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-rw-r--r--lib/kernel/test/Makefile3
-rw-r--r--lib/kernel/test/application_SUITE.erl15
-rw-r--r--lib/kernel/test/error_handler_SUITE.erl68
-rw-r--r--lib/kernel/test/file_SUITE.erl133
-rw-r--r--lib/kernel/test/gen_tcp_echo_SUITE.erl2
-rw-r--r--lib/kernel/test/gen_tcp_misc_SUITE.erl82
-rw-r--r--lib/kernel/test/global_SUITE.erl35
-rw-r--r--lib/kernel/test/ignore_cores.erl2
-rw-r--r--lib/kernel/test/inet_SUITE.erl2
-rw-r--r--lib/kernel/test/os_SUITE.erl2
-rw-r--r--lib/kernel/test/pdict_SUITE.erl2
-rw-r--r--lib/kernel/test/prim_file_SUITE.erl74
12 files changed, 375 insertions, 45 deletions
diff --git a/lib/kernel/test/Makefile b/lib/kernel/test/Makefile
index 7fd3afe93c..cb11d4e899 100644
--- a/lib/kernel/test/Makefile
+++ b/lib/kernel/test/Makefile
@@ -1,7 +1,7 @@
#
# %CopyrightBegin%
#
-# Copyright Ericsson AB 1997-2012. All Rights Reserved.
+# Copyright Ericsson AB 1997-2013. All Rights Reserved.
#
# The contents of this file are subject to the Erlang Public License,
# Version 1.1, (the "License"); you may not use this file except in
@@ -48,6 +48,7 @@ MODULES= \
erl_distribution_SUITE \
erl_distribution_wb_SUITE \
erl_prim_loader_SUITE \
+ error_handler_SUITE \
error_logger_SUITE \
error_logger_warn_SUITE \
file_SUITE \
diff --git a/lib/kernel/test/application_SUITE.erl b/lib/kernel/test/application_SUITE.erl
index f469a0af98..0452202467 100644
--- a/lib/kernel/test/application_SUITE.erl
+++ b/lib/kernel/test/application_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2011. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2013. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -27,7 +27,7 @@
otp_1586/1, otp_2078/1, otp_2012/1, otp_2718/1, otp_2973/1,
otp_3002/1, otp_3184/1, otp_4066/1, otp_4227/1, otp_5363/1,
otp_5606/1,
- start_phases/1, get_key/1,
+ start_phases/1, get_key/1, get_env/1,
permit_false_start_local/1, permit_false_start_dist/1, script_start/1,
nodedown_start/1, init2973/0, loop2973/0, loop5606/1]).
@@ -49,7 +49,7 @@ all() ->
[failover, failover_comp, permissions, load,
load_use_cache, {group, reported_bugs}, start_phases,
script_start, nodedown_start, permit_false_start_local,
- permit_false_start_dist, get_key,
+ permit_false_start_dist, get_key, get_env,
{group, distr_changed}, config_change, shutdown_func, shutdown_timeout].
groups() ->
@@ -1503,6 +1503,15 @@ loop5606(Pid) ->
Pid ! {self(), Res}
end.
+get_env(suite) -> [];
+get_env(doc) ->
+ ["Tests get_env/* functions"];
+get_env(Conf) when is_list(Conf) ->
+ {ok, _} = application:get_env(kernel, error_logger),
+ undefined = application:get_env(undefined_app, a),
+ undefined = application:get_env(kernel, error_logger_xyz),
+ default = application:get_env(kernel, error_logger_xyz, default),
+ ok.
%%-----------------------------------------------------------------
%% Should be started in a CC view with:
diff --git a/lib/kernel/test/error_handler_SUITE.erl b/lib/kernel/test/error_handler_SUITE.erl
new file mode 100644
index 0000000000..2a86d39b74
--- /dev/null
+++ b/lib/kernel/test/error_handler_SUITE.erl
@@ -0,0 +1,68 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2013. All Rights Reserved.
+%%
+%% The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%%
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%%
+%% %CopyrightEnd%
+%%
+-module(error_handler_SUITE).
+
+-export([all/0,suite/0,groups/0,init_per_suite/1,end_per_suite/1,
+ init_per_group/2,end_per_group/2,
+ undefined_function_handler/1]).
+
+%% Callback from error_handler.
+-export(['$handle_undefined_function'/2]).
+
+suite() -> [{ct_hooks,[ts_install_cth]}].
+
+all() ->
+ [undefined_function_handler].
+
+groups() ->
+ [].
+
+init_per_suite(Config) ->
+ Config.
+
+end_per_suite(_Config) ->
+ ok.
+
+init_per_group(_GroupName, Config) ->
+ Config.
+
+end_per_group(_GroupName, Config) ->
+ Config.
+
+
+%%-----------------------------------------------------------------
+
+undefined_function_handler(_) ->
+ 42 = ?MODULE:forty_two(),
+ 42 = (id(?MODULE)):forty_two(),
+ {ok,{a,b,c}} = ?MODULE:one_arg({a,b,c}),
+ {ok,{a,b,c}} = (id(?MODULE)):one_arg({a,b,c}),
+ {'EXIT',{undef,[{?MODULE,undef_and_not_handled,[[1,2,3]],[]}|_]}} =
+ (catch ?MODULE:undef_and_not_handled([1,2,3])),
+ ok.
+
+'$handle_undefined_function'(forty_two, []) ->
+ 42;
+'$handle_undefined_function'(one_arg, [Arg]) ->
+ {ok,Arg};
+'$handle_undefined_function'(Func, Args) ->
+ error_handler:raise_undef_exception(?MODULE, Func, Args).
+
+id(I) ->
+ I.
diff --git a/lib/kernel/test/file_SUITE.erl b/lib/kernel/test/file_SUITE.erl
index 9c507fd437..ac991b1111 100644
--- a/lib/kernel/test/file_SUITE.erl
+++ b/lib/kernel/test/file_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2012. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2013. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -60,7 +60,8 @@
-export([ read_not_really_compressed/1,
read_compressed_cooked/1, read_compressed_cooked_binary/1,
read_cooked_tar_problem/1,
- write_compressed/1, compress_errors/1, catenated_gzips/1]).
+ write_compressed/1, compress_errors/1, catenated_gzips/1,
+ compress_async_crash/1]).
-export([ make_link/1, read_link_info_for_non_link/1, symlinks/1]).
@@ -84,6 +85,8 @@
-export([advise/1]).
+-export([allocate/1]).
+
-export([standard_io/1,mini_server/1]).
%% Debug exports
@@ -116,7 +119,7 @@ groups() ->
{files, [],
[{group, open}, {group, pos}, {group, file_info},
{group, consult}, {group, eval}, {group, script},
- truncate, sync, datasync, advise]},
+ truncate, sync, datasync, advise, allocate]},
{open, [],
[open1, old_modes, new_modes, path_open, close, access,
read_write, pread_write, append, open_errors,
@@ -133,7 +136,8 @@ groups() ->
{compression, [],
[read_compressed_cooked, read_compressed_cooked_binary,
read_cooked_tar_problem, read_not_really_compressed,
- write_compressed, compress_errors, catenated_gzips]},
+ write_compressed, compress_errors, catenated_gzips,
+ compress_async_crash]},
{links, [],
[make_link, read_link_info_for_non_link, symlinks]}].
@@ -228,7 +232,7 @@ mini_server(Parent) ->
receive
die ->
ok;
- {io_request,From,To,{put_chars,Data}} ->
+ {io_request,From,To,{put_chars,_Encoding,Data}} ->
Parent ! {io_request,From,To,{put_chars,Data}},
From ! {io_reply, To, ok},
mini_server(Parent);
@@ -1617,6 +1621,74 @@ advise(Config) when is_list(Config) ->
?line test_server:timetrap_cancel(Dog),
ok.
+allocate(suite) -> [];
+allocate(doc) -> "Tests that ?FILE_MODULE:allocate/3 at least doesn't crash.";
+allocate(Config) when is_list(Config) ->
+ ?line Dog = test_server:timetrap(test_server:seconds(5)),
+ ?line PrivDir = ?config(priv_dir, Config),
+ ?line Allocate = filename:join(PrivDir,
+ atom_to_list(?MODULE)
+ ++"_allocate.fil"),
+
+ Line1 = "Hello\n",
+ Line2 = "World!\n",
+
+ ?line {ok, Fd} = ?FILE_MODULE:open(Allocate, [write, binary]),
+ allocate_and_assert(Fd, 1, iolist_size([Line1, Line2])),
+ ?line ok = io:format(Fd, "~s", [Line1]),
+ ?line ok = io:format(Fd, "~s", [Line2]),
+ ?line ok = ?FILE_MODULE:close(Fd),
+
+ ?line {ok, Fd2} = ?FILE_MODULE:open(Allocate, [write, binary]),
+ allocate_and_assert(Fd2, 1, iolist_size(Line1)),
+ ?line ok = io:format(Fd2, "~s", [Line1]),
+ ?line ok = io:format(Fd2, "~s", [Line2]),
+ ?line ok = ?FILE_MODULE:close(Fd2),
+
+ ?line {ok, Fd3} = ?FILE_MODULE:open(Allocate, [write, binary]),
+ allocate_and_assert(Fd3, 1, iolist_size(Line1) + 1),
+ ?line ok = io:format(Fd3, "~s", [Line1]),
+ ?line ok = io:format(Fd3, "~s", [Line2]),
+ ?line ok = ?FILE_MODULE:close(Fd3),
+
+ ?line {ok, Fd4} = ?FILE_MODULE:open(Allocate, [write, binary]),
+ allocate_and_assert(Fd4, 1, 4 * iolist_size([Line1, Line2])),
+ ?line ok = io:format(Fd4, "~s", [Line1]),
+ ?line ok = io:format(Fd4, "~s", [Line2]),
+ ?line ok = ?FILE_MODULE:close(Fd4),
+
+ ?line [] = flush(),
+ ?line test_server:timetrap_cancel(Dog),
+ ok.
+
+allocate_and_assert(Fd, Offset, Length) ->
+ % Just verify that calls to ?PRIM_FILE:allocate/3 don't crash or have
+ % any other negative side effect. We can't really asssert against a
+ % specific return value, because support for file space pre-allocation
+ % depends on the OS, OS version and underlying filesystem.
+ %
+ % The Linux kernel added support for fallocate() in version 2.6.23,
+ % which currently works only for the ext4, ocfs2, xfs and btrfs file
+ % systems. posix_fallocate() is available in glibc as of version
+ % 2.1.94, but it was buggy until glibc version 2.7.
+ %
+ % Mac OS X, as of version 10.3, supports the fcntl operation F_PREALLOCATE.
+ %
+ % Solaris supports posix_fallocate() but only for the UFS file system
+ % apparently (not supported for ZFS).
+ %
+ % FreeBSD 9.0 is the first FreeBSD release supporting posix_fallocate().
+ %
+ % For Windows there's apparently no way to pre-allocate file space, at
+ % least with same semantics as posix_fallocate(), fallocate() and
+ % fcntl F_PREALLOCATE.
+ Result = ?FILE_MODULE:allocate(Fd, Offset, Length),
+ case os:type() of
+ {win32, _} ->
+ ?line {error, enotsup} = Result;
+ _ ->
+ ?line _ = Result
+ end.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -2242,6 +2314,57 @@ compress_errors(Config) when is_list(Config) ->
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+compress_async_crash(suite) -> [];
+compress_async_crash(doc) -> [];
+compress_async_crash(Config) when is_list(Config) ->
+ ?line DataDir = ?config(data_dir, Config),
+ ?line Path = filename:join(DataDir, "test.gz"),
+ ExpectedData = <<"qwerty">>,
+
+ ?line _ = ?FILE_MODULE:delete(Path),
+ ?line {ok, Fd} = ?FILE_MODULE:open(Path, [write, binary, compressed]),
+ ?line ok = ?FILE_MODULE:write(Fd, ExpectedData),
+ ?line ok = ?FILE_MODULE:close(Fd),
+
+ % Test that when using async thread pool, the emulator doesn't crash
+ % when the efile port driver is stopped while a compressed file operation
+ % is in progress (being carried by an async thread).
+ ?line ok = compress_async_crash_loop(10000, Path, ExpectedData),
+ ?line ok = ?FILE_MODULE:delete(Path),
+ ok.
+
+compress_async_crash_loop(0, _Path, _ExpectedData) ->
+ ok;
+compress_async_crash_loop(N, Path, ExpectedData) ->
+ Parent = self(),
+ {Pid, Ref} = spawn_monitor(
+ fun() ->
+ ?line {ok, Fd} = ?FILE_MODULE:open(
+ Path, [read, compressed, raw, binary]),
+ Len = byte_size(ExpectedData),
+ Parent ! {self(), continue},
+ ?line {ok, ExpectedData} = ?FILE_MODULE:read(Fd, Len),
+ ?line ok = ?FILE_MODULE:close(Fd),
+ receive foobar -> ok end
+ end),
+ receive
+ {Pid, continue} ->
+ exit(Pid, shutdown),
+ receive
+ {'DOWN', Ref, _, _, Reason} ->
+ ?line shutdown = Reason
+ end;
+ {'DOWN', Ref, _, _, Reason2} ->
+ test_server:fail({worker_exited, Reason2})
+ after 60000 ->
+ exit(Pid, shutdown),
+ erlang:demonitor(Ref, [flush]),
+ test_server:fail(worker_timeout)
+ end,
+ compress_async_crash_loop(N - 1, Path, ExpectedData).
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
altname(doc) ->
"Test the file:altname/1 function";
altname(suite) ->
diff --git a/lib/kernel/test/gen_tcp_echo_SUITE.erl b/lib/kernel/test/gen_tcp_echo_SUITE.erl
index 94f95798a0..9bc66dbae0 100644
--- a/lib/kernel/test/gen_tcp_echo_SUITE.erl
+++ b/lib/kernel/test/gen_tcp_echo_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2011. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2013. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
diff --git a/lib/kernel/test/gen_tcp_misc_SUITE.erl b/lib/kernel/test/gen_tcp_misc_SUITE.erl
index 5d45b91ee5..a72e76f813 100644
--- a/lib/kernel/test/gen_tcp_misc_SUITE.erl
+++ b/lib/kernel/test/gen_tcp_misc_SUITE.erl
@@ -42,12 +42,13 @@
killing_acceptor/1,killing_multi_acceptors/1,killing_multi_acceptors2/1,
several_accepts_in_one_go/1, accept_system_limit/1,
active_once_closed/1, send_timeout/1, send_timeout_active/1,
- otp_7731/1, zombie_sockets/1, otp_7816/1, otp_8102/1,
+ otp_7731/1, zombie_sockets/1, otp_7816/1, otp_8102/1, wrapping_oct/1,
otp_9389/1]).
%% Internal exports.
-export([sender/3, not_owner/1, passive_sockets_server/2, priority_server/1,
- otp_7731_server/1, zombie_server/2]).
+ oct_acceptor/1,
+ otp_7731_server/1, zombie_server/2, do_iter_max_socks/2]).
init_per_testcase(_Func, Config) when is_list(Config) ->
Dog = test_server:timetrap(test_server:seconds(240)),
@@ -75,6 +76,7 @@ all() ->
killing_acceptor, killing_multi_acceptors,
killing_multi_acceptors2, several_accepts_in_one_go, accept_system_limit,
active_once_closed, send_timeout, send_timeout_active, otp_7731,
+ wrapping_oct,
zombie_sockets, otp_7816, otp_8102, otp_9389].
groups() ->
@@ -589,7 +591,13 @@ iter_max_socks(doc) ->
"that we get the same number of sockets every time."];
iter_max_socks(Config) when is_list(Config) ->
N = 20,
- L = do_iter_max_socks(N, initalize),
+ %% Run on a different node in order to limit the effect if this test fails.
+ Dir = filename:dirname(code:which(?MODULE)),
+ {ok,Node} = test_server:start_node(test_iter_max_socks,slave,
+ [{args,"-pa " ++ Dir}]),
+ L = rpc:call(Node,?MODULE,do_iter_max_socks,[N, initalize]),
+ test_server:stop_node(Node),
+
io:format("Result: ~p",[L]),
all_equal(L),
{comment, "Max sockets: " ++ integer_to_list(hd(L))}.
@@ -2575,3 +2583,71 @@ otp_9389_loop(S, OrigLinkHdr, State) ->
3000 ->
?line error({timeout,header})
end.
+
+wrapping_oct(doc) ->
+ "Check that 64bit octet counters work.";
+wrapping_oct(suite) ->
+ [];
+wrapping_oct(Config) when is_list(Config) ->
+ Dog = test_server:timetrap(test_server:seconds(600)),
+ {ok,Sock} = gen_tcp:listen(0,[{active,false},{mode,binary}]),
+ {ok,Port} = inet:port(Sock),
+ spawn_link(?MODULE,oct_acceptor,[Sock]),
+ Res = oct_datapump(Port,16#1FFFFFFFF),
+ gen_tcp:close(Sock),
+ test_server:timetrap_cancel(Dog),
+ ok = Res,
+ ok.
+
+oct_datapump(Port,N) ->
+ {ok,Sock} = gen_tcp:connect("localhost",Port,
+ [{active,false},{mode,binary}]),
+ oct_pump(Sock,N,binary:copy(<<$a:8>>,100000),0).
+
+oct_pump(S,N,_,_) when N =< 0 ->
+ gen_tcp:close(S),
+ ok;
+oct_pump(S,N,Bin,Last) ->
+ case gen_tcp:send(S,Bin) of
+ ok ->
+ {ok,Stat}=inet:getstat(S),
+ {_,R}=lists:keyfind(send_oct,1,Stat),
+ case (R < Last) of
+ true ->
+ io:format("ERROR (output) ~p < ~p~n",[R,Last]),
+ output_counter_error;
+ false ->
+ oct_pump(S,N-byte_size(Bin),Bin,R)
+ end;
+ _ ->
+ input_counter_error
+ end.
+
+
+oct_acceptor(Sock) ->
+ {ok,Data} = gen_tcp:accept(Sock),
+ oct_aloop(Data,0,0).
+
+oct_aloop(S,X,Times) ->
+ case gen_tcp:recv(S,0) of
+ {ok,_} ->
+ {ok,Stat}=inet:getstat(S),
+ {_,R}=lists:keyfind(recv_oct,1,Stat),
+ case (R < X) of
+ true ->
+ io:format("ERROR ~p < ~p~n",[R,X]),
+ gen_tcp:close(S),
+ input_counter_error;
+ false ->
+ case Times rem 16#FFFFF of
+ 0 ->
+ io:format("Read: ~p~n",[R]);
+ _ ->
+ ok
+ end,
+ oct_aloop(S,R,Times+1)
+ end;
+ _ ->
+ gen_tcp:close(S),
+ closed
+ end.
diff --git a/lib/kernel/test/global_SUITE.erl b/lib/kernel/test/global_SUITE.erl
index b40c50f79f..9428a38660 100644
--- a/lib/kernel/test/global_SUITE.erl
+++ b/lib/kernel/test/global_SUITE.erl
@@ -91,27 +91,9 @@ end_per_group(_GroupName, Config) ->
Config.
init_per_suite(Config) ->
-
- %% Copied from test_server_ctrl ln 647, we have to do this here as
- %% the test_server only does this when run without common_test
- global:sync(),
- case global:whereis_name(test_server) of
- undefined ->
- io:format(user, "Registering test_server globally!~n",[]),
- global:register_name(test_server, whereis(test_server_ctrl));
- Pid ->
- case node() of
- N when N == node(Pid) ->
- io:format(user, "Warning: test_server already running!\n", []),
- global:re_register_name(test_server,self());
- _ ->
- ok
- end
- end,
Config.
end_per_suite(_Config) ->
- global:unregister_name(test_server),
ok.
@@ -135,8 +117,7 @@ end_per_testcase(_Case, Config) ->
?line write_high_level_trace(Config),
?line _ =
gen_server:call(global_name_server, high_level_trace_stop, infinity),
- ?line[global:unregister_name(N) || N <- global:registered_names(),
- N =/= test_server],
+ [global:unregister_name(N) || N <- global:registered_names()],
?line InitRegistered = ?registered,
?line Registered = registered(),
?line [io:format("~s local names: ~p~n", [What, N]) ||
@@ -1840,16 +1821,16 @@ do_otp_3162(StartFun, Config) ->
?line ?UNTIL
([Cp3] =:= lists:sort(rpc:call(Cp1, erlang, nodes, [])) -- [node()]),
- ?line ?UNTIL([kalle, test_server, vera] =:=
+ ?UNTIL([kalle, vera] =:=
lists:sort(rpc:call(Cp1, global, registered_names, []))),
?line ?UNTIL
([Cp3] =:= lists:sort(rpc:call(Cp2, erlang, nodes, [])) -- [node()]),
- ?line ?UNTIL([stina, test_server, vera] =:=
+ ?UNTIL([stina, vera] =:=
lists:sort(rpc:call(Cp2, global, registered_names, []))),
?line ?UNTIL
([Cp1, Cp2] =:=
lists:sort(rpc:call(Cp3, erlang, nodes, [])) -- [node()]),
- ?line ?UNTIL([kalle, stina, test_server, vera] =:=
+ ?UNTIL([kalle, stina, vera] =:=
lists:sort(rpc:call(Cp3, global, registered_names, []))),
?line pong = rpc:call(Cp2, net_adm, ping, [Cp1]),
@@ -1860,17 +1841,17 @@ do_otp_3162(StartFun, Config) ->
?line
?UNTIL(begin
NN = lists:sort(rpc:call(Cp1, global, registered_names, [])),
- [kalle, stina, test_server, vera] =:= NN
+ [kalle, stina, vera] =:= NN
end),
?line ?UNTIL
([Cp1, Cp3] =:=
lists:sort(rpc:call(Cp2, erlang, nodes, [])) -- [node()]),
- ?line ?UNTIL([kalle, stina, test_server, vera] =:=
+ ?UNTIL([kalle, stina, vera] =:=
lists:sort(rpc:call(Cp2, global, registered_names, []))),
?line ?UNTIL
([Cp1, Cp2] =:=
lists:sort(rpc:call(Cp3, erlang, nodes, [])) -- [node()]),
- ?line ?UNTIL([kalle, stina, test_server, vera] =:=
+ ?UNTIL([kalle, stina, vera] =:=
lists:sort(rpc:call(Cp3, global, registered_names, []))),
write_high_level_trace(Config),
@@ -4154,7 +4135,7 @@ init_condition(Config) ->
{"Global Locks (ETS)", global_locks},
{"Global Pid Names (ETS)", global_pid_names},
{"Global Pid Ids (ETS)", global_pid_ids}]],
- ?UNTIL([test_server] =:= global:registered_names()),
+ ?UNTIL([] =:= global:registered_names()),
?UNTIL([] =:= nodes()),
?UNTIL([node()] =:= get_known(node())),
ok.
diff --git a/lib/kernel/test/ignore_cores.erl b/lib/kernel/test/ignore_cores.erl
index 8b1ac0fe6c..d4bb02df3f 100644
--- a/lib/kernel/test/ignore_cores.erl
+++ b/lib/kernel/test/ignore_cores.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2008-2010. All Rights Reserved.
+%% Copyright Ericsson AB 2008-2013. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
diff --git a/lib/kernel/test/inet_SUITE.erl b/lib/kernel/test/inet_SUITE.erl
index e5e1794514..1f7724d0dc 100644
--- a/lib/kernel/test/inet_SUITE.erl
+++ b/lib/kernel/test/inet_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2011. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2013. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
diff --git a/lib/kernel/test/os_SUITE.erl b/lib/kernel/test/os_SUITE.erl
index 3f2195b609..382fd6f6a9 100644
--- a/lib/kernel/test/os_SUITE.erl
+++ b/lib/kernel/test/os_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2011. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2013. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
diff --git a/lib/kernel/test/pdict_SUITE.erl b/lib/kernel/test/pdict_SUITE.erl
index 60b818cbe3..98cff0222e 100644
--- a/lib/kernel/test/pdict_SUITE.erl
+++ b/lib/kernel/test/pdict_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1999-2011. All Rights Reserved.
+%% Copyright Ericsson AB 1999-2013. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
diff --git a/lib/kernel/test/prim_file_SUITE.erl b/lib/kernel/test/prim_file_SUITE.erl
index a56746bbc4..4e93a593b3 100644
--- a/lib/kernel/test/prim_file_SUITE.erl
+++ b/lib/kernel/test/prim_file_SUITE.erl
@@ -57,6 +57,8 @@
%% System probe functions that might be handy to check from the shell
-export([unix_free/1]).
+-export([allocate/1]).
+
-include_lib("test_server/include/test_server.hrl").
-include_lib("kernel/include/file.hrl").
@@ -87,7 +89,7 @@ groups() ->
cur_dir_1a, cur_dir_1b]},
{files, [],
[{group, open}, {group, pos}, {group, file_info},
- truncate, sync, datasync, advise, large_write]},
+ truncate, sync, datasync, advise, large_write, allocate]},
{open, [],
[open1, modes, close, access, read_write, pread_write,
append, exclusive]},
@@ -1359,6 +1361,76 @@ check_large_write(Dog, Fd, _, _, []) ->
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+allocate(suite) -> [];
+allocate(doc) -> "Tests that ?PRIM_FILE:allocate/3 at least doesn't crash.";
+allocate(Config) when is_list(Config) ->
+ ?line Dog = test_server:timetrap(test_server:seconds(5)),
+ ?line PrivDir = ?config(priv_dir, Config),
+ ?line Allocate = filename:join(PrivDir,
+ atom_to_list(?MODULE)
+ ++"_allocate.fil"),
+
+ Line1 = "Hello\n",
+ Line2 = "World!\n",
+
+ ?line {ok, Fd} = ?PRIM_FILE:open(Allocate, [write, binary]),
+ allocate_and_assert(Fd, 1, iolist_size([Line1, Line2])),
+ ?line ok = ?PRIM_FILE:write(Fd, Line1),
+ ?line ok = ?PRIM_FILE:write(Fd, Line2),
+ ?line ok = ?PRIM_FILE:close(Fd),
+
+ ?line {ok, Fd2} = ?PRIM_FILE:open(Allocate, [write, binary]),
+ allocate_and_assert(Fd2, 1, iolist_size(Line1)),
+ ?line ok = ?PRIM_FILE:write(Fd2, Line1),
+ ?line ok = ?PRIM_FILE:write(Fd2, Line2),
+ ?line ok = ?PRIM_FILE:close(Fd2),
+
+ ?line {ok, Fd3} = ?PRIM_FILE:open(Allocate, [write, binary]),
+ allocate_and_assert(Fd3, 1, iolist_size(Line1) + 1),
+ ?line ok = ?PRIM_FILE:write(Fd3, Line1),
+ ?line ok = ?PRIM_FILE:write(Fd3, Line2),
+ ?line ok = ?PRIM_FILE:close(Fd3),
+
+ ?line {ok, Fd4} = ?PRIM_FILE:open(Allocate, [write, binary]),
+ allocate_and_assert(Fd4, 1, 4 * iolist_size([Line1, Line2])),
+ ?line ok = ?PRIM_FILE:write(Fd4, Line1),
+ ?line ok = ?PRIM_FILE:write(Fd4, Line2),
+ ?line ok = ?PRIM_FILE:close(Fd4),
+
+ ?line test_server:timetrap_cancel(Dog),
+ ok.
+
+allocate_and_assert(Fd, Offset, Length) ->
+ % Just verify that calls to ?PRIM_FILE:allocate/3 don't crash or have
+ % any other negative side effect. We can't really asssert against a
+ % specific return value, because support for file space pre-allocation
+ % depends on the OS, OS version and underlying filesystem.
+ %
+ % The Linux kernel added support for fallocate() in version 2.6.23,
+ % which currently works only for the ext4, ocfs2, xfs and btrfs file
+ % systems. posix_fallocate() is available in glibc as of version
+ % 2.1.94, but it was buggy until glibc version 2.7.
+ %
+ % Mac OS X, as of version 10.3, supports the fcntl operation F_PREALLOCATE.
+ %
+ % Solaris supports posix_fallocate() but only for the UFS file system
+ % apparently (not supported for ZFS).
+ %
+ % FreeBSD 9.0 is the first FreeBSD release supporting posix_fallocate().
+ %
+ % For Windows there's apparently no way to pre-allocate file space, at
+ % least with similar API/semantics as posix_fallocate(), fallocate() or
+ % fcntl F_PREALLOCATE.
+ Result = ?PRIM_FILE:allocate(Fd, Offset, Length),
+ case os:type() of
+ {win32, _} ->
+ ?line {error, enotsup} = Result;
+ _ ->
+ ?line _ = Result
+ end.
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
delete_a(suite) -> [];
delete_a(doc) -> [];
delete_a(Config) when is_list(Config) ->