:try_load(Path, echo_drv, []),
+ ok = receive {'UP',Ref3, driver,echo_drv,unload_cancelled} -> ok after 1000 -> false end,
Pid ! go,
- ?line {ok,Ref2} = receive
- R when is_reference(R) -> {ok,R};
- Other -> {error, Other}
- after 500 -> {error, timeout}
- end,
- ?line {ok,pending_driver,Ref3} = erl_ddll:try_unload(echo_drv,[{monitor,pending}]),
- ?line Ref4 = erl_ddll:monitor(driver,{echo_drv,loaded}),
- ?line ok = receive {'DOWN',Ref4, driver,echo_drv,load_cancelled} -> ok after 1000 -> false end,
- ?line {ok,already_loaded} = erl_ddll:try_load(Path, echo_drv, []),
- ?line ok = receive {'UP',Ref3, driver,echo_drv,unload_cancelled} -> ok after 1000 -> false end,
- ?line Pid ! go,
- ?line ok = receive {'DOWN', Ref, process, Pid, banan} -> ok after 300 -> error end,
- ?line [{Parent,1}] = erl_ddll:info(echo_drv, processes),
- ?line 0 = erl_ddll:info(echo_drv, port_count),
- ?line ok = unload_expect_fast(echo_drv,[{monitor,pending}]),
- ?line ok = receive
- {got,{'DOWN', Ref2, driver, echo_drv, unloaded}} -> ok
- after 300 -> error
- end,
- ?line ok = receive X -> {error, X} after 300 -> ok end,
+ ok = receive {'DOWN', Ref, process, Pid, banan} -> ok after 300 -> error end,
+ [{Parent,1}] = erl_ddll:info(echo_drv, processes),
+ 0 = erl_ddll:info(echo_drv, port_count),
+ ok = unload_expect_fast(echo_drv,[{monitor,pending}]),
+ ok = receive
+ {got,{'DOWN', Ref2, driver, echo_drv, unloaded}} -> ok
+ after 300 -> error
+ end,
+ ok = receive X -> {error, X} after 300 -> ok end,
ok.
%% Check delayed unload and reload
unload_reload_thingie_2(Config) when is_list(Config) ->
- ?line Path = proplists:get_value(data_dir, Config),
- ?line Parent = self(),
- ?line {ok, loaded} = erl_ddll:try_load(Path, echo_drv, []),
- ?line F3 = fun() ->
- Parent ! erl_ddll:monitor(driver,{echo_drv,unloaded_only}),
- receive X -> Parent ! {got,X} end
- end,
- ?line Pid = spawn(fun() ->
- receive go -> ok end,
- _Port = open_port({spawn, echo_drv}, [eof]),
- spawn(F3),
- receive go -> ok end,
- exit(banan)
- end),
- ?line Ref = erlang:monitor(process,Pid),
+ Path = proplists:get_value(data_dir, Config),
+ Parent = self(),
+ {ok, loaded} = erl_ddll:try_load(Path, echo_drv, []),
+ F3 = fun() ->
+ Parent ! erl_ddll:monitor(driver,{echo_drv,unloaded_only}),
+ receive X -> Parent ! {got,X} end
+ end,
+ Pid = spawn(fun() ->
+ receive go -> ok end,
+ _Port = open_port({spawn, echo_drv}, [eof]),
+ spawn(F3),
+ receive go -> ok end,
+ exit(banan)
+ end),
+ Ref = erlang:monitor(process,Pid),
+ Pid ! go,
+ {ok,Ref2} = receive
+ R when is_reference(R) -> {ok,R};
+ Other -> {error, Other}
+ after 500 -> {error, timeout}
+ end,
+ {ok,pending_driver,Ref3} = erl_ddll:try_load(Path, echo_drv,
+ [{monitor,pending_driver},{reload,pending_driver}]),
+ Ref4 = erl_ddll:monitor(driver,{echo_drv,unloaded}),
Pid ! go,
- ?line {ok,Ref2} = receive
- R when is_reference(R) -> {ok,R};
- Other -> {error, Other}
- after 500 -> {error, timeout}
- end,
- ?line {ok,pending_driver,Ref3} = erl_ddll:try_load(Path,echo_drv,[{monitor,pending_driver},{reload,pending_driver}]),
- ?line Ref4 = erl_ddll:monitor(driver,{echo_drv,unloaded}),
- ?line Pid ! go,
- ?line ok = receive {'DOWN', Ref, process, Pid, banan} -> ok after 300 -> error end,
- ?line ok = receive {'DOWN',Ref4, driver,echo_drv,unloaded} -> ok after 1000 -> false end,
- ?line ok = receive {'UP',Ref3, driver,echo_drv,loaded} -> ok after 1000 -> false end,
- ?line [{Parent,1}] = erl_ddll:info(echo_drv, processes),
- ?line 0 = erl_ddll:info(echo_drv, port_count),
- ?line ok = receive
- {got,{'DOWN', Ref2, driver, echo_drv, unloaded}} -> ok
- after 300 -> error
- end,
- ?line ok = unload_expect_fast(echo_drv,[{monitor,pending}]),
- ?line ok = receive X -> {error, X} after 300 -> ok end,
+ ok = receive {'DOWN', Ref, process, Pid, banan} -> ok after 300 -> error end,
+ ok = receive {'DOWN',Ref4, driver,echo_drv,unloaded} -> ok after 1000 -> false end,
+ ok = receive {'UP',Ref3, driver,echo_drv,loaded} -> ok after 1000 -> false end,
+ [{Parent,1}] = erl_ddll:info(echo_drv, processes),
+ 0 = erl_ddll:info(echo_drv, port_count),
+ ok = receive
+ {got,{'DOWN', Ref2, driver, echo_drv, unloaded}} -> ok
+ after 300 -> error
+ end,
+ ok = unload_expect_fast(echo_drv,[{monitor,pending}]),
+ ok = receive X -> {error, X} after 300 -> ok end,
ok.
%% Check delayed unload and reload failure
unload_reload_thingie_3(Config) when is_list(Config) ->
- ?line Path = proplists:get_value(data_dir, Config),
- ?line Parent = self(),
- ?line {ok, loaded} = erl_ddll:try_load(Path, echo_drv, []),
- ?line F3 = fun() ->
- Parent ! erl_ddll:monitor(driver,{echo_drv,unloaded}),
- receive X -> Parent ! {got,X} end
- end,
- ?line Pid = spawn(fun() ->
- receive go -> ok end,
- _Port = open_port({spawn, echo_drv}, [eof]),
- spawn(F3),
- receive go -> ok end,
- exit(banan)
- end),
- ?line Ref = erlang:monitor(process,Pid),
+ Path = proplists:get_value(data_dir, Config),
+ Parent = self(),
+ {ok, loaded} = erl_ddll:try_load(Path, echo_drv, []),
+ F3 = fun() ->
+ Parent ! erl_ddll:monitor(driver,{echo_drv,unloaded}),
+ receive X -> Parent ! {got,X} end
+ end,
+ Pid = spawn(fun() ->
+ receive go -> ok end,
+ _Port = open_port({spawn, echo_drv}, [eof]),
+ spawn(F3),
+ receive go -> ok end,
+ exit(banan)
+ end),
+ Ref = erlang:monitor(process,Pid),
Pid ! go,
- ?line {ok,Ref2} = receive
- R when is_reference(R) -> {ok,R};
- Other -> {error, Other}
- after 500 -> {error, timeout}
- end,
- ?line {ok,pending_driver,Ref3} = erl_ddll:try_load(filename:join([Path,"skrumpf"]),echo_drv,[{monitor,pending_driver},{reload,pending_driver}]),
- ?line Ref4 = erl_ddll:monitor(driver,{echo_drv,unloaded}),
- ?line Pid ! go,
- ?line ok = receive {'DOWN', Ref, process, Pid, banan} -> ok after 300 -> error end,
- ?line ok = receive
- {got,{'DOWN', Ref2, driver, echo_drv, unloaded}} -> ok
- after 300 -> error
- end,
- ?line ok = receive {'DOWN',Ref4,driver,echo_drv,unloaded} -> ok after 300 -> false end,
- ?line ok = receive
- {'DOWN',Ref3, driver,echo_drv,{load_failure,_}} -> ok
- after 1000 -> false
- end,
- ?line {'EXIT',_} = (catch erl_ddll:info(echo_drv, port_count)),
- ?line {error, not_loaded} = erl_ddll:try_unload(echo_drv,[{monitor,pending}]),
- ?line ok = receive X -> {error, X} after 300 -> ok end,
+ {ok,Ref2} = receive
+ R when is_reference(R) -> {ok,R};
+ Other -> {error, Other}
+ after 500 -> {error, timeout}
+ end,
+ {ok,pending_driver,Ref3} = erl_ddll:try_load(filename:join([Path,"skrumpf"]), echo_drv,
+ [{monitor,pending_driver},{reload,pending_driver}]),
+ Ref4 = erl_ddll:monitor(driver,{echo_drv,unloaded}),
+ Pid ! go,
+ ok = receive {'DOWN', Ref, process, Pid, banan} -> ok after 300 -> error end,
+ ok = receive
+ {got,{'DOWN', Ref2, driver, echo_drv, unloaded}} -> ok
+ after 300 -> error
+ end,
+ ok = receive {'DOWN',Ref4,driver,echo_drv,unloaded} -> ok after 300 -> false end,
+ ok = receive
+ {'DOWN',Ref3, driver,echo_drv,{load_failure,_}} -> ok
+ after 1000 -> false
+ end,
+ {'EXIT',_} = (catch erl_ddll:info(echo_drv, port_count)),
+ {error, not_loaded} = erl_ddll:try_unload(echo_drv,[{monitor,pending}]),
+ ok = receive X -> {error, X} after 300 -> ok end,
ok.
%% Reload a driver that is pending on a user
reload_pending(Config) when is_list(Config) ->
- ?line Path = proplists:get_value(data_dir, Config),
- ?line Parent = self(),
- ?line F3 = fun() ->
- Parent ! erl_ddll:monitor(driver,{echo_drv,unloaded}),
- receive X -> Parent ! {got,X} end
- end,
- ?line Pid = spawn(fun() ->
- receive go -> ok end,
- {ok, loaded} = erl_ddll:try_load(Path, echo_drv, []),
- spawn(F3),
- receive go -> ok end,
- _Port = open_port({spawn, echo_drv}, [eof]),
- _Port2 = open_port({spawn, echo_drv}, [eof]),
- Parent ! opened,
- receive go -> ok end,
- exit(banan)
- end),
- ?line Ref = erlang:monitor(process,Pid),
+ Path = proplists:get_value(data_dir, Config),
+ Parent = self(),
+ F3 = fun() ->
+ Parent ! erl_ddll:monitor(driver,{echo_drv,unloaded}),
+ receive X -> Parent ! {got,X} end
+ end,
+ Pid = spawn(fun() ->
+ receive go -> ok end,
+ {ok, loaded} = erl_ddll:try_load(Path, echo_drv, []),
+ spawn(F3),
+ receive go -> ok end,
+ _Port = open_port({spawn, echo_drv}, [eof]),
+ _Port2 = open_port({spawn, echo_drv}, [eof]),
+ Parent ! opened,
+ receive go -> ok end,
+ exit(banan)
+ end),
+ Ref = erlang:monitor(process,Pid),
Pid ! go,
- ?line {ok,Ref2} = receive
- R when is_reference(R) -> {ok,R};
- Other -> {error, Other}
- after 500 -> {error, timeout}
- end,
- ?line {ok, already_loaded} = erl_ddll:try_load(Path, echo_drv, []),
- ?line Port = open_port({spawn, echo_drv}, [eof]),
+ {ok,Ref2} = receive
+ R when is_reference(R) -> {ok,R};
+ Other -> {error, Other}
+ after 500 -> {error, timeout}
+ end,
+ {ok, already_loaded} = erl_ddll:try_load(Path, echo_drv, []),
+ Port = open_port({spawn, echo_drv}, [eof]),
Pid ! go,
- ?line receive opened -> ok end,
- ?line {error, pending_process} =
- erl_ddll:try_load(Path, echo_drv,
- [{reload,pending_driver},
- {monitor,pending_driver}]),
- ?line {ok, pending_process, Ref3} =
- erl_ddll:try_load(Path, echo_drv,
- [{reload,pending},
- {monitor,pending}]),
- ?line ok = receive X -> {error, X} after 300 -> ok end,
+ receive opened -> ok end,
+ {error, pending_process} =
+ erl_ddll:try_load(Path, echo_drv,
+ [{reload,pending_driver},
+ {monitor,pending_driver}]),
+ {ok, pending_process, Ref3} =
+ erl_ddll:try_load(Path, echo_drv,
+ [{reload,pending},
+ {monitor,pending}]),
+ ok = receive X -> {error, X} after 300 -> ok end,
Pid ! go,
- ?line ok = receive {'DOWN', Ref, process, Pid, banan} -> ok after 300 -> error end,
- ?line ok = receive Y -> {error, Y} after 300 -> ok end,
- ?line erlang:port_close(Port),
- ?line ok = receive {got,{'DOWN', Ref2, driver, echo_drv, unloaded}} -> ok after 300 -> error end,
- ?line ok = receive {'UP', Ref3, driver, echo_drv, loaded} -> ok after 300 -> error end,
+ ok = receive {'DOWN', Ref, process, Pid, banan} -> ok after 300 -> error end,
+ ok = receive Y -> {error, Y} after 300 -> ok end,
+ erlang:port_close(Port),
+ ok = receive {got,{'DOWN', Ref2, driver, echo_drv, unloaded}} -> ok after 300 -> error end,
+ ok = receive {'UP', Ref3, driver, echo_drv, loaded} -> ok after 300 -> error end,
[{Parent,1}] = erl_ddll:info(echo_drv,processes),
- ?line ok = receive Z -> {error, Z} after 300 -> ok end,
+ ok = receive Z -> {error, Z} after 300 -> ok end,
ok.
%% Tests failure in the init in driver struct.
load_fail_init(Config) when is_list(Config) ->
- ?line Path = proplists:get_value(data_dir, Config),
- ?line PathFailing = proplists:get_value(priv_dir, Config),
- ?line [_|_] = AllFailInits = filelib:wildcard("echo_drv_fail_init.*",Path),
- ?line lists:foreach(fun(Name) ->
- Src = filename:join([Path,Name]),
- Ext = filename:extension(Name),
- Dst =filename:join([PathFailing,"echo_drv"++Ext]),
- file:delete(Dst),
- {ok,_} = file:copy(Src,Dst)
- end,
- AllFailInits),
- ?line [_|_] = filelib:wildcard("echo_drv.*",PathFailing),
- ?line {error, driver_init_failed} = erl_ddll:try_load(PathFailing,
- echo_drv,
- [{monitor,pending}]),
- ?line ok = receive XX ->
- {unexpected,XX}
- after 300 ->
- ok
- end,
+ Path = proplists:get_value(data_dir, Config),
+ PathFailing = proplists:get_value(priv_dir, Config),
+ [_|_] = AllFailInits = filelib:wildcard("echo_drv_fail_init.*",Path),
+ lists:foreach(fun(Name) ->
+ Src = filename:join([Path,Name]),
+ Ext = filename:extension(Name),
+ Dst =filename:join([PathFailing,"echo_drv"++Ext]),
+ file:delete(Dst),
+ {ok,_} = file:copy(Src,Dst)
+ end,
+ AllFailInits),
+ [_|_] = filelib:wildcard("echo_drv.*",PathFailing),
+ {error, driver_init_failed} = erl_ddll:try_load(PathFailing,
+ echo_drv,
+ [{monitor,pending}]),
+ ok = receive XX ->
+ {unexpected,XX}
+ after 300 ->
+ ok
+ end,
ok.
%% Reload a driver that is pending but init fails
reload_pending_fail_init(Config) when is_list(Config) ->
- ?line Path = proplists:get_value(data_dir, Config),
- ?line PathFailing = proplists:get_value(priv_dir, Config),
- ?line [_|_] = AllFailInits = filelib:wildcard("echo_drv_fail_init.*",Path),
- ?line lists:foreach(fun(Name) ->
- Src = filename:join([Path,Name]),
- Ext = filename:extension(Name),
- Dst =filename:join([PathFailing,"echo_drv"++Ext]),
- file:delete(Dst),
- {ok,_} = file:copy(Src,Dst)
- end,
- AllFailInits),
- ?line [_|_] = filelib:wildcard("echo_drv.*",PathFailing),
- ?line Parent = self(),
- ?line F3 = fun() ->
- Parent ! erl_ddll:monitor(driver,{echo_drv,unloaded}),
- receive X -> Parent ! {got,X} end
- end,
- ?line Pid = spawn(fun() ->
- receive go -> ok end,
- {ok, loaded} = erl_ddll:try_load(Path, echo_drv, []),
- spawn(F3),
- receive go -> ok end,
- _Port = open_port({spawn, echo_drv}, [eof]),
- _Port2 = open_port({spawn, echo_drv}, [eof]),
- Parent ! opened,
- receive go -> ok end,
- exit(banan)
- end),
- ?line Ref = erlang:monitor(process,Pid),
+ Path = proplists:get_value(data_dir, Config),
+ PathFailing = proplists:get_value(priv_dir, Config),
+ [_|_] = AllFailInits = filelib:wildcard("echo_drv_fail_init.*",Path),
+ lists:foreach(fun(Name) ->
+ Src = filename:join([Path,Name]),
+ Ext = filename:extension(Name),
+ Dst =filename:join([PathFailing,"echo_drv"++Ext]),
+ file:delete(Dst),
+ {ok,_} = file:copy(Src,Dst)
+ end,
+ AllFailInits),
+ [_|_] = filelib:wildcard("echo_drv.*",PathFailing),
+ Parent = self(),
+ F3 = fun() ->
+ Parent ! erl_ddll:monitor(driver,{echo_drv,unloaded}),
+ receive X -> Parent ! {got,X} end
+ end,
+ Pid = spawn(fun() ->
+ receive go -> ok end,
+ {ok, loaded} = erl_ddll:try_load(Path, echo_drv, []),
+ spawn(F3),
+ receive go -> ok end,
+ _Port = open_port({spawn, echo_drv}, [eof]),
+ _Port2 = open_port({spawn, echo_drv}, [eof]),
+ Parent ! opened,
+ receive go -> ok end,
+ exit(banan)
+ end),
+ Ref = erlang:monitor(process,Pid),
Pid ! go,
- ?line {ok,Ref2} = receive
- R when is_reference(R) -> {ok,R};
- Other -> {error, Other}
- after 500 -> {error, timeout}
- end,
- ?line {ok, already_loaded} = erl_ddll:try_load(Path, echo_drv, []),
- ?line Port = open_port({spawn, echo_drv}, [eof]),
+ {ok,Ref2} = receive
+ R when is_reference(R) -> {ok,R};
+ Other -> {error, Other}
+ after 500 -> {error, timeout}
+ end,
+ {ok, already_loaded} = erl_ddll:try_load(Path, echo_drv, []),
+ Port = open_port({spawn, echo_drv}, [eof]),
Pid ! go,
- ?line receive opened -> ok end,
- ?line {ok, pending_process, Ref3} =
- erl_ddll:try_load(PathFailing, echo_drv,
- [{reload,pending},
- {monitor,pending}]),
- ?line ok = receive X -> {error, X} after 300 -> ok end,
+ receive opened -> ok end,
+ {ok, pending_process, Ref3} =
+ erl_ddll:try_load(PathFailing, echo_drv,
+ [{reload,pending},
+ {monitor,pending}]),
+ ok = receive X -> {error, X} after 300 -> ok end,
Pid ! go,
- ?line ok = receive {'DOWN', Ref, process, Pid, banan} -> ok after 300 -> error end,
- ?line ok = receive Y -> {error, Y} after 300 -> ok end,
- ?line erlang:port_close(Port),
- ?line ok = receive {got,{'DOWN', Ref2, driver, echo_drv, unloaded}} -> ok after 300 -> error end,
- ?line ok = receive {'DOWN', Ref3, driver, echo_drv, {load_failure,driver_init_failed}} -> ok after 300 -> error end,
- ?line {'EXIT',{badarg,_}} = (catch erl_ddll:info(echo_drv,processes)),
-
- ?line ok = receive Z -> {error, Z} after 300 -> ok end,
+ ok = receive {'DOWN', Ref, process, Pid, banan} -> ok after 300 -> error end,
+ ok = receive Y -> {error, Y} after 300 -> ok end,
+ erlang:port_close(Port),
+ ok = receive {got,{'DOWN', Ref2, driver, echo_drv, unloaded}} -> ok after 300 -> error end,
+ ok = receive {'DOWN', Ref3, driver, echo_drv, {load_failure,driver_init_failed}} -> ok after 300 -> error end,
+ {'EXIT',{badarg,_}} = (catch erl_ddll:info(echo_drv,processes)),
+
+ ok = receive Z -> {error, Z} after 300 -> ok end,
ok.
%% Reload a driver with kill_ports option that is pending on a user
reload_pending_kill(Config) when is_list(Config) ->
- ?line OldFlag = process_flag(trap_exit,true),
- ?line Path = proplists:get_value(data_dir, Config),
- ?line Parent = self(),
- ?line F3 = fun() ->
- Parent ! erl_ddll:monitor(driver,{echo_drv,unloaded}),
- receive X -> Parent ! {got,X} end
- end,
- ?line Pid = spawn(fun() ->
- process_flag(trap_exit,true),
- receive go -> ok end,
- {ok, loaded} = erl_ddll:try_load(Path, echo_drv, [{driver_options,[kill_ports]}]),
- spawn(F3),
- receive go -> ok end,
- Port = open_port({spawn, echo_drv}, [eof]),
- Port2 = open_port({spawn, echo_drv}, [eof]),
- Parent ! opened,
- receive go -> ok end,
- receive
- {'EXIT', Port2, driver_unloaded} ->
- Parent ! first_exit
- end,
- receive
- {'EXIT', Port, driver_unloaded} ->
- Parent ! second_exit
- end,
- receive go -> ok end,
- exit(banan)
- end),
- ?line Ref = erlang:monitor(process,Pid),
+ OldFlag = process_flag(trap_exit,true),
+ Path = proplists:get_value(data_dir, Config),
+ Parent = self(),
+ F3 = fun() ->
+ Parent ! erl_ddll:monitor(driver,{echo_drv,unloaded}),
+ receive X -> Parent ! {got,X} end
+ end,
+ Pid = spawn(fun() ->
+ process_flag(trap_exit,true),
+ receive go -> ok end,
+ {ok, loaded} = erl_ddll:try_load(Path, echo_drv, [{driver_options,[kill_ports]}]),
+ spawn(F3),
+ receive go -> ok end,
+ Port = open_port({spawn, echo_drv}, [eof]),
+ Port2 = open_port({spawn, echo_drv}, [eof]),
+ Parent ! opened,
+ receive go -> ok end,
+ receive
+ {'EXIT', Port2, driver_unloaded} ->
+ Parent ! first_exit
+ end,
+ receive
+ {'EXIT', Port, driver_unloaded} ->
+ Parent ! second_exit
+ end,
+ receive go -> ok end,
+ exit(banan)
+ end),
+ Ref = erlang:monitor(process,Pid),
Pid ! go,
- ?line {ok,Ref2} = receive
- R when is_reference(R) -> {ok,R};
- Other -> {error, Other}
- after 500 -> {error, timeout}
- end,
- ?line {ok, already_loaded} = erl_ddll:try_load(Path, echo_drv, [{driver_options,[kill_ports]}]),
- ?line {error,inconsistent} = erl_ddll:try_load(Path, echo_drv, []),
- ?line Port = open_port({spawn, echo_drv}, [eof]),
+ {ok,Ref2} = receive
+ R when is_reference(R) -> {ok,R};
+ Other -> {error, Other}
+ after 500 -> {error, timeout}
+ end,
+ {ok, already_loaded} = erl_ddll:try_load(Path, echo_drv, [{driver_options,[kill_ports]}]),
+ {error,inconsistent} = erl_ddll:try_load(Path, echo_drv, []),
+ Port = open_port({spawn, echo_drv}, [eof]),
Pid ! go,
- ?line receive opened -> ok end,
- ?line {error, pending_process} =
- erl_ddll:try_load(Path, echo_drv,
- [{driver_options,[kill_ports]},
- {reload,pending_driver},
- {monitor,pending_driver}]),
- ?line {ok, pending_process, Ref3} =
- erl_ddll:try_load(Path, echo_drv,
- [{driver_options,[kill_ports]},
- {reload,pending},
- {monitor,pending}]),
- ?line ok = receive
- {'EXIT', Port, driver_unloaded} ->
- ok
- after 300 -> error
- end,
+ receive opened -> ok end,
+ {error, pending_process} =
+ erl_ddll:try_load(Path, echo_drv,
+ [{driver_options,[kill_ports]},
+ {reload,pending_driver},
+ {monitor,pending_driver}]),
+ {ok, pending_process, Ref3} =
+ erl_ddll:try_load(Path, echo_drv,
+ [{driver_options,[kill_ports]},
+ {reload,pending},
+ {monitor,pending}]),
+ ok = receive
+ {'EXIT', Port, driver_unloaded} ->
+ ok
+ after 300 -> error
+ end,
Pid ! go,
- ?line ok = receive {got,{'DOWN', Ref2, driver, echo_drv, unloaded}} -> ok after 300 -> error end,
- ?line ok = receive {'UP', Ref3, driver, echo_drv, loaded} -> ok after 300 -> error end,
- ?line [_,_] = erl_ddll:info(echo_drv,processes),
- ?line ok = receive first_exit -> ok after 300 -> error end,
- ?line ok = receive second_exit -> ok after 300 -> error end,
- ?line 0 = erl_ddll:info(echo_drv,port_count),
- ?line ok = receive X -> {error, X} after 300 -> ok end,
+ ok = receive {got,{'DOWN', Ref2, driver, echo_drv, unloaded}} -> ok after 300 -> error end,
+ ok = receive {'UP', Ref3, driver, echo_drv, loaded} -> ok after 300 -> error end,
+ [_,_] = erl_ddll:info(echo_drv,processes),
+ ok = receive first_exit -> ok after 300 -> error end,
+ ok = receive second_exit -> ok after 300 -> error end,
+ 0 = erl_ddll:info(echo_drv,port_count),
+ ok = receive X -> {error, X} after 300 -> ok end,
Pid ! go,
- ?line ok = receive {'DOWN', Ref, process, Pid, banan} -> ok after 300 -> error end,
- ?line ok = receive Y -> {error, Y} after 300 -> ok end,
- ?line Port2 = open_port({spawn, echo_drv}, [eof]),
- ?line true = is_port(Port2),
+ ok = receive {'DOWN', Ref, process, Pid, banan} -> ok after 300 -> error end,
+ ok = receive Y -> {error, Y} after 300 -> ok end,
+ Port2 = open_port({spawn, echo_drv}, [eof]),
+ true = is_port(Port2),
+ [{Parent,1}] = erl_ddll:info(echo_drv,processes),
+ 1 = erl_ddll:info(echo_drv,port_count),
+ erlang:port_close(Port2),
+ ok = receive {'EXIT', Port2, normal} -> ok after 300 -> error end,
+ 0 = erl_ddll:info(echo_drv,port_count),
[{Parent,1}] = erl_ddll:info(echo_drv,processes),
- ?line 1 = erl_ddll:info(echo_drv,port_count),
- ?line erlang:port_close(Port2),
- ?line ok = receive {'EXIT', Port2, normal} -> ok after 300 -> error end,
- ?line 0 = erl_ddll:info(echo_drv,port_count),
- ?line [{Parent,1}] = erl_ddll:info(echo_drv,processes),
- ?line Port3 = open_port({spawn, echo_drv}, [eof]),
- ?line {ok, pending_driver, Ref4} =
- erl_ddll:try_unload(echo_drv,[{monitor,pending_driver}]),
- ?line ok = receive
- {'EXIT', Port3, driver_unloaded} ->
- ok
- after 300 -> error
- end,
- ?line ok = receive {'DOWN', Ref4, driver, echo_drv, unloaded} -> ok after 300 -> error end,
+ Port3 = open_port({spawn, echo_drv}, [eof]),
+ {ok, pending_driver, Ref4} =
+ erl_ddll:try_unload(echo_drv,[{monitor,pending_driver}]),
+ ok = receive
+ {'EXIT', Port3, driver_unloaded} ->
+ ok
+ after 300 -> error
+ end,
+ ok = receive {'DOWN', Ref4, driver, echo_drv, unloaded} -> ok after 300 -> error end,
io:format("Port = ~w, Port2 = ~w, Port3 = ~w~n",[Port,Port2,Port3]),
- ?line ok = receive Z -> {error, Z} after 300 -> ok end,
- ?line process_flag(trap_exit,OldFlag),
+ ok = receive Z -> {error, Z} after 300 -> ok end,
+ process_flag(trap_exit,OldFlag),
ok.
%% Some more error code checking
more_error_codes(Config) when is_list(Config) ->
- ?line {error,Err} = erl_ddll:try_load("./echo_dr",echo_dr,[]),
- ?line true = is_list(erl_ddll:format_error(Err)),
- ?line true = is_list(erl_ddll:format_error(not_loaded)),
+ {error,Err} = erl_ddll:try_load("./echo_dr",echo_dr,[]),
+ true = is_list(erl_ddll:format_error(Err)),
+ true = is_list(erl_ddll:format_error(not_loaded)),
ok.
%% Check kill_ports option to try_unload
forced_port_killing(Config) when is_list(Config) ->
- ?line Path = proplists:get_value(data_dir, Config),
- ?line OldFlag=process_flag(trap_exit,true),
- ?line Parent = self(),
- ?line F3 = fun() ->
- Parent ! erl_ddll:monitor(driver,{echo_drv,unloaded}),
- receive X -> Parent ! {got,X} end
- end,
- ?line {ok, loaded} = erl_ddll:try_load(Path, echo_drv, []),
- ?line spawn(F3),
- ?line {ok,Ref2} = receive
- R when is_reference(R) -> {ok,R};
- Other -> {error, Other}
- after 500 -> {error, timeout}
- end,
- ?line Port = open_port({spawn, echo_drv}, [eof]),
- ?line Port2 = open_port({spawn, echo_drv}, [eof]),
- ?line {ok, pending_driver, Ref1} =
- erl_ddll:try_unload(echo_drv,[{monitor,pending_driver},kill_ports]),
- ?line ok = receive
- {got,{'DOWN', Ref2, driver, echo_drv, unloaded}} -> ok
- after 300 -> error
- end,
- ?line ok = receive {'EXIT',Port,driver_unloaded} -> ok after 300 -> false end,
- ?line ok = receive {'EXIT',Port2,driver_unloaded} -> ok after 300 -> false end,
- ?line ok = receive {'DOWN',Ref1, driver, echo_drv, unloaded} -> ok after 300 -> false end,
- ?line process_flag(trap_exit,OldFlag),
- ?line ok = receive X -> {error, X} after 300 -> ok end,
+ Path = proplists:get_value(data_dir, Config),
+ OldFlag=process_flag(trap_exit,true),
+ Parent = self(),
+ F3 = fun() ->
+ Parent ! erl_ddll:monitor(driver,{echo_drv,unloaded}),
+ receive X -> Parent ! {got,X} end
+ end,
+ {ok, loaded} = erl_ddll:try_load(Path, echo_drv, []),
+ spawn(F3),
+ {ok,Ref2} = receive
+ R when is_reference(R) -> {ok,R};
+ Other -> {error, Other}
+ after 500 -> {error, timeout}
+ end,
+ Port = open_port({spawn, echo_drv}, [eof]),
+ Port2 = open_port({spawn, echo_drv}, [eof]),
+ {ok, pending_driver, Ref1} =
+ erl_ddll:try_unload(echo_drv,[{monitor,pending_driver},kill_ports]),
+ ok = receive
+ {got,{'DOWN', Ref2, driver, echo_drv, unloaded}} -> ok
+ after 300 -> error
+ end,
+ ok = receive {'EXIT',Port,driver_unloaded} -> ok after 300 -> false end,
+ ok = receive {'EXIT',Port2,driver_unloaded} -> ok after 300 -> false end,
+ ok = receive {'DOWN',Ref1, driver, echo_drv, unloaded} -> ok after 300 -> false end,
+ process_flag(trap_exit,OldFlag),
+ ok = receive X -> {error, X} after 300 -> ok end,
ok.
%% Check delayed unload and reload with no trap_exit
no_trap_exit_and_kill_ports(Config) when is_list(Config) ->
- ?line Path = proplists:get_value(data_dir, Config),
- ?line Parent = self(),
- ?line OldFlag=process_flag(trap_exit,true),
- ?line F3 = fun() ->
- Parent ! erl_ddll:monitor(driver,{echo_drv,unloaded}),
- receive X -> Parent ! {got,X} end
- end,
- ?line Pid = spawn(fun() ->
- process_flag(trap_exit,false),
- receive go -> ok end,
- {ok, loaded} = erl_ddll:try_load(Path, echo_drv,
- [{driver_options,[kill_ports]}]),
- spawn(F3),
- receive go -> ok end,
- _Port = open_port({spawn, echo_drv}, [eof]),
- _Port2 = open_port({spawn, echo_drv}, [eof]),
- exit(banan)
- end),
- ?line Ref = erlang:monitor(process,Pid),
+ Path = proplists:get_value(data_dir, Config),
+ Parent = self(),
+ OldFlag=process_flag(trap_exit,true),
+ F3 = fun() ->
+ Parent ! erl_ddll:monitor(driver,{echo_drv,unloaded}),
+ receive X -> Parent ! {got,X} end
+ end,
+ Pid = spawn(fun() ->
+ process_flag(trap_exit,false),
+ receive go -> ok end,
+ {ok, loaded} = erl_ddll:try_load(Path, echo_drv,
+ [{driver_options,[kill_ports]}]),
+ spawn(F3),
+ receive go -> ok end,
+ _Port = open_port({spawn, echo_drv}, [eof]),
+ _Port2 = open_port({spawn, echo_drv}, [eof]),
+ exit(banan)
+ end),
+ Ref = erlang:monitor(process,Pid),
Pid ! go,
- ?line {ok,Ref2} = receive
- R when is_reference(R) -> {ok,R};
- Other -> {error, Other}
- after 500 -> {error, timeout}
- end,
- ?line {error, inconsistent} = erl_ddll:try_load(Path, echo_drv, []),
- ?line MyPort = open_port({spawn, echo_drv}, [eof]),
+ {ok,Ref2} = receive
+ R when is_reference(R) -> {ok,R};
+ Other -> {error, Other}
+ after 500 -> {error, timeout}
+ end,
+ {error, inconsistent} = erl_ddll:try_load(Path, echo_drv, []),
+ MyPort = open_port({spawn, echo_drv}, [eof]),
Pid ! go,
- ?line ok = receive {'DOWN', Ref, process, Pid, banan} -> ok after 300 -> error end,
- ?line ok = receive {got,{'DOWN', Ref2, driver, echo_drv, unloaded}} -> ok after 300 -> error end,
- ?line ok = receive {'EXIT',MyPort,driver_unloaded} -> ok after 300 -> error end,
- ?line process_flag(trap_exit,OldFlag),
+ ok = receive {'DOWN', Ref, process, Pid, banan} -> ok after 300 -> error end,
+ ok = receive {got,{'DOWN', Ref2, driver, echo_drv, unloaded}} -> ok after 300 -> error end,
+ ok = receive {'EXIT',MyPort,driver_unloaded} -> ok after 300 -> error end,
+ process_flag(trap_exit,OldFlag),
ok.
%% Check monitor and demonitor of drivers
monitor_demonitor(Config) when is_list(Config) ->
- ?line Path = proplists:get_value(data_dir, Config),
- ?line erl_ddll:try_load(Path, echo_drv, []),
- ?line Ref = erl_ddll:monitor(driver,{echo_drv,unloaded}),
- ?line Self = self(),
- ?line [{Self,1}] = erl_ddll:info(echo_drv,awaiting_unload),
- ?line true = erl_ddll:demonitor(Ref),
- ?line [] = erl_ddll:info(echo_drv,awaiting_unload),
- ?line erl_ddll:try_unload(echo_drv,[]),
- ?line ok = receive _ -> error after 300 -> ok end,
+ Path = proplists:get_value(data_dir, Config),
+ erl_ddll:try_load(Path, echo_drv, []),
+ Ref = erl_ddll:monitor(driver,{echo_drv,unloaded}),
+ Self = self(),
+ [{Self,1}] = erl_ddll:info(echo_drv,awaiting_unload),
+ true = erl_ddll:demonitor(Ref),
+ [] = erl_ddll:info(echo_drv,awaiting_unload),
+ erl_ddll:try_unload(echo_drv,[]),
+ ok = receive _ -> error after 300 -> ok end,
ok.
%% Check monitor/demonitor of driver loading
monitor_demonitor_load(Config) when is_list(Config) ->
- ?line Path = proplists:get_value(data_dir, Config),
- ?line {ok,loaded} = erl_ddll:try_load(Path, echo_drv, []),
- ?line Port = open_port({spawn, echo_drv}, [eof]),
- ?line Ref = erl_ddll:monitor(driver,{echo_drv,loaded}),
- ?line ok = receive {'UP',Ref,driver,echo_drv,loaded} -> ok after 500 -> error end,
- ?line {ok, pending_driver} = erl_ddll:try_unload(echo_drv,[]),
- ?line Ref2 = erl_ddll:monitor(driver,{echo_drv,loaded}),
- ?line ok = receive {'DOWN',Ref2,driver,echo_drv,load_cancelled} -> ok after 0 -> error end,
- ?line {ok,already_loaded} = erl_ddll:try_load(Path, echo_drv, []),
- ?line {ok, pending_driver} =
- erl_ddll:try_load(Path, echo_drv, [{reload,pending_driver}]),
- ?line Ref3 = erl_ddll:monitor(driver,{echo_drv,loaded}),
- ?line Ref4 = erl_ddll:monitor(driver,{echo_drv,unloaded}),
- ?line ok = receive _ -> error after 300 -> ok end,
- ?line Self = self(),
- ?line [{Self,1}] = erl_ddll:info(echo_drv,awaiting_load),
- ?line true = erl_ddll:demonitor(Ref3),
- ?line [] = erl_ddll:info(echo_drv,awaiting_load),
- ?line erlang:port_close(Port),
- ?line ok = receive {'DOWN',Ref4,driver,echo_drv,unloaded} -> ok after 300 -> error end,
- ?line ok = receive _ -> error after 300 -> ok end,
- ?line ok = unload_expect_fast(echo_drv,[]),
+ Path = proplists:get_value(data_dir, Config),
+ {ok,loaded} = erl_ddll:try_load(Path, echo_drv, []),
+ Port = open_port({spawn, echo_drv}, [eof]),
+ Ref = erl_ddll:monitor(driver,{echo_drv,loaded}),
+ ok = receive {'UP',Ref,driver,echo_drv,loaded} -> ok after 500 -> error end,
+ {ok, pending_driver} = erl_ddll:try_unload(echo_drv,[]),
+ Ref2 = erl_ddll:monitor(driver,{echo_drv,loaded}),
+ ok = receive {'DOWN',Ref2,driver,echo_drv,load_cancelled} -> ok after 0 -> error end,
+ {ok,already_loaded} = erl_ddll:try_load(Path, echo_drv, []),
+ {ok, pending_driver} =
+ erl_ddll:try_load(Path, echo_drv, [{reload,pending_driver}]),
+ Ref3 = erl_ddll:monitor(driver,{echo_drv,loaded}),
+ Ref4 = erl_ddll:monitor(driver,{echo_drv,unloaded}),
+ ok = receive _ -> error after 300 -> ok end,
+ Self = self(),
+ [{Self,1}] = erl_ddll:info(echo_drv,awaiting_load),
+ true = erl_ddll:demonitor(Ref3),
+ [] = erl_ddll:info(echo_drv,awaiting_load),
+ erlang:port_close(Port),
+ ok = receive {'DOWN',Ref4,driver,echo_drv,unloaded} -> ok after 300 -> error end,
+ ok = receive _ -> error after 300 -> ok end,
+ ok = unload_expect_fast(echo_drv,[]),
ok.
%% Test the new load/unload/reload interface
new_interface(Config) when is_list(Config) ->
- ?line Path = proplists:get_value(data_dir, Config),
+ Path = proplists:get_value(data_dir, Config),
% Typical scenario
- ?line ok = erl_ddll:load(Path, echo_drv),
- ?line Port = open_port({spawn, echo_drv}, [eof]),
- ?line ok = erl_ddll:unload(echo_drv),
- ?line Port ! {self(), {command, "text"}},
- ?line ok = receive
- {Port, {data, "text"}} -> ok;
- _ -> error
- after
- 1000 -> error
- end,
- ?line Ref = erl_ddll:monitor(driver,{echo_drv,unloaded}),
- ?line ok = receive X -> {error, X} after 300 -> ok end,
- ?line erlang:port_close(Port),
- ?line ok = receive {'DOWN', Ref, driver, echo_drv, unloaded} -> ok after 300 -> error end,
+ ok = erl_ddll:load(Path, echo_drv),
+ Port = open_port({spawn, echo_drv}, [eof]),
+ ok = erl_ddll:unload(echo_drv),
+ Port ! {self(), {command, "text"}},
+ ok = receive
+ {Port, {data, "text"}} -> ok;
+ _ -> error
+ after
+ 1000 -> error
+ end,
+ Ref = erl_ddll:monitor(driver,{echo_drv,unloaded}),
+ ok = receive X -> {error, X} after 300 -> ok end,
+ erlang:port_close(Port),
+ ok = receive {'DOWN', Ref, driver, echo_drv, unloaded} -> ok after 300 -> error end,
% More than one user
- ?line ok = erl_ddll:load(Path, echo_drv),
- ?line Ref2 = erl_ddll:monitor(driver,{echo_drv,unloaded}),
- ?line ok = erl_ddll:load(Path, echo_drv),
- ?line ok = erl_ddll:load(Path, echo_drv),
- ?line Port2 = open_port({spawn, echo_drv}, [eof]),
- ?line ok = erl_ddll:unload(echo_drv),
- ?line Port2 ! {self(), {command, "text"}},
- ?line ok = receive
- {Port2, {data, "text"}} -> ok;
- _ -> error
- after
- 1000 -> error
- end,
- ?line ok = erl_ddll:unload(echo_drv),
- ?line Port2 ! {self(), {command, "text"}},
- ?line ok = receive
- {Port2, {data, "text"}} -> ok;
- _ -> error
- after
- 1000 -> error
- end,
- ?line ok = erl_ddll:unload(echo_drv),
- ?line Port2 ! {self(), {command, "text"}},
- ?line ok = receive
- {Port2, {data, "text"}} -> ok;
- _ -> error
- after
- 1000 -> error
- end,
- ?line ok = receive X2 -> {error, X2} after 300 -> ok end,
- ?line ok = erl_ddll:load(Path, echo_drv),
- ?line ok = receive {'UP', Ref2, driver, echo_drv, unload_cancelled} -> ok after 300 -> error end,
- ?line Ref3 = erl_ddll:monitor(driver,{echo_drv,unloaded_only}),
- ?line erlang:port_close(Port2),
- ?line ok = receive X3 -> {error, X3} after 300 -> ok end,
- ?line ok = erl_ddll:unload(echo_drv),
- ?line ok = receive {'DOWN', Ref3, driver, echo_drv, unloaded} -> ok after 300 -> error end,
+ ok = erl_ddll:load(Path, echo_drv),
+ Ref2 = erl_ddll:monitor(driver,{echo_drv,unloaded}),
+ ok = erl_ddll:load(Path, echo_drv),
+ ok = erl_ddll:load(Path, echo_drv),
+ Port2 = open_port({spawn, echo_drv}, [eof]),
+ ok = erl_ddll:unload(echo_drv),
+ Port2 ! {self(), {command, "text"}},
+ ok = receive
+ {Port2, {data, "text"}} -> ok;
+ _ -> error
+ after
+ 1000 -> error
+ end,
+ ok = erl_ddll:unload(echo_drv),
+ Port2 ! {self(), {command, "text"}},
+ ok = receive
+ {Port2, {data, "text"}} -> ok;
+ _ -> error
+ after
+ 1000 -> error
+ end,
+ ok = erl_ddll:unload(echo_drv),
+ Port2 ! {self(), {command, "text"}},
+ ok = receive
+ {Port2, {data, "text"}} -> ok;
+ _ -> error
+ after
+ 1000 -> error
+ end,
+ ok = receive X2 -> {error, X2} after 300 -> ok end,
+ ok = erl_ddll:load(Path, echo_drv),
+ ok = receive {'UP', Ref2, driver, echo_drv, unload_cancelled} -> ok after 300 -> error end,
+ Ref3 = erl_ddll:monitor(driver,{echo_drv,unloaded_only}),
+ erlang:port_close(Port2),
+ ok = receive X3 -> {error, X3} after 300 -> ok end,
+ ok = erl_ddll:unload(echo_drv),
+ ok = receive {'DOWN', Ref3, driver, echo_drv, unloaded} -> ok after 300 -> error end,
ok.
-
-
+
+
ddll_test(Config) when is_list(Config) ->
- ?line Path = proplists:get_value(data_dir, Config),
+ Path = proplists:get_value(data_dir, Config),
- %?line {error,{already_started,ErlDdllPid}} = erl_ddll:start(),
- %?line ErlDdllPid = whereis(ddll_server),
+ %{error,{already_started,ErlDdllPid}} = erl_ddll:start(),
+ %ErlDdllPid = whereis(ddll_server),
%% Load the echo driver and verify that it was loaded.
{ok,L1,L2}=load_echo_driver(Path),
%% Verify that the driver works.
- ?line Port = open_port({spawn, echo_drv}, [eof]),
- ?line {hej, "hopp",4711,123445567436543653} =
- erlang:port_call(Port,{hej, "hopp",4711,123445567436543653}),
- ?line {hej, "hopp",4711,123445567436543653} =
- erlang:port_call(Port,47,{hej, "hopp",4711,123445567436543653}),
- ?line Port ! {self(), {command, "text"}},
- ?line 1 = receive
- {Port, {data, "text"}} -> 1;
- _Other -> 2
- after
- 1000 -> 2
- end,
- ?line Port ! {self(), close},
- ?line receive {Port, closed} -> ok end,
-
-%% %% Unload the driver and verify that it was unloaded.
- ok = unload_echo_driver(L1,L2),
-
-%% %?line {error, {already_started, _}} = erl_ddll:start(),
+ Port = open_port({spawn, echo_drv}, [eof]),
+ {hej, "hopp",4711,123445567436543653} =
+ erlang:port_call(Port,{hej, "hopp",4711,123445567436543653}),
+ {hej, "hopp",4711,123445567436543653} =
+ erlang:port_call(Port,47,{hej, "hopp",4711,123445567436543653}),
+ Port ! {self(), {command, "text"}},
+ 1 = receive
+ {Port, {data, "text"}} -> 1;
+ _Other -> 2
+ after
+ 1000 -> 2
+ end,
+ Port ! {self(), close},
+ receive {Port, closed} -> ok end,
+
+ %% %% Unload the driver and verify that it was unloaded.
+ ok = unload_echo_driver(L1,L2),
+
+ %% %{error, {already_started, _}} = erl_ddll:start(),
ok.
%% Tests errors having to do with bad drivers.
errors(Config) when is_list(Config) ->
- ?line Path = proplists:get_value(data_dir, Config),
+ Path = proplists:get_value(data_dir, Config),
- ?line {ok, L1} = erl_ddll:loaded_drivers(),
+ {ok, L1} = erl_ddll:loaded_drivers(),
- ?line {error, {open_error, _}} = erl_ddll:load_driver(Path, bad_name),
- ?line {error, driver_init_failed} = erl_ddll:load_driver(Path, initfail_drv),
- ?line {error, bad_driver_name} = erl_ddll:load_driver(Path, wrongname_drv),
+ {error, {open_error, _}} = erl_ddll:load_driver(Path, bad_name),
+ {error, driver_init_failed} = erl_ddll:load_driver(Path, initfail_drv),
+ {error, bad_driver_name} = erl_ddll:load_driver(Path, wrongname_drv),
%% We assume that there is a statically linked driver named "ddll":
- ?line {error, linked_in_driver} = erl_ddll:unload_driver(efile),
- ?line {error, not_loaded} = erl_ddll:unload_driver("__pucko_driver__"),
-
+ {error, linked_in_driver} = erl_ddll:unload_driver(efile),
+ {error, not_loaded} = erl_ddll:unload_driver("__pucko_driver__"),
+
case os:type() of
- {unix, _} ->
- ?line {error, no_driver_init} =
- erl_ddll:load_driver(Path, noinit_drv);
- _ ->
- ok
+ {unix, _} ->
+ {error, no_driver_init} =
+ erl_ddll:load_driver(Path, noinit_drv);
+ _ ->
+ ok
end,
- ?line {ok, L1} = erl_ddll:loaded_drivers(),
+ {ok, L1} = erl_ddll:loaded_drivers(),
ok.
%% Check that drivers are unloaded when their reference count
%% reaches zero, and that they cannot be unloaded while
%% they are still referenced.
reference_count(Config) when is_list(Config) ->
- ?line Path = proplists:get_value(data_dir, Config),
+ Path = proplists:get_value(data_dir, Config),
%% Spawn a process that loads the driver (and holds a reference
%% to it).
Pid1=spawn_link(?MODULE, echo_loader, [Path, self()]),
receive
- {Pid1, echo_loaded} -> ok
+ {Pid1, echo_loaded} -> ok
after 2000 -> ct:fail("echo_loader failed to start.")
end,
Pid1 ! {self(), die},
- ?line test_server:sleep(200), % Give time to unload.
+ test_server:sleep(200), % Give time to unload.
% Verify that the driver was automaticly unloaded when the
% process died.
- ?line {error, not_loaded}=erl_ddll:unload_driver(echo_drv),
+ {error, not_loaded}=erl_ddll:unload_driver(echo_drv),
ok.
% Loads the echo driver, send msg to started, sits and waits to
% get a signal to die, then unloads the driver and terminates.
echo_loader(Path, Starter) ->
- ?line {ok, L1, L2}=load_echo_driver(Path),
- ?line Starter ! {self(), echo_loaded},
+ {ok, L1, L2}=load_echo_driver(Path),
+ Starter ! {self(), echo_loaded},
receive
- {Starter, die} ->
- ?line unload_echo_driver(L1,L2)
+ {Starter, die} ->
+ unload_echo_driver(L1,L2)
end.
% Loads the echo driver, send msg to started, sits and waits to
% get a signal to die, then unloads the driver and terminates.
nice_echo_loader(Path, Starter) ->
- ?line {ok, L1, L2}=load_nice_echo_driver(Path),
- ?line Starter ! {self(), echo_loaded},
+ {ok, L1, L2}=load_nice_echo_driver(Path),
+ Starter ! {self(), echo_loaded},
receive
- {Starter, die} ->
- ?line unload_echo_driver(L1,L2)
+ {Starter, die} ->
+ unload_echo_driver(L1,L2)
end.
%% Test that a port that uses a driver is killed when the
%% process that loaded the driver dies.
kill_port(Config) when is_list(Config) ->
- ?line Path = proplists:get_value(data_dir, Config),
+ Path = proplists:get_value(data_dir, Config),
%% Spawn a process that loads the driver (and holds a reference
%% to it).
- ?line Pid1=spawn(?MODULE, echo_loader, [Path, self()]),
- ?line receive
- {Pid1, echo_loaded} ->
- ok
- after 3000 ->
- ?line exit(Pid1, kill),
- ?line ct:fail("echo_loader failed to start.")
- end,
+ Pid1=spawn(?MODULE, echo_loader, [Path, self()]),
+ receive
+ {Pid1, echo_loaded} ->
+ ok
+ after 3000 ->
+ exit(Pid1, kill),
+ ct:fail("echo_loader failed to start.")
+ end,
% Spawn off a port that uses the driver.
- ?line Port = open_port({spawn, echo_drv}, [eof]),
+ Port = open_port({spawn, echo_drv}, [eof]),
% Kill the process / unload the driver.
- ?line process_flag(trap_exit, true),
- ?line exit(Pid1, kill),
- ?line test_server:sleep(200), % Give some time to unload.
- ?line {error, not_loaded} = erl_ddll:unload_driver(echo_drv),
+ process_flag(trap_exit, true),
+ exit(Pid1, kill),
+ test_server:sleep(200), % Give some time to unload.
+ {error, not_loaded} = erl_ddll:unload_driver(echo_drv),
% See if the port is killed.
receive
- {'EXIT', Port, Reason} ->
- io:format("Port exited with reason ~w", [Reason])
+ {'EXIT', Port, Reason} ->
+ io:format("Port exited with reason ~w", [Reason])
after 5000 ->
- ?line ct:fail("Echo port did not terminate.")
+ ct:fail("Echo port did not terminate.")
end,
ok.
%% Test that a port that uses a driver is not killed when the
%% process that loaded the driver dies and it's nicely opened.
dont_kill_port(Config) when is_list(Config) ->
- ?line Path = proplists:get_value(data_dir, Config),
+ Path = proplists:get_value(data_dir, Config),
%% Spawn a process that loads the driver (and holds a reference
%% to it).
- ?line Pid1=spawn(?MODULE, nice_echo_loader, [Path, self()]),
- ?line receive
- {Pid1, echo_loaded} ->
- ok
- after 3000 ->
- ?line exit(Pid1, kill),
- ?line ct:fail("echo_loader failed to start.")
- end,
+ Pid1=spawn(?MODULE, nice_echo_loader, [Path, self()]),
+ receive
+ {Pid1, echo_loaded} ->
+ ok
+ after 3000 ->
+ exit(Pid1, kill),
+ ct:fail("echo_loader failed to start.")
+ end,
% Spawn off a port that uses the driver.
- ?line Port = open_port({spawn, echo_drv}, [eof]),
+ Port = open_port({spawn, echo_drv}, [eof]),
% Kill the process / unload the driver.
- ?line process_flag(trap_exit, true),
- ?line exit(Pid1, kill),
- ?line test_server:sleep(200), % Give some time to unload.
- ?line {hej, "hopp",4711,123445567436543653} =
- erlang:port_call(Port,{hej, "hopp",4711,123445567436543653}),
- ?line [] = erl_ddll:info(echo_drv,processes),
+ process_flag(trap_exit, true),
+ exit(Pid1, kill),
+ test_server:sleep(200), % Give some time to unload.
+ {hej, "hopp",4711,123445567436543653} =
+ erlang:port_call(Port,{hej, "hopp",4711,123445567436543653}),
+ [] = erl_ddll:info(echo_drv,processes),
%% unload should work with no owner
- ?line ok = erl_ddll:unload_driver(echo_drv), %Kill ports while at it
+ ok = erl_ddll:unload_driver(echo_drv), %Kill ports while at it
% See if the port is killed.
receive
- {'EXIT', Port, Reason} ->
- io:format("Port exited with reason ~w", [Reason])
+ {'EXIT', Port, Reason} ->
+ io:format("Port exited with reason ~w", [Reason])
after 5000 ->
- ?line ct:fail("Echo port did not terminate.")
+ ct:fail("Echo port did not terminate.")
end,
ok.
%% Test that a process that loaded a driver
%% is the only process that can unload it.
properties(Config) when is_list(Config) ->
- ?line Path = proplists:get_value(data_dir, Config),
+ Path = proplists:get_value(data_dir, Config),
% Let another process load the echo driver.
Pid=spawn_link(?MODULE, echo_loader, [Path, self()]),
receive
- {Pid, echo_loaded} -> ok
+ {Pid, echo_loaded} -> ok
after 2000 -> ct:fail("echo_loader failed to start.")
end,
% Try to unload the driver from this process (the wrong one).
- ?line {error, _} = erl_ddll:unload_driver(echo_drv),
- ?line {ok, Drivers} = erl_ddll:loaded_drivers(),
- ?line case lists:member("echo_drv", Drivers) of
- true ->
- ok;
- false ->
- ct:fail("Unload from wrong process succeeded.")
- end,
+ {error, _} = erl_ddll:unload_driver(echo_drv),
+ {ok, Drivers} = erl_ddll:loaded_drivers(),
+ case lists:member("echo_drv", Drivers) of
+ true ->
+ ok;
+ false ->
+ ct:fail("Unload from wrong process succeeded.")
+ end,
% Unload the driver and terminate dummy process.
- ?line Pid ! {self(), die},
- ?line test_server:sleep(200), % Give time to unload.
+ Pid ! {self(), die},
+ test_server:sleep(200), % Give time to unload.
ok.
%% Load two drivers and unload them in load order.
load_and_unload(Config) when is_list(Config) ->
- ?line Path = proplists:get_value(data_dir, Config),
- ?line {ok, Loaded_drivers1} = erl_ddll:loaded_drivers(),
- ?line ok = erl_ddll:load_driver(Path, echo_drv),
- ?line ok = erl_ddll:load_driver(Path, dummy_drv),
- ?line ok = erl_ddll:unload_driver(echo_drv),
- ?line ok = erl_ddll:unload_driver(dummy_drv),
- ?line {ok, Loaded_drivers2} = erl_ddll:loaded_drivers(),
- ?line Set1 = ordsets:from_list(Loaded_drivers1),
- ?line Set2 = ordsets:from_list(Loaded_drivers2),
- ?line io:format("~p == ~p\n", [Loaded_drivers1, Loaded_drivers2]),
- ?line [] = ordsets:to_list(ordsets:subtract(Set2, Set1)),
+ Path = proplists:get_value(data_dir, Config),
+ {ok, Loaded_drivers1} = erl_ddll:loaded_drivers(),
+ ok = erl_ddll:load_driver(Path, echo_drv),
+ ok = erl_ddll:load_driver(Path, dummy_drv),
+ ok = erl_ddll:unload_driver(echo_drv),
+ ok = erl_ddll:unload_driver(dummy_drv),
+ {ok, Loaded_drivers2} = erl_ddll:loaded_drivers(),
+ Set1 = ordsets:from_list(Loaded_drivers1),
+ Set2 = ordsets:from_list(Loaded_drivers2),
+ io:format("~p == ~p\n", [Loaded_drivers1, Loaded_drivers2]),
+ [] = ordsets:to_list(ordsets:subtract(Set2, Set1)),
ok.
%% Check multiple calls to driver_lock_driver
lock_driver(Config) when is_list(Config) ->
- ?line Path = proplists:get_value(data_dir, Config),
- ?line {ok, _} = erl_ddll:try_load(Path, lock_drv, []),
- ?line Port1 = open_port({spawn, lock_drv}, [eof]),
- ?line Port2 = open_port({spawn, lock_drv}, [eof]),
- ?line true = erl_ddll:info(lock_drv,permanent),
- ?line erlang:port_close(Port1),
- ?line erlang:port_close(Port2),
+ Path = proplists:get_value(data_dir, Config),
+ {ok, _} = erl_ddll:try_load(Path, lock_drv, []),
+ Port1 = open_port({spawn, lock_drv}, [eof]),
+ Port2 = open_port({spawn, lock_drv}, [eof]),
+ true = erl_ddll:info(lock_drv,permanent),
+ erlang:port_close(Port1),
+ erlang:port_close(Port2),
ok.
-
+
% Load and unload the echo_drv driver.
% Make sure that the driver doesn't exist before we load it,
% and that it exists before we unload it.
load_echo_driver(Path) ->
- ?line {ok, L1} = erl_ddll:loaded_drivers(),
- ?line ok = erl_ddll:load_driver(Path, echo_drv),
- ?line {ok, L2} = erl_ddll:loaded_drivers(),
- ?line ["echo_drv"] = ordsets:to_list(subtract(ordsets:from_list(L2),
- ordsets:from_list(L1))),
+ {ok, L1} = erl_ddll:loaded_drivers(),
+ ok = erl_ddll:load_driver(Path, echo_drv),
+ {ok, L2} = erl_ddll:loaded_drivers(),
+ ["echo_drv"] = ordsets:to_list(subtract(ordsets:from_list(L2),
+ ordsets:from_list(L1))),
{ok,L1,L2}.
load_nice_echo_driver(Path) ->
- ?line {ok, L1} = erl_ddll:loaded_drivers(),
- ?line ok = erl_ddll:load(Path, echo_drv),
- ?line {ok, L2} = erl_ddll:loaded_drivers(),
- ?line ["echo_drv"] = ordsets:to_list(subtract(ordsets:from_list(L2),
- ordsets:from_list(L1))),
+ {ok, L1} = erl_ddll:loaded_drivers(),
+ ok = erl_ddll:load(Path, echo_drv),
+ {ok, L2} = erl_ddll:loaded_drivers(),
+ ["echo_drv"] = ordsets:to_list(subtract(ordsets:from_list(L2),
+ ordsets:from_list(L1))),
{ok,L1,L2}.
unload_echo_driver(L1,L2) ->
- ?line {ok, L2} = erl_ddll:loaded_drivers(),
- ?line ok = erl_ddll:unload_driver(echo_drv),
- ?line {ok, L3} = erl_ddll:loaded_drivers(),
- ?line [] = ordsets:to_list(subtract(ordsets:from_list(L3),
- ordsets:from_list(L1))),
+ {ok, L2} = erl_ddll:loaded_drivers(),
+ ok = erl_ddll:unload_driver(echo_drv),
+ {ok, L3} = erl_ddll:loaded_drivers(),
+ [] = ordsets:to_list(subtract(ordsets:from_list(L3),
+ ordsets:from_list(L1))),
ok.
unload_expect_fast(Driver,XFlags) ->
{ok, pending_driver, Ref} =
- erl_ddll:try_unload(Driver,
- [{monitor,pending_driver}]++XFlags),
+ erl_ddll:try_unload(Driver,
+ [{monitor,pending_driver}]++XFlags),
receive
- {'DOWN', Ref, driver, Driver, unloaded} ->
- case lists:member(atom_to_list(Driver),element(2,erl_ddll:loaded_drivers())) of
- true ->
- {error, {still_there, Driver}};
- false ->
- ok
- end
+ {'DOWN', Ref, driver, Driver, unloaded} ->
+ case lists:member(atom_to_list(Driver),element(2,erl_ddll:loaded_drivers())) of
+ true ->
+ {error, {still_there, Driver}};
+ false ->
+ ok
+ end
after 1000 ->
- {error,{unable_to_unload, Driver}}
+ {error,{unable_to_unload, Driver}}
end.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-17 21:15:26 +0000