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-rw-r--r--lib/dialyzer/test/small_SUITE_data/src/maps_redef2.erl23
-rw-r--r--lib/mnesia/doc/src/Mnesia_chap5.xmlsrc1
-rw-r--r--lib/mnesia/doc/src/mnesia.xml16
-rw-r--r--lib/mnesia/src/mnesia_controller.erl29
-rw-r--r--lib/mnesia/src/mnesia_dumper.erl60
-rw-r--r--lib/mnesia/src/mnesia_loader.erl7
-rw-r--r--lib/mnesia/src/mnesia_monitor.erl4
-rw-r--r--lib/ssl/src/ssl.appup.src8
-rw-r--r--lib/ssl/test/Makefile1
-rw-r--r--lib/ssl/test/ssl_pem_cache_SUITE.erl2
-rw-r--r--lib/ssl/test/ssl_upgrade_SUITE.erl162
-rw-r--r--lib/ssl/vsn.mk2
-rw-r--r--system/doc/getting_started/conc_prog.xml4
-rw-r--r--system/doc/getting_started/records_macros.xml2
-rw-r--r--system/doc/getting_started/robustness.xml6
-rw-r--r--system/doc/programming_examples/fun_test.erl8
16 files changed, 286 insertions, 49 deletions
diff --git a/lib/dialyzer/test/small_SUITE_data/src/maps_redef2.erl b/lib/dialyzer/test/small_SUITE_data/src/maps_redef2.erl
new file mode 100644
index 0000000000..945b2a9144
--- /dev/null
+++ b/lib/dialyzer/test/small_SUITE_data/src/maps_redef2.erl
@@ -0,0 +1,23 @@
+%% In 17, the linter says that map(A) redefines 'type map', which is
+%% allowed until next release. However, Dialyzer used to replace
+%% map(A) with #{}, which resulted in warnings.
+
+-module(maps_redef2).
+
+-export([t/0]).
+
+-type map(_A) :: integer().
+
+t() ->
+ M = new(),
+ t1(M).
+
+-spec t1(map(_)) -> map(_).
+
+t1(A) ->
+ A + A.
+
+-spec new() -> map(_).
+
+new() ->
+ 3.
diff --git a/lib/mnesia/doc/src/Mnesia_chap5.xmlsrc b/lib/mnesia/doc/src/Mnesia_chap5.xmlsrc
index 65b950bd46..127c23e0f7 100644
--- a/lib/mnesia/doc/src/Mnesia_chap5.xmlsrc
+++ b/lib/mnesia/doc/src/Mnesia_chap5.xmlsrc
@@ -867,6 +867,7 @@ ok
</section>
<section>
+ <marker id="event_handling"></marker>
<title>Mnesia Event Handling</title>
<p>System events and table events are the two categories of events
that Mnesia will generate in various situations.
diff --git a/lib/mnesia/doc/src/mnesia.xml b/lib/mnesia/doc/src/mnesia.xml
index c23c2cb226..856a7594a7 100644
--- a/lib/mnesia/doc/src/mnesia.xml
+++ b/lib/mnesia/doc/src/mnesia.xml
@@ -863,7 +863,7 @@ mnesia:create_table(person,
{attributes, record_info(fields,person)}]).
</code>
<p>The specification of <c>index</c> and <c>attributes</c> may be
- hard coded as <c>{index, [2]}</c> and
+ hard coded as <c>{index, [4]}</c> and
<c>{attributes, [name, age, address, salary, children]}</c>
respectively.
</p>
@@ -2188,12 +2188,13 @@ mnesia:create_table(employee,
</desc>
</func>
<func>
- <name>subscribe(EventCategory)</name>
+ <name>subscribe(EventCategory) -> {ok, Node} | {error, Reason} </name>
<fsummary>Subscribe to events of type <c>EventCategory</c>.</fsummary>
<desc>
<p>Ensures that a copy of all events of type
<c>EventCategory</c> are sent to the caller. The event
- types available are described in the Mnesia User's Guide.</p>
+ types available are described in the Mnesia User's Guide at <seealso marker="Mnesia_chap5#event_handling">Mnesia Event Handling</seealso>.</p>
+ <p><c>Node</c> is the local node. For table events to be subscribed, mnesia must have a readable local copy of the table on the node.</p>
</desc>
</func>
<func>
@@ -2861,11 +2862,12 @@ raise(Name, Amount) ->
</desc>
</func>
<func>
- <name>unsubscribe(EventCategory)</name>
+ <name>unsubscribe(EventCategory) -> {ok, Node} | {error, Reason} </name>
<fsummary>Subscribe to events of type <c>EventCategory</c>.</fsummary>
<desc>
<p>Stops sending events of type
<c>EventCategory</c> to the caller.</p>
+ <p><c>Node</c> is the local node.</p>
</desc>
</func>
<func>
@@ -3017,6 +3019,12 @@ raise(Name, Amount) ->
totally unpredictable.</p>
</item>
<item>
+ <p><c>-mnesia dump_disc_copies_at_startup true | false</c>.
+ If set to false, this disables the dumping of <c>disc_copies</c>
+ tables during startup while tables are being loaded. The default
+ is true.</p>
+ </item>
+ <item>
<p><c>-mnesia dump_log_load_regulation true | false</c>.
Controls if the log dumps should be performed as fast as
possible or if the dumper should do its own load
diff --git a/lib/mnesia/src/mnesia_controller.erl b/lib/mnesia/src/mnesia_controller.erl
index 5a9bae54da..aa72de7594 100644
--- a/lib/mnesia/src/mnesia_controller.erl
+++ b/lib/mnesia/src/mnesia_controller.erl
@@ -51,6 +51,7 @@
force_load_table/1,
async_dump_log/1,
sync_dump_log/1,
+ snapshot_dcd/1,
connect_nodes/1,
connect_nodes/2,
wait_for_schema_commit_lock/0,
@@ -139,7 +140,8 @@ max_loaders() ->
-record(block_controller, {owner}).
-record(dump_log, {initiated_by,
- opt_reply_to
+ opt_reply_to,
+ operation = dump_log
}).
-record(net_load, {table,
@@ -201,6 +203,15 @@ async_dump_log(InitBy) ->
?SERVER_NAME ! {async_dump_log, InitBy},
ok.
+snapshot_dcd(Tables) when is_list(Tables) ->
+ case [T || T <- Tables,
+ mnesia_lib:storage_type_at_node(node(), T) =/= disc_copies] of
+ [] ->
+ call({snapshot_dcd, Tables});
+ BadTabs ->
+ {error, {not_disc_copies, BadTabs}}
+ end.
+
%% Wait for tables to be active
%% If needed, we will wait for Mnesia to start
%% If Mnesia stops, we will wait for Mnesia to restart
@@ -646,6 +657,15 @@ handle_call({sync_dump_log, InitBy}, From, State) ->
State2 = add_worker(Worker, State),
noreply(State2);
+handle_call({snapshot_dcd, Tables}, From, State) ->
+ Worker = #dump_log{initiated_by = user,
+ opt_reply_to = From,
+ operation = fun() ->
+ mnesia_dumper:snapshot_dcd(Tables)
+ end},
+ State2 = add_worker(Worker, State),
+ noreply(State2);
+
handle_call(wait_for_schema_commit_lock, From, State) ->
Worker = #schema_commit_lock{owner = From},
State2 = add_worker(Worker, State),
@@ -2089,7 +2109,12 @@ start_remote_sender(Node, Tab, Receiver, Storage) ->
dump_and_reply(ReplyTo, Worker) ->
%% No trap_exit, die intentionally instead
- Res = mnesia_dumper:opt_dump_log(Worker#dump_log.initiated_by),
+ Res = case Worker#dump_log.operation of
+ dump_log ->
+ mnesia_dumper:opt_dump_log(Worker#dump_log.initiated_by);
+ F when is_function(F, 0) ->
+ F()
+ end,
ReplyTo ! #dumper_done{worker_pid = self(),
worker_res = Res},
unlink(ReplyTo),
diff --git a/lib/mnesia/src/mnesia_dumper.erl b/lib/mnesia/src/mnesia_dumper.erl
index 14665797a0..509b765dee 100644
--- a/lib/mnesia/src/mnesia_dumper.erl
+++ b/lib/mnesia/src/mnesia_dumper.erl
@@ -34,11 +34,13 @@
-export([
get_log_writes/0,
incr_log_writes/0,
+ needs_dump_ets/1,
raw_dump_table/2,
raw_named_dump_table/2,
start_regulator/0,
opt_dump_log/1,
- update/3
+ update/3,
+ snapshot_dcd/1
]).
%% Internal stuff
@@ -99,6 +101,19 @@ opt_dump_log(InitBy) ->
end,
perform_dump(InitBy, Reg).
+snapshot_dcd(Tables) ->
+ lists:foreach(
+ fun(Tab) ->
+ case mnesia_lib:storage_type_at_node(node(), Tab) of
+ disc_copies ->
+ mnesia_log:ets2dcd(Tab);
+ _ ->
+ %% Storage type was checked before queueing the op, though
+ skip
+ end
+ end, Tables),
+ dumped.
+
%% Scan for decisions
perform_dump(InitBy, Regulator) when InitBy == scan_decisions ->
?eval_debug_fun({?MODULE, perform_dump}, [InitBy]),
@@ -981,28 +996,10 @@ open_files(_Tab, _Storage, _UpdateInPlace, _InitBy) ->
false.
open_disc_copies(Tab, InitBy) ->
- DclF = mnesia_lib:tab2dcl(Tab),
- DumpEts =
- case file:read_file_info(DclF) of
- {error, enoent} ->
- false;
- {ok, DclInfo} ->
- DcdF = mnesia_lib:tab2dcd(Tab),
- case file:read_file_info(DcdF) of
- {error, Reason} ->
- mnesia_lib:dbg_out("File ~p info_error ~p ~n",
- [DcdF, Reason]),
- true;
- {ok, DcdInfo} ->
- Mul = case ?catch_val(dc_dump_limit) of
- {'EXIT', _} -> ?DumpToEtsMultiplier;
- Val -> Val
- end,
- DcdInfo#file_info.size =< (DclInfo#file_info.size * Mul)
- end
- end,
+ DumpEts = needs_dump_ets(Tab),
if
DumpEts == false; InitBy == startup ->
+ DclF = mnesia_lib:tab2dcl(Tab),
mnesia_log:open_log({?MODULE,Tab},
mnesia_log:dcl_log_header(),
DclF,
@@ -1017,6 +1014,27 @@ open_disc_copies(Tab, InitBy) ->
false
end.
+needs_dump_ets(Tab) ->
+ DclF = mnesia_lib:tab2dcl(Tab),
+ case file:read_file_info(DclF) of
+ {error, enoent} ->
+ false;
+ {ok, DclInfo} ->
+ DcdF = mnesia_lib:tab2dcd(Tab),
+ case file:read_file_info(DcdF) of
+ {error, Reason} ->
+ mnesia_lib:dbg_out("File ~p info_error ~p ~n",
+ [DcdF, Reason]),
+ true;
+ {ok, DcdInfo} ->
+ Mul = case ?catch_val(dc_dump_limit) of
+ {'EXIT', _} -> ?DumpToEtsMultiplier;
+ Val -> Val
+ end,
+ DcdInfo#file_info.size =< (DclInfo#file_info.size * Mul)
+ end
+ end.
+
%% Always opens the dcl file for writing overriding already_dumped
%% mechanismen, used for schema transactions.
open_dcl(Tab) ->
diff --git a/lib/mnesia/src/mnesia_loader.erl b/lib/mnesia/src/mnesia_loader.erl
index 530317bcdd..cbb3d7e430 100644
--- a/lib/mnesia/src/mnesia_loader.erl
+++ b/lib/mnesia/src/mnesia_loader.erl
@@ -69,9 +69,10 @@ do_get_disc_copy2(Tab, Reason, Storage, Type) when Storage == disc_copies ->
ignore;
_ ->
mnesia_monitor:mktab(Tab, Args),
- Count = mnesia_log:dcd2ets(Tab, Repair),
- case ets:info(Tab, size) of
- X when X < Count * 4 ->
+ _Count = mnesia_log:dcd2ets(Tab, Repair),
+ case mnesia_monitor:get_env(dump_disc_copies_at_startup)
+ andalso mnesia_dumper:needs_dump_ets(Tab) of
+ true ->
ok = mnesia_log:ets2dcd(Tab);
_ ->
ignore
diff --git a/lib/mnesia/src/mnesia_monitor.erl b/lib/mnesia/src/mnesia_monitor.erl
index 6fc1a394a6..a0e0e630ec 100644
--- a/lib/mnesia/src/mnesia_monitor.erl
+++ b/lib/mnesia/src/mnesia_monitor.erl
@@ -664,6 +664,7 @@ env() ->
backup_module,
debug,
dir,
+ dump_disc_copies_at_startup,
dump_log_load_regulation,
dump_log_time_threshold,
dump_log_update_in_place,
@@ -692,6 +693,8 @@ default_env(debug) ->
default_env(dir) ->
Name = lists:concat(["Mnesia.", node()]),
filename:absname(Name);
+default_env(dump_disc_copies_at_startup) ->
+ true;
default_env(dump_log_load_regulation) ->
false;
default_env(dump_log_time_threshold) ->
@@ -741,6 +744,7 @@ do_check_type(debug, trace) -> trace;
do_check_type(debug, true) -> debug;
do_check_type(debug, verbose) -> verbose;
do_check_type(dir, V) -> filename:absname(V);
+do_check_type(dump_disc_copies_at_startup, B) -> bool(B);
do_check_type(dump_log_load_regulation, B) -> bool(B);
do_check_type(dump_log_time_threshold, I) when is_integer(I), I > 0 -> I;
do_check_type(dump_log_update_in_place, B) -> bool(B);
diff --git a/lib/ssl/src/ssl.appup.src b/lib/ssl/src/ssl.appup.src
index 7986722094..1476336039 100644
--- a/lib/ssl/src/ssl.appup.src
+++ b/lib/ssl/src/ssl.appup.src
@@ -1,14 +1,14 @@
%% -*- erlang -*-
{"%VSN%",
[
- {<<"5\\.3\\.[1-7]($|\\..*)">>, [{restart_application, ssl}]},
- {<<"5\\.[0-2]($|\\..*)">>, [{restart_application, ssl}]},
+ {<<"6\\..*">>, [{restart_application, ssl}]},
+ {<<"5\\..*">>, [{restart_application, ssl}]},
{<<"4\\..*">>, [{restart_application, ssl}]},
{<<"3\\..*">>, [{restart_application, ssl}]}
],
[
- {<<"5\\.3\\.[1-7]($|\\..*)">>, [{restart_application, ssl}]},
- {<<"5\\.[0-2]($|\\..*)">>, [{restart_application, ssl}]},
+ {<<"6\\..*">>, [{restart_application, ssl}]},
+ {<<"5\\..*">>, [{restart_application, ssl}]},
{<<"4\\..*">>, [{restart_application, ssl}]},
{<<"3\\..*">>, [{restart_application, ssl}]}
]
diff --git a/lib/ssl/test/Makefile b/lib/ssl/test/Makefile
index 90a6c3aa42..09cc5981e7 100644
--- a/lib/ssl/test/Makefile
+++ b/lib/ssl/test/Makefile
@@ -51,6 +51,7 @@ MODULES = \
ssl_session_cache_SUITE \
ssl_to_openssl_SUITE \
ssl_ECC_SUITE \
+ ssl_upgrade_SUITE\
make_certs\
erl_make_certs
diff --git a/lib/ssl/test/ssl_pem_cache_SUITE.erl b/lib/ssl/test/ssl_pem_cache_SUITE.erl
index 36c2a17a50..843079e2fe 100644
--- a/lib/ssl/test/ssl_pem_cache_SUITE.erl
+++ b/lib/ssl/test/ssl_pem_cache_SUITE.erl
@@ -121,7 +121,7 @@ get_pem_cache() ->
end.
later()->
- DateTime = calendar:now_to_local_time(erlang:timestamp()),
+ DateTime = calendar:now_to_local_time(os:timestamp()),
Gregorian = calendar:datetime_to_gregorian_seconds(DateTime),
calendar:gregorian_seconds_to_datetime(Gregorian + (2 * ?CLEANUP_INTERVAL)).
diff --git a/lib/ssl/test/ssl_upgrade_SUITE.erl b/lib/ssl/test/ssl_upgrade_SUITE.erl
new file mode 100644
index 0000000000..6a6a1b4a7a
--- /dev/null
+++ b/lib/ssl/test/ssl_upgrade_SUITE.erl
@@ -0,0 +1,162 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2014-2015. 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/.2
+%%
+%% 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(ssl_upgrade_SUITE).
+
+%% Note: This directive should only be used in test suites.
+-compile(export_all).
+
+-include_lib("common_test/include/ct.hrl").
+
+-record(state, {
+ config,
+ server,
+ client,
+ soft
+ }).
+
+all() ->
+ [
+ minor_upgrade,
+ major_upgrade
+ ].
+
+init_per_suite(Config0) ->
+ catch crypto:stop(),
+ try crypto:start() of
+ ok ->
+ case ct_release_test:init(Config0) of
+ {skip, Reason} ->
+ {skip, Reason};
+ Config ->
+ Result =
+ (catch make_certs:all(?config(data_dir, Config),
+ ?config(priv_dir, Config))),
+ ct:log("Make certs ~p~n", [Result]),
+ ssl_test_lib:cert_options(Config)
+ end
+ catch _:_ ->
+ {skip, "Crypto did not start"}
+ end.
+
+end_per_suite(Config) ->
+ ct_release_test:cleanup(Config),
+ crypto:stop().
+
+init_per_testcase(_TestCase, Config) ->
+ Config.
+end_per_testcase(_TestCase, Config) ->
+ Config.
+
+major_upgrade(Config) when is_list(Config) ->
+ ct_release_test:upgrade(ssl, major,{?MODULE, #state{config = Config}}, Config).
+
+minor_upgrade(Config) when is_list(Config) ->
+ ct_release_test:upgrade(ssl, minor,{?MODULE, #state{config = Config}}, Config).
+
+upgrade_init(CTData, #state{config = Config} = State) ->
+ {ok, {_, _, Up, _Down}} = ct_release_test:get_appup(CTData, ssl),
+ ct:pal("Up: ~p", [Up]),
+ Soft = is_soft(Up), %% It is symmetrical, if upgrade is soft so is downgrade
+ case Soft of
+ true ->
+ {Server, Client} = soft_start_connection(Config),
+ State#state{server = Server, client = Client,
+ soft = Soft};
+ false ->
+ State#state{soft = Soft}
+ end.
+
+upgrade_upgraded(_, #state{soft = false, config = Config} = State) ->
+ {Server, Client} = restart_start_connection(Config),
+ ssl_test_lib:check_result(Server, ok, Client, ok),
+ ssl_test_lib:close(Server),
+ ssl_test_lib:close(Client),
+ State;
+
+upgrade_upgraded(_, #state{server = Server0, client = Client0,
+ config = Config, soft = true} = State) ->
+ Server0 ! changed_version,
+ Client0 ! changed_version,
+ ssl_test_lib:check_result(Server0, ok, Client0, ok),
+ ssl_test_lib:close(Server0),
+ ssl_test_lib:close(Client0),
+ {Server, Client} = soft_start_connection(Config),
+ State#state{server = Server, client = Client}.
+
+upgrade_downgraded(_, #state{soft = false, config = Config} = State) ->
+ {Server, Client} = restart_start_connection(Config),
+ ssl_test_lib:check_result(Server, ok, Client, ok),
+ ssl_test_lib:close(Server),
+ ssl_test_lib:close(Client),
+ State;
+
+upgrade_downgraded(_, #state{server = Server, client = Client, soft = true} = State) ->
+ Server ! changed_version,
+ Client ! changed_version,
+ ssl_test_lib:check_result(Server, ok, Client, ok),
+ ssl_test_lib:close(Server),
+ ssl_test_lib:close(Client),
+ State.
+
+use_connection(Socket) ->
+ ssl_test_lib:send_recv_result_active(Socket),
+ receive
+ changed_version ->
+ ssl_test_lib:send_recv_result_active(Socket)
+ end.
+
+soft_start_connection(Config) ->
+ ClientOpts = ?config(client_verification_opts, Config),
+ ServerOpts = ?config(server_verification_opts, Config),
+ {ClientNode, ServerNode, Hostname} = ssl_test_lib:run_where(Config),
+ Server = ssl_test_lib:start_server([{node, ServerNode}, {port, 0},
+ {from, self()},
+ {mfa, {?MODULE, use_connection, []}},
+ {options, ServerOpts}]),
+
+ Port = ssl_test_lib:inet_port(Server),
+ Client = ssl_test_lib:start_client([{node, ClientNode}, {port, Port},
+ {host, Hostname},
+ {from, self()},
+ {mfa, {?MODULE, use_connection, []}},
+ {options, ClientOpts}]),
+ {Server, Client}.
+
+restart_start_connection(Config) ->
+ ClientOpts = ?config(client_verification_opts, Config),
+ ServerOpts = ?config(server_verification_opts, Config),
+ {ClientNode, ServerNode, Hostname} = ssl_test_lib:run_where(Config),
+ Server = ssl_test_lib:start_server([{node, ServerNode}, {port, 0},
+ {from, self()},
+ {mfa, {ssl_test_lib, send_recv_result_active, []}},
+ {options, ServerOpts}]),
+
+ Port = ssl_test_lib:inet_port(Server),
+ Client = ssl_test_lib:start_client([{node, ClientNode}, {port, Port},
+ {host, Hostname},
+ {from, self()},
+ {mfa, {ssl_test_lib, send_recv_result_active, []}},
+ {options, ClientOpts}]),
+ {Server, Client}.
+
+is_soft([{restart_application, ssl}]) ->
+ false;
+is_soft(_) ->
+ true.
+
diff --git a/lib/ssl/vsn.mk b/lib/ssl/vsn.mk
index bda974da0e..171147adf2 100644
--- a/lib/ssl/vsn.mk
+++ b/lib/ssl/vsn.mk
@@ -1 +1 @@
-SSL_VSN = 5.3.8
+SSL_VSN = 7.0
diff --git a/system/doc/getting_started/conc_prog.xml b/system/doc/getting_started/conc_prog.xml
index 6c513162c0..2b64826a93 100644
--- a/system/doc/getting_started/conc_prog.xml
+++ b/system/doc/getting_started/conc_prog.xml
@@ -538,7 +538,7 @@ ping finished</pre>
<p>Before we start, let's note the following:</p>
<list type="bulleted">
<item>
- <p>This example will just show the message passing logic- no
+ <p>This example will just show the message passing logic - no
attempt at all has been made to provide a nice graphical user
interface. This can, of course, also be done in Erlang - but
that's another tutorial.</p>
@@ -571,7 +571,7 @@ ping finished</pre>
%%% already logged in at the same node, login will be rejected
%%% with a suitable error message.
%%% logoff()
-%%% Logs off anybody at at node
+%%% Logs off anybody at that node
%%% message(ToName, Message)
%%% sends Message to ToName. Error messages if the user of this
%%% function is not logged on or if ToName is not logged on at
diff --git a/system/doc/getting_started/records_macros.xml b/system/doc/getting_started/records_macros.xml
index 2922962134..73c8ce5c8d 100644
--- a/system/doc/getting_started/records_macros.xml
+++ b/system/doc/getting_started/records_macros.xml
@@ -97,7 +97,7 @@
%%% with a suitable error message.
%%% logoff()
-%%% Logs off anybody at at node
+%%% Logs off anybody at that node
%%% message(ToName, Message)
%%% sends Message to ToName. Error messages if the user of this
diff --git a/system/doc/getting_started/robustness.xml b/system/doc/getting_started/robustness.xml
index b97940d388..e8fb81d5e8 100644
--- a/system/doc/getting_started/robustness.xml
+++ b/system/doc/getting_started/robustness.xml
@@ -214,9 +214,9 @@ Ping received pong</pre>
signal to be sent to "pong" which will also terminate.</p>
<p>It is possible to modify the default behaviour of a process so
that it does not get killed when it receives abnormal exit
- signals, but all signals will be turned into normal messages on
+ signals, but all signals will be turned into normal messages with
the format <c>{'EXIT',FromPID,Reason}</c> and added to the end of
- the receiving processes message queue. This behaviour is set by:</p>
+ the receiving process' message queue. This behaviour is set by:</p>
<code type="none">
process_flag(trap_exit, true)</code>
<p>There are several other process flags, see
@@ -289,7 +289,7 @@ pong exiting, got {'EXIT',&lt;3820.39.0>,ping}</pre>
%%% already logged in at the same node, login will be rejected
%%% with a suitable error message.
%%% logoff()
-%%% Logs off anybody at at node
+%%% Logs off anybody at that node
%%% message(ToName, Message)
%%% sends Message to ToName. Error messages if the user of this
%%% function is not logged on or if ToName is not logged on at
diff --git a/system/doc/programming_examples/fun_test.erl b/system/doc/programming_examples/fun_test.erl
index 8472fd87f8..8a3b0106c0 100644
--- a/system/doc/programming_examples/fun_test.erl
+++ b/system/doc/programming_examples/fun_test.erl
@@ -1,17 +1,11 @@
%1
-module(fun_test).
--export([t1/0, t2/0, t3/0, t4/0, double/1]).
+-export([t1/0, t2/0]).
-import(lists, [map/2]).
t1() -> map(fun(X) -> 2 * X end, [1,2,3,4,5]).
t2() -> map(fun double/1, [1,2,3,4,5]).
-t3() -> map({?MODULE, double}, [1,2,3,4,5]).
-
double(X) -> X * 2.
%1
-
-
-t4() ->
- "hello world".
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-24 14:09:56 +0000