aboutsummaryrefslogtreecommitdiffstats
path: root/lib/kernel
diff options
context:
space:
mode:
Diffstat (limited to 'lib/kernel')
-rw-r--r--lib/kernel/doc/src/code.xml4
-rw-r--r--lib/kernel/doc/src/inet.xml33
-rw-r--r--lib/kernel/doc/src/logger_chapter.xml14
-rw-r--r--lib/kernel/src/erts_debug.erl58
-rw-r--r--lib/kernel/src/inet_config.erl2
-rw-r--r--lib/kernel/src/inet_dns.erl2
-rw-r--r--lib/kernel/src/net_kernel.erl2
-rw-r--r--lib/kernel/test/code_SUITE.erl12
-rw-r--r--lib/kernel/test/inet_SUITE.erl2
-rw-r--r--lib/kernel/test/inet_res_SUITE.erl2
-rw-r--r--lib/kernel/test/init_SUITE.erl2
-rw-r--r--lib/kernel/test/seq_trace_SUITE.erl7
12 files changed, 113 insertions, 27 deletions
diff --git a/lib/kernel/doc/src/code.xml b/lib/kernel/doc/src/code.xml
index 85178da930..4aa9e8b9d2 100644
--- a/lib/kernel/doc/src/code.xml
+++ b/lib/kernel/doc/src/code.xml
@@ -538,7 +538,7 @@ zip:create("mnesia-4.4.7.ez",
</item>
<tag><c>not_purged</c></tag>
<item>
- <p>The object code can not be loaded because an old version
+ <p>The object code cannot be loaded because an old version
of the code already exists.</p>
</item>
<tag><c>sticky_directory</c></tag>
@@ -611,7 +611,7 @@ ok = code:finish_loading(Prepared),
<taglist>
<tag><c>not_purged</c></tag>
<item>
- <p>The object code can not be loaded because an old version
+ <p>The object code cannot be loaded because an old version
of the code already exists.</p>
</item>
<tag><c>sticky_directory</c></tag>
diff --git a/lib/kernel/doc/src/inet.xml b/lib/kernel/doc/src/inet.xml
index 104c698591..709ba8e8fd 100644
--- a/lib/kernel/doc/src/inet.xml
+++ b/lib/kernel/doc/src/inet.xml
@@ -1007,13 +1007,34 @@ get_tcpi_sacked(Sock) ->
<marker id="option-linger"></marker>
</item>
<tag><c>{linger, {true|false, Seconds}}</c></tag>
- <item>
+ <item>
<p>Determines the time-out, in seconds, for flushing unsent data
- in the <c>close/1</c> socket call. If the first component of
- the value tuple is <c>false</c>, the second is ignored. This
- means that <c>close/1</c> returns immediately, not waiting
- for data to be flushed. Otherwise, the second component is
- the flushing time-out, in seconds.</p>
+ in the <c>close/1</c> socket call. </p>
+ <p>The first component is if linger is enabled, the second component
+ is the flushing time-out, in seconds. There are 3 alternatives:</p>
+ <taglist>
+ <tag><c>{false, _}</c></tag>
+ <item>
+ <p>close/1 or shutdown/2 returns immediately,
+ not waiting for data to be flushed, with closing
+ happening in the background.</p>
+ </item>
+ <tag><c>{true, 0}</c></tag>
+ <item>
+ <p>Aborts the connection when it is closed.
+ Discards any data still remaining in the send buffers
+ and sends RST to the peer.</p>
+ <p>This avoids TCP's TIME_WAIT state, but leaves open
+ the possibility that another "incarnation" of this connection
+ being created.</p>
+ </item>
+ <tag><c>{true, Time} when Time > 0</c></tag>
+ <item>
+ <p>close/1 or shutdown/2 will not return until
+ all queued messages for the socket have been successfully
+ sent or the linger timeout (Time) has been reached.</p>
+ </item>
+ </taglist>
</item>
<tag><c>{low_msgq_watermark, Size}</c></tag>
<item>
diff --git a/lib/kernel/doc/src/logger_chapter.xml b/lib/kernel/doc/src/logger_chapter.xml
index 5ed7397135..03b9edcf8f 100644
--- a/lib/kernel/doc/src/logger_chapter.xml
+++ b/lib/kernel/doc/src/logger_chapter.xml
@@ -212,13 +212,13 @@
<pre>fun((<seealso marker="logger#type-report"><c>logger:report()</c></seealso>,<seealso marker="logger#type-report_cb_config"><c>logger:report_cb_config()</c></seealso>) -> <seealso marker="stdlib:unicode#type-chardata"><c>unicode:chardata()</c></seealso>)
</pre>
<p>The fun must obey the <c>depth</c> and <c>chars_limit</c>
- parameters provided in the second argument, as the formatter can
- not do anything useful of these parameters with the returned
- string. The extra data also contains a field named
- <c>single_line</c>, indicating if the printed log message may
- contain line breaks or not. This variant is used when the
- formatting of the report depends on the size or single line
- parameters.</p>
+ parameters provided in the second argument, as the formatter
+ cannot do anything useful of these parameters with the
+ returned string. The extra data also contains a field named
+ <c>single_line</c>, indicating if the printed log message may
+ contain line breaks or not. This variant is used when the
+ formatting of the report depends on the size or single line
+ parameters.</p>
<p>Example, format string and arguments:</p>
<code>logger:error("The file does not exist: ~ts",[Filename])</code>
<p>Example, string:</p>
diff --git a/lib/kernel/src/erts_debug.erl b/lib/kernel/src/erts_debug.erl
index 1270de4144..c4d276f9e8 100644
--- a/lib/kernel/src/erts_debug.erl
+++ b/lib/kernel/src/erts_debug.erl
@@ -36,7 +36,8 @@
map_info/1, same/2, set_internal_state/2,
size_shared/1, copy_shared/1, dirty_cpu/2, dirty_io/2, dirty/3,
lcnt_control/1, lcnt_control/2, lcnt_collect/0, lcnt_clear/0,
- lc_graph/0, lc_graph_to_dot/2, lc_graph_merge/2]).
+ lc_graph/0, lc_graph_to_dot/2, lc_graph_merge/2,
+ alloc_blocks_size/1]).
-spec breakpoint(MFA, Flag) -> non_neg_integer() when
MFA :: {Module :: module(),
@@ -495,3 +496,58 @@ lcg_print_locks(Out, [LastLock]) ->
lcg_print_locks(Out, [Lock | Rest]) ->
io:format(Out, "~w,\n", [Lock]),
lcg_print_locks(Out, Rest).
+
+
+%% Returns the amount of memory allocated by the given allocator type.
+-spec alloc_blocks_size(Type) -> non_neg_integer() | undefined when
+ Type :: atom().
+
+alloc_blocks_size(Type) ->
+ Allocs = erlang:system_info(alloc_util_allocators),
+ Sizes = erlang:system_info({allocator_sizes, Allocs}),
+ alloc_blocks_size_1(Sizes, Type, 0).
+
+alloc_blocks_size_1([], _Type, 0) ->
+ undefined;
+alloc_blocks_size_1([{_Type, false} | Rest], Type, Acc) ->
+ alloc_blocks_size_1(Rest, Type, Acc);
+alloc_blocks_size_1([{Type, Instances} | Rest], Type, Acc0) ->
+ F = fun ({instance, _, L}, Acc) ->
+ MBCSPool = case lists:keyfind(mbcs_pool, 1, L) of
+ {_, Pool} -> Pool;
+ false -> []
+ end,
+ {_,MBCS} = lists:keyfind(mbcs, 1, L),
+ {_,SBCS} = lists:keyfind(sbcs, 1, L),
+ Acc +
+ sum_block_sizes(MBCSPool) +
+ sum_block_sizes(MBCS) +
+ sum_block_sizes(SBCS)
+ end,
+ alloc_blocks_size_1(Rest, Type, lists:foldl(F, Acc0, Instances));
+alloc_blocks_size_1([{_Type, Instances} | Rest], Type, Acc0) ->
+ F = fun ({instance, _, L}, Acc) ->
+ Acc + sum_foreign_sizes(Type, L)
+ end,
+ alloc_blocks_size_1(Rest, Type, lists:foldl(F, Acc0, Instances));
+alloc_blocks_size_1([], _Type, Acc) ->
+ Acc.
+
+sum_foreign_sizes(Type, L) ->
+ case lists:keyfind(mbcs_pool, 1, L) of
+ {_,Pool} ->
+ {_,ForeignBlocks} = lists:keyfind(foreign_blocks, 1, Pool),
+ case lists:keyfind(Type, 1, ForeignBlocks) of
+ {_,TypeSizes} -> sum_block_sizes(TypeSizes);
+ false -> 0
+ end;
+ _ ->
+ 0
+ end.
+
+sum_block_sizes(Blocks) ->
+ lists:foldl(
+ fun({blocks_size, Sz,_,_}, Sz0) -> Sz0+Sz;
+ ({blocks_size, Sz}, Sz0) -> Sz0+Sz;
+ (_, Sz) -> Sz
+ end, 0, Blocks).
diff --git a/lib/kernel/src/inet_config.erl b/lib/kernel/src/inet_config.erl
index 9f76360b8b..e771461b65 100644
--- a/lib/kernel/src/inet_config.erl
+++ b/lib/kernel/src/inet_config.erl
@@ -98,7 +98,7 @@ init() ->
{win32,WinType} ->
win32_load_from_registry(WinType);
_ ->
- error("can not read win32 system registry~n", [])
+ error("cannot read win32 system registry~n", [])
end
end, CfgFiles),
diff --git a/lib/kernel/src/inet_dns.erl b/lib/kernel/src/inet_dns.erl
index f1f58bc872..6c98d2aab7 100644
--- a/lib/kernel/src/inet_dns.erl
+++ b/lib/kernel/src/inet_dns.erl
@@ -699,7 +699,7 @@ encode_labels(Bin, Comp0, Pos, [L|Ls]=Labels)
none ->
Comp = if Pos < (3 bsl 14) ->
%% Just in case - compression
- %% pointers can not reach further
+ %% pointers cannot reach further
gb_trees:insert(Labels, Pos, Comp0);
true -> Comp0
end,
diff --git a/lib/kernel/src/net_kernel.erl b/lib/kernel/src/net_kernel.erl
index a9dc77837e..4915193196 100644
--- a/lib/kernel/src/net_kernel.erl
+++ b/lib/kernel/src/net_kernel.erl
@@ -1433,7 +1433,7 @@ validate_hostname([$@|HostPart] = Host) ->
end.
valid_name_head(Head) ->
- {ok, MP} = re:compile("^[0-9A-Za-z_\\-]*$", [unicode]),
+ {ok, MP} = re:compile("^[0-9A-Za-z_\\-]+$", [unicode]),
case re:run(Head, MP) of
{match, _} ->
true;
diff --git a/lib/kernel/test/code_SUITE.erl b/lib/kernel/test/code_SUITE.erl
index 1314316c13..64e0b9d8dd 100644
--- a/lib/kernel/test/code_SUITE.erl
+++ b/lib/kernel/test/code_SUITE.erl
@@ -525,7 +525,7 @@ upgrade(Config) ->
T = [beam, hipe],
[upgrade_do(DataDir, Client, T) || Client <- T],
- case hipe:llvm_support_available() of
+ case hipe:erllvm_is_supported() of
false -> ok;
true ->
T2 = [beam, hipe_llvm],
@@ -1021,6 +1021,13 @@ mult_lib_remove_prefix([H|T1], [H|T2]) ->
mult_lib_remove_prefix([$/|T], []) -> T.
bad_erl_libs(Config) when is_list(Config) ->
+ %% Preserve ERL_LIBS if set.
+ BadLibs0 = "/no/such/dir",
+ BadLibs =
+ case os:getenv("ERL_LIBS") of
+ false -> BadLibs0;
+ Libs -> BadLibs0 ++ ":" ++ Libs
+ end,
{ok,Node} =
test_server:start_node(bad_erl_libs, slave, []),
Code = rpc:call(Node,code,get_path,[]),
@@ -1028,10 +1035,9 @@ bad_erl_libs(Config) when is_list(Config) ->
{ok,Node2} =
test_server:start_node(bad_erl_libs, slave,
- [{args,"-env ERL_LIBS /no/such/dir"}]),
+ [{args,"-env ERL_LIBS " ++ BadLibs}]),
Code2 = rpc:call(Node,code,get_path,[]),
test_server:stop_node(Node2),
-
%% Test that code path is not affected by the faulty ERL_LIBS
Code = Code2,
diff --git a/lib/kernel/test/inet_SUITE.erl b/lib/kernel/test/inet_SUITE.erl
index f436eafad3..8b33f4a679 100644
--- a/lib/kernel/test/inet_SUITE.erl
+++ b/lib/kernel/test/inet_SUITE.erl
@@ -97,7 +97,7 @@ end_per_group(_GroupName, Config) ->
init_per_testcase(lookup_bad_search_option, Config) ->
Db = inet_db,
Key = res_lookup,
- %% The bad option can not enter through inet_db:set_lookup/1,
+ %% The bad option cannot enter through inet_db:set_lookup/1,
%% but through e.g .inetrc.
Prev = ets:lookup(Db, Key),
ets:delete(Db, Key),
diff --git a/lib/kernel/test/inet_res_SUITE.erl b/lib/kernel/test/inet_res_SUITE.erl
index df6e48abae..cbec8d430c 100644
--- a/lib/kernel/test/inet_res_SUITE.erl
+++ b/lib/kernel/test/inet_res_SUITE.erl
@@ -531,7 +531,7 @@ edns0(Config) when is_list(Config) ->
case os:version() of
{M,V,_} when M < 5; M == 5, V =< 8 ->
%% In our test park only known platform
- %% with an DNS resolver that can not do
+ %% with an DNS resolver that cannot do
%% EDNS0.
{comment,"No EDNS0"}
end
diff --git a/lib/kernel/test/init_SUITE.erl b/lib/kernel/test/init_SUITE.erl
index 4f90260f98..a0154b2694 100644
--- a/lib/kernel/test/init_SUITE.erl
+++ b/lib/kernel/test/init_SUITE.erl
@@ -459,7 +459,7 @@ find_system_procs([], SysProcs) ->
SysProcs#sys_procs.prim_file];
find_system_procs([P|Ps], SysProcs) ->
case process_info(P, [initial_call, priority]) of
- [{initial_call,{otp_ring0,start,2}},_] ->
+ [{initial_call,{erl_init,start,2}},_] ->
undefined = SysProcs#sys_procs.init,
find_system_procs(Ps, SysProcs#sys_procs{init = P});
[{initial_call,{erts_code_purger,start,0}},_] ->
diff --git a/lib/kernel/test/seq_trace_SUITE.erl b/lib/kernel/test/seq_trace_SUITE.erl
index ee8f4e94f8..663f910751 100644
--- a/lib/kernel/test/seq_trace_SUITE.erl
+++ b/lib/kernel/test/seq_trace_SUITE.erl
@@ -19,6 +19,9 @@
%%
-module(seq_trace_SUITE).
+%% label_capability_mismatch needs to run a part of the test on an OTP 20 node.
+-compile(r20).
+
-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
init_per_group/2,end_per_group/2,
init_per_testcase/2,end_per_testcase/2]).
@@ -358,7 +361,7 @@ do_incompatible_labels(Rel) ->
Mdir = filename:dirname(Dir),
true = rpc:call(Node,code,add_patha,[Mdir]),
seq_trace:reset_trace(),
- rpc:call(Node,?MODULE,start_tracer,[]),
+ true = is_pid(rpc:call(Node,?MODULE,start_tracer,[])),
Receiver = spawn(Node,?MODULE,one_time_receiver,[]),
%% This node does not support arbitrary labels, so it must fail with a
@@ -385,7 +388,7 @@ do_compatible_labels(Rel) ->
Mdir = filename:dirname(Dir),
true = rpc:call(Node,code,add_patha,[Mdir]),
seq_trace:reset_trace(),
- rpc:call(Node,?MODULE,start_tracer,[]),
+ true = is_pid(rpc:call(Node,?MODULE,start_tracer,[])),
Receiver = spawn(Node,?MODULE,one_time_receiver,[]),
%% This node does not support arbitrary labels, but small integers should
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-18 16:33:34 +0000