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-rw-r--r--lib/kernel/doc/src/code.xml18
-rw-r--r--lib/kernel/doc/src/file.xml3
-rw-r--r--lib/kernel/doc/src/notes.xml20
-rw-r--r--lib/kernel/doc/src/os.xml41
-rw-r--r--lib/kernel/doc/src/rpc.xml11
-rw-r--r--lib/kernel/src/code_server.erl27
-rw-r--r--lib/kernel/src/dist_util.erl4
-rw-r--r--lib/kernel/src/error_handler.erl4
-rw-r--r--lib/kernel/src/file.erl4
-rw-r--r--lib/kernel/src/hipe_unified_loader.erl1
-rw-r--r--lib/kernel/src/os.erl41
-rw-r--r--lib/kernel/src/rpc.erl10
-rw-r--r--lib/kernel/test/code_SUITE.erl21
-rw-r--r--lib/kernel/test/erl_distribution_SUITE.erl12
-rw-r--r--lib/kernel/test/file_SUITE.erl4
-rw-r--r--lib/kernel/test/gen_sctp_SUITE.erl6
-rw-r--r--lib/kernel/test/gen_tcp_api_SUITE.erl4
-rw-r--r--lib/kernel/test/gen_udp_SUITE.erl4
-rw-r--r--lib/kernel/test/inet_SUITE.erl8
-rw-r--r--lib/kernel/test/inet_res_SUITE.erl4
-rw-r--r--lib/kernel/test/os_SUITE.erl18
-rw-r--r--lib/kernel/vsn.mk2
22 files changed, 174 insertions, 93 deletions
diff --git a/lib/kernel/doc/src/code.xml b/lib/kernel/doc/src/code.xml
index c94f612c01..bd95819636 100644
--- a/lib/kernel/doc/src/code.xml
+++ b/lib/kernel/doc/src/code.xml
@@ -34,26 +34,28 @@
<p>This module contains the interface to the Erlang
<em>code server</em>, which deals with the loading of compiled
code into a running Erlang runtime system.</p>
- <p>The runtime system can be started in <em>embedded</em> or
- <em>interactive</em> mode. Which one is decided by command-line
+ <p>The runtime system can be started in <em>interactive</em> or
+ <em>embedded</em> mode. Which one is decided by the command-line
flag <c>-mode</c>:</p>
<pre>
% <input>erl -mode interactive</input></pre>
<p>The modes are as follows:</p>
<list type="bulleted">
<item>
- <p>In embedded mode, all code is loaded during system startup
- according to the boot script. (Code can also be loaded later
- by explicitly ordering the code server to do so).</p>
- </item>
- <item>
<p>In interactive mode, which is default, only some code is loaded
- during system startup, basically the modules needed by the runtime
+ during system startup, basically the modules needed by the runtime
system. Other code is dynamically loaded when first
referenced. When a call to a function in a certain module is
made, and the module is not loaded, the code server searches
for and tries to load the module.</p>
</item>
+ <item>
+ <p>In embedded mode, modules are not auto loaded. Trying to use
+ a module that has not been loaded results in an error. This mode is
+ recommended when the boot script loads all modules, as it is
+ typically done in OTP releases. (Code can still be loaded later
+ by explicitly ordering the code server to do so).</p>
+ </item>
</list>
<p>To prevent accidentally reloading of modules affecting the Erlang
runtime system, directories <c>kernel</c>, <c>stdlib</c>,
diff --git a/lib/kernel/doc/src/file.xml b/lib/kernel/doc/src/file.xml
index 8477b0e148..1b72769ce3 100644
--- a/lib/kernel/doc/src/file.xml
+++ b/lib/kernel/doc/src/file.xml
@@ -981,8 +981,7 @@ f.txt: {person, "kalle", 25}.
</item>
<tag><c>eisdir</c></tag>
<item>
- <p>The named file is not a regular file. It can be a
- directory, a FIFO, or a device.</p>
+ <p>The named file is a directory.</p>
</item>
<tag><c>enotdir</c></tag>
<item>
diff --git a/lib/kernel/doc/src/notes.xml b/lib/kernel/doc/src/notes.xml
index d7f224c38e..65fe9b9c07 100644
--- a/lib/kernel/doc/src/notes.xml
+++ b/lib/kernel/doc/src/notes.xml
@@ -31,6 +31,26 @@
</header>
<p>This document describes the changes made to the Kernel application.</p>
+<section><title>Kernel 5.4.2</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ Add <c>os:cmd/2</c> that takes an options map as the
+ second argument.</p>
+ <p>
+ Add <c>max_size</c> as an option to <c>os:cmd/2</c> that
+ control the maximum size of the result that
+ <c>os:cmd/2</c> will return.</p>
+ <p>
+ Own Id: OTP-14823</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Kernel 5.4.1</title>
<section><title>Fixed Bugs and Malfunctions</title>
diff --git a/lib/kernel/doc/src/os.xml b/lib/kernel/doc/src/os.xml
index c27182ff0b..ef416ed233 100644
--- a/lib/kernel/doc/src/os.xml
+++ b/lib/kernel/doc/src/os.xml
@@ -103,7 +103,7 @@
</desc>
</datatype>
<datatype>
- <name name="command_input"/>
+ <name name="os_command"/>
<desc>
<p>All characters needs to be valid characters on the
specific OS using
@@ -116,19 +116,31 @@
</p>
</desc>
</datatype>
+ <datatype>
+ <name name="os_command_opts"/>
+ <desc>
+ <p>Options for <seealso marker="#cmd/2"><c>os:cmd/2</c></seealso></p>
+ <taglist>
+ <tag><c>max_size</c></tag>
+ <item>
+ <p>The maximum size of the data returned by the <c>os:cmd</c> call.
+ See the <seealso marker="#cmd/2"><c>os:cmd/2</c></seealso>
+ documentation for more details.</p>
+ </item>
+ </taglist>
+ </desc>
+ </datatype>
</datatypes>
-
+
<funcs>
<func>
<name name="cmd" arity="1"/>
+ <name name="cmd" arity="2"/>
<fsummary>Execute a command in a shell of the target OS.</fsummary>
<desc>
<p>Executes <c><anno>Command</anno></c> in a command shell of the
- target OS,
- captures the standard output of the command, and returns this
- result as a string. This function is a replacement of
- the previous function <c>unix:cmd/1</c>; they are equivalent on a
- Unix platform.</p>
+ target OS, captures the standard output of the command,
+ and returns this result as a string.</p>
<warning><p>Previous implementation used to allow all characters
as long as they were integer values greater than or equal to zero.
This sometimes lead to unwanted results since null characters
@@ -142,6 +154,21 @@ DirOut = os:cmd("dir"), % on Win32 platform</code>
called from another program (for example, <c>os:cmd/1</c>)
can differ, compared with the standard output of the command
when called directly from an OS command shell.</p>
+ <p><c>os:cmd/2</c> was added in kernel-5.5 (OTP-20.2.1). It makes it
+ possible to pass an options map as the second argument in order to
+ control the behaviour of <c>os:cmd</c>. The possible options are:
+ </p>
+ <taglist>
+ <tag><c>max_size</c></tag>
+ <item>
+ <p>The maximum size of the data returned by the <c>os:cmd</c> call.
+ This option is a safety feature that should be used when the command
+ executed can return a very large, possibly infinite, result.</p>
+ <code type="none">
+> os:cmd("cat /dev/zero", #{ max_size => 20 }).
+[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]</code>
+ </item>
+ </taglist>
</desc>
</func>
diff --git a/lib/kernel/doc/src/rpc.xml b/lib/kernel/doc/src/rpc.xml
index adec2d9520..fab616e630 100644
--- a/lib/kernel/doc/src/rpc.xml
+++ b/lib/kernel/doc/src/rpc.xml
@@ -4,7 +4,7 @@
<erlref>
<header>
<copyright>
- <year>1996</year><year>2016</year>
+ <year>1996</year><year>2018</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -217,7 +217,7 @@
<list type="bulleted">
<item>A list of the nodes that do not exist</item>
<item>A list of the nodes where the server does not exist</item>
- <item>A list of the nodes where the server terminatd before sending
+ <item>A list of the nodes where the server terminated before sending
any reply.</item>
</list>
</desc>
@@ -268,8 +268,9 @@
on the specified nodes and collects the answers. It returns
<c>{<anno>ResL</anno>, <anno>BadNodes</anno>}</c>, where
<c><anno>BadNodes</anno></c> is a list
- of the nodes that terminated or timed out during computation,
- and <c><anno>ResL</anno></c> is a list of the return values.
+ of the nodes that do not exist,
+ and <c><anno>ResL</anno></c> is a list of the return values,
+ or <c>{badrpc, <anno>Reason</anno>}</c> for failing calls.
<c><anno>Timeout</anno></c> is a time (integer) in milliseconds, or
<c>infinity</c>.</p>
<p>The following example is useful when new object code is to
@@ -347,7 +348,7 @@
<func>
<name name="pmap" arity="3"/>
- <fsummary>Parallell evaluation of mapping a function over a
+ <fsummary>Parallel evaluation of mapping a function over a
list.</fsummary>
<desc>
<p>Evaluates <c>apply(<anno>Module</anno>, <anno>Function</anno>,
diff --git a/lib/kernel/src/code_server.erl b/lib/kernel/src/code_server.erl
index 418b0c50e1..f5a890cb95 100644
--- a/lib/kernel/src/code_server.erl
+++ b/lib/kernel/src/code_server.erl
@@ -340,8 +340,7 @@ handle_call(all_loaded, _From, S) ->
{reply,all_loaded(Db),S};
handle_call({get_object_code,Mod}, _From, St) when is_atom(Mod) ->
- Path = St#state.path,
- case mod_to_bin(Path, Mod) of
+ case get_object_code(St, Mod) of
{_,Bin,FName} -> {reply,{Mod,Bin,FName},St};
Error -> {reply,Error,St}
end;
@@ -1182,19 +1181,28 @@ load_file(Mod, From, St0) ->
end,
handle_pending_on_load(Action, Mod, From, St0).
-load_file_1(Mod, From, #state{path=Path}=St) ->
- case mod_to_bin(Path, Mod) of
+load_file_1(Mod, From, St) ->
+ case get_object_code(St, Mod) of
error ->
{reply,{error,nofile},St};
{Mod,Binary,File} ->
try_load_module_1(File, Mod, Binary, From, St)
end.
-mod_to_bin([Dir|Tail], Mod) ->
- File = filename:append(Dir, atom_to_list(Mod) ++ objfile_extension()),
+get_object_code(#state{path=Path}, Mod) when is_atom(Mod) ->
+ ModStr = atom_to_list(Mod),
+ case erl_prim_loader:is_basename(ModStr) of
+ true ->
+ mod_to_bin(Path, Mod, ModStr ++ objfile_extension());
+ false ->
+ error
+ end.
+
+mod_to_bin([Dir|Tail], Mod, ModFile) ->
+ File = filename:append(Dir, ModFile),
case erl_prim_loader:get_file(File) of
error ->
- mod_to_bin(Tail, Mod);
+ mod_to_bin(Tail, Mod, ModFile);
{ok,Bin,_} ->
case filename:pathtype(File) of
absolute ->
@@ -1203,10 +1211,9 @@ mod_to_bin([Dir|Tail], Mod) ->
{Mod,Bin,absname(File)}
end
end;
-mod_to_bin([], Mod) ->
+mod_to_bin([], Mod, ModFile) ->
%% At last, try also erl_prim_loader's own method
- File = to_list(Mod) ++ objfile_extension(),
- case erl_prim_loader:get_file(File) of
+ case erl_prim_loader:get_file(ModFile) of
error ->
error; % No more alternatives !
{ok,Bin,FName} ->
diff --git a/lib/kernel/src/dist_util.erl b/lib/kernel/src/dist_util.erl
index fb9f7fd7eb..5ea0ca991f 100644
--- a/lib/kernel/src/dist_util.erl
+++ b/lib/kernel/src/dist_util.erl
@@ -539,8 +539,8 @@ do_setnode(#hs_data{other_node = Node, socket = Socket,
"no table space left for node ~w ** ~n",
[Node]),
?shutdown(Node);
- error:Other ->
- exit({Other, erlang:get_stacktrace()})
+ error:Other:Stacktrace ->
+ exit({Other, Stacktrace})
end;
_ ->
error_msg("** Distribution connection error, "
diff --git a/lib/kernel/src/error_handler.erl b/lib/kernel/src/error_handler.erl
index 59ca8e690d..a9582c6225 100644
--- a/lib/kernel/src/error_handler.erl
+++ b/lib/kernel/src/error_handler.erl
@@ -106,8 +106,8 @@ crash(M, F, A) ->
crash(Tuple) ->
try erlang:error(undef)
catch
- error:undef ->
- Stk = [Tuple|tl(erlang:get_stacktrace())],
+ error:undef:Stacktrace ->
+ Stk = [Tuple|tl(Stacktrace)],
erlang:raise(error, undef, Stk)
end.
diff --git a/lib/kernel/src/file.erl b/lib/kernel/src/file.erl
index d05199897f..c2df1ee288 100644
--- a/lib/kernel/src/file.erl
+++ b/lib/kernel/src/file.erl
@@ -1382,8 +1382,8 @@ eval_stream2({ok,Form,EndLine}, Fd, H, Last, E, Bs0) ->
try erl_eval:exprs(Form, Bs0) of
{value,V,Bs} ->
eval_stream(Fd, H, EndLine, {V}, E, Bs)
- catch Class:Reason ->
- Error = {EndLine,?MODULE,{Class,Reason,erlang:get_stacktrace()}},
+ catch Class:Reason:StackTrace ->
+ Error = {EndLine,?MODULE,{Class,Reason,StackTrace}},
eval_stream(Fd, H, EndLine, Last, [Error|E], Bs0)
end;
eval_stream2({error,What,EndLine}, Fd, H, Last, E, Bs) ->
diff --git a/lib/kernel/src/hipe_unified_loader.erl b/lib/kernel/src/hipe_unified_loader.erl
index f8199fcf71..fd06f0f7d8 100644
--- a/lib/kernel/src/hipe_unified_loader.erl
+++ b/lib/kernel/src/hipe_unified_loader.erl
@@ -275,6 +275,7 @@ needs_trampolines(Architecture) ->
arm -> true;
powerpc -> true;
ppc64 -> true;
+ amd64 -> true;
_ -> false
end.
diff --git a/lib/kernel/src/os.erl b/lib/kernel/src/os.erl
index fbc046c8f9..77c883f57f 100644
--- a/lib/kernel/src/os.erl
+++ b/lib/kernel/src/os.erl
@@ -21,11 +21,11 @@
%% Provides a common operating system interface.
--export([type/0, version/0, cmd/1, find_executable/1, find_executable/2]).
+-export([type/0, version/0, cmd/1, cmd/2, find_executable/1, find_executable/2]).
-include("file.hrl").
--export_type([env_var_name/0, env_var_value/0, env_var_name_value/0, command_input/0]).
+-export_type([env_var_name/0, env_var_value/0, env_var_name_value/0]).
-export([getenv/0, getenv/1, getenv/2, putenv/2, unsetenv/1]).
@@ -35,14 +35,17 @@
perf_counter/1, set_env_var/2, set_signal/2, system_time/0,
system_time/1, timestamp/0, unset_env_var/1]).
+-type os_command() :: atom() | io_lib:chars().
+-type os_command_opts() :: #{ max_size => non_neg_integer() | infinity }.
+
+-export_type([os_command/0, os_command_opts/0]).
+
-type env_var_name() :: nonempty_string().
-type env_var_value() :: string().
-type env_var_name_value() :: nonempty_string().
--type command_input() :: atom() | io_lib:chars().
-
-spec list_env_vars() -> [{env_var_name(), env_var_value()}].
list_env_vars() ->
erlang:nif_error(undef).
@@ -260,14 +263,20 @@ extensions() ->
%% Executes the given command in the default shell for the operating system.
-spec cmd(Command) -> string() when
- Command :: os:command_input().
+ Command :: os_command().
cmd(Cmd) ->
+ cmd(Cmd, #{ }).
+
+-spec cmd(Command, Options) -> string() when
+ Command :: os_command(),
+ Options :: os_command_opts().
+cmd(Cmd, Opts) ->
{SpawnCmd, SpawnOpts, SpawnInput, Eot} = mk_cmd(os:type(), validate(Cmd)),
Port = open_port({spawn, SpawnCmd}, [binary, stderr_to_stdout,
stream, in, hide | SpawnOpts]),
MonRef = erlang:monitor(port, Port),
true = port_command(Port, SpawnInput),
- Bytes = get_data(Port, MonRef, Eot, []),
+ Bytes = get_data(Port, MonRef, Eot, [], 0, maps:get(max_size, Opts, infinity)),
demonitor(MonRef, [flush]),
String = unicode:characters_to_list(Bytes),
if %% Convert to unicode list if possible otherwise return bytes
@@ -332,12 +341,13 @@ validate2([List|Rest]) when is_list(List) ->
validate2(List),
validate2(Rest).
-get_data(Port, MonRef, Eot, Sofar) ->
+get_data(Port, MonRef, Eot, Sofar, Size, Max) ->
receive
{Port, {data, Bytes}} ->
- case eot(Bytes, Eot) of
+ case eot(Bytes, Eot, Size, Max) of
more ->
- get_data(Port, MonRef, Eot, [Sofar,Bytes]);
+ get_data(Port, MonRef, Eot, [Sofar, Bytes],
+ Size + byte_size(Bytes), Max);
Last ->
catch port_close(Port),
flush_until_down(Port, MonRef),
@@ -348,13 +358,16 @@ get_data(Port, MonRef, Eot, Sofar) ->
iolist_to_binary(Sofar)
end.
-eot(_Bs, <<>>) ->
+eot(Bs, <<>>, Size, Max) when Size + byte_size(Bs) < Max ->
more;
-eot(Bs, Eot) ->
+eot(Bs, <<>>, Size, Max) ->
+ binary:part(Bs, {0, Max - Size});
+eot(Bs, Eot, Size, Max) ->
case binary:match(Bs, Eot) of
- nomatch -> more;
- {Pos, _} ->
- binary:part(Bs,{0, Pos})
+ {Pos, _} when Size + Pos < Max ->
+ binary:part(Bs,{0, Pos});
+ _ ->
+ eot(Bs, <<>>, Size, Max)
end.
%% When port_close returns we know that all the
diff --git a/lib/kernel/src/rpc.erl b/lib/kernel/src/rpc.erl
index 0e0b7dffa3..b04aa9030b 100644
--- a/lib/kernel/src/rpc.erl
+++ b/lib/kernel/src/rpc.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2017. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -498,7 +498,7 @@ start_monitor(Node, Name) ->
Module :: module(),
Function :: atom(),
Args :: [term()],
- ResL :: [term()],
+ ResL :: [Res :: term() | {'badrpc', Reason :: term()}],
BadNodes :: [node()].
multicall(M, F, A) ->
@@ -509,14 +509,14 @@ multicall(M, F, A) ->
Module :: module(),
Function :: atom(),
Args :: [term()],
- ResL :: [term()],
+ ResL :: [Res :: term() | {'badrpc', Reason :: term()}],
BadNodes :: [node()];
(Module, Function, Args, Timeout) -> {ResL, BadNodes} when
Module :: module(),
Function :: atom(),
Args :: [term()],
Timeout :: timeout(),
- ResL :: [term()],
+ ResL :: [Res :: term() | {'badrpc', Reason :: term()}],
BadNodes :: [node()].
multicall(Nodes, M, F, A) when is_list(Nodes) ->
@@ -531,7 +531,7 @@ multicall(M, F, A, Timeout) ->
Function :: atom(),
Args :: [term()],
Timeout :: timeout(),
- ResL :: [term()],
+ ResL :: [Res :: term() | {'badrpc', Reason :: term()}],
BadNodes :: [node()].
multicall(Nodes, M, F, A, infinity)
diff --git a/lib/kernel/test/code_SUITE.erl b/lib/kernel/test/code_SUITE.erl
index 569753155f..902196def2 100644
--- a/lib/kernel/test/code_SUITE.erl
+++ b/lib/kernel/test/code_SUITE.erl
@@ -931,37 +931,34 @@ purge_stacktrace(Config) when is_list(Config) ->
code:purge(code_b_test),
try code_b_test:call(fun(b) -> ok end, a)
catch
- error:function_clause ->
+ error:function_clause:Stacktrace ->
code:load_file(code_b_test),
- case erlang:get_stacktrace() of
+ case Stacktrace of
[{?MODULE,_,[a],_},
{code_b_test,call,2,_},
{?MODULE,purge_stacktrace,1,_}|_] ->
- false = code:purge(code_b_test),
- [] = erlang:get_stacktrace()
+ false = code:purge(code_b_test)
end
end,
try code_b_test:call(nofun, 2)
catch
- error:function_clause ->
+ error:function_clause:Stacktrace2 ->
code:load_file(code_b_test),
- case erlang:get_stacktrace() of
+ case Stacktrace2 of
[{code_b_test,call,[nofun,2],_},
{?MODULE,purge_stacktrace,1,_}|_] ->
- false = code:purge(code_b_test),
- [] = erlang:get_stacktrace()
+ false = code:purge(code_b_test)
end
end,
Args = [erlang,error,[badarg]],
try code_b_test:call(erlang, error, [badarg,Args])
catch
- error:badarg ->
+ error:badarg:Stacktrace3 ->
code:load_file(code_b_test),
- case erlang:get_stacktrace() of
+ case Stacktrace3 of
[{code_b_test,call,Args,_},
{?MODULE,purge_stacktrace,1,_}|_] ->
- false = code:purge(code_b_test),
- [] = erlang:get_stacktrace()
+ false = code:purge(code_b_test)
end
end,
ok.
diff --git a/lib/kernel/test/erl_distribution_SUITE.erl b/lib/kernel/test/erl_distribution_SUITE.erl
index bbfaa9d147..f6791adf86 100644
--- a/lib/kernel/test/erl_distribution_SUITE.erl
+++ b/lib/kernel/test/erl_distribution_SUITE.erl
@@ -95,7 +95,11 @@ init_per_group(_GroupName, Config) ->
end_per_group(_GroupName, Config) ->
Config.
-
+init_per_testcase(TC, Config) when TC == hostnames;
+ TC == nodenames ->
+ file:make_dir("hostnames_nodedir"),
+ file:write_file("hostnames_nodedir/ignore_core_files",""),
+ Config;
init_per_testcase(Func, Config) when is_atom(Func), is_list(Config) ->
Config.
@@ -251,7 +255,7 @@ test_node(Name, Illigal) ->
end,
net_kernel:monitor_nodes(true),
BinCommand = unicode:characters_to_binary(Command, utf8),
- Prt = open_port({spawn, BinCommand}, [stream]),
+ Prt = open_port({spawn, BinCommand}, [stream,{cd,"hostnames_nodedir"}]),
Node = list_to_atom(Name),
receive
{nodeup, Node} ->
@@ -459,9 +463,9 @@ run_remote_test([FuncStr, TestNodeStr | Args]) ->
1
end
catch
- C:E ->
+ C:E:S ->
io:format("Node ~p got EXCEPTION ~p:~p\nat ~p\n",
- [node(), C, E, erlang:get_stacktrace()]),
+ [node(), C, E, S]),
2
end,
io:format("Node ~p doing halt(~p).\n",[node(), Status]),
diff --git a/lib/kernel/test/file_SUITE.erl b/lib/kernel/test/file_SUITE.erl
index 0cb8087a76..9a77454432 100644
--- a/lib/kernel/test/file_SUITE.erl
+++ b/lib/kernel/test/file_SUITE.erl
@@ -399,11 +399,11 @@ read_write_0(Str, {Func, ReadFun}, Options) ->
io:format("~p:~p: ~p ERROR: ~ts vs~n ~w~n - ~p~n",
[?MODULE, Line, Func, Str, ReadBytes, Options]),
exit({error, ?LINE});
- error:What ->
+ error:What:Stacktrace ->
io:format("~p:??: ~p ERROR: ~p from~n ~w~n ~p~n",
[?MODULE, Func, What, Str, Options]),
- io:format("\t~p~n", [erlang:get_stacktrace()]),
+ io:format("\t~p~n", [Stacktrace]),
exit({error, ?LINE})
end.
diff --git a/lib/kernel/test/gen_sctp_SUITE.erl b/lib/kernel/test/gen_sctp_SUITE.erl
index 620ab235a0..9dde00652c 100644
--- a/lib/kernel/test/gen_sctp_SUITE.erl
+++ b/lib/kernel/test/gen_sctp_SUITE.erl
@@ -1038,8 +1038,7 @@ do_from_other_process(Fun) ->
Result ->
Parent ! {Ref,Result}
catch
- Class:Reason ->
- Stacktrace = erlang:get_stacktrace(),
+ Class:Reason:Stacktrace ->
Parent ! {Ref,Class,Reason,Stacktrace}
end
end),
@@ -1617,8 +1616,7 @@ s_start(Socket, Timeout, Parent) ->
try
s_loop(Socket, Timeout, Parent, Handler, gb_trees:empty())
catch
- Class:Reason ->
- Stacktrace = erlang:get_stacktrace(),
+ Class:Reason:Stacktrace ->
io:format(?MODULE_STRING":socket exception ~w:~w at~n"
"~p.~n", [Class,Reason,Stacktrace]),
erlang:raise(Class, Reason, Stacktrace)
diff --git a/lib/kernel/test/gen_tcp_api_SUITE.erl b/lib/kernel/test/gen_tcp_api_SUITE.erl
index 12d22519ce..0fe44e8a88 100644
--- a/lib/kernel/test/gen_tcp_api_SUITE.erl
+++ b/lib/kernel/test/gen_tcp_api_SUITE.erl
@@ -605,9 +605,9 @@ ok({ok,V}) -> V;
ok(NotOk) ->
try throw(not_ok)
catch
- Thrown ->
+ throw:Thrown:Stacktrace ->
erlang:raise(
- error, {Thrown, NotOk}, tl(erlang:get_stacktrace()))
+ error, {Thrown, NotOk}, tl(Stacktrace))
end.
get_localaddr() ->
diff --git a/lib/kernel/test/gen_udp_SUITE.erl b/lib/kernel/test/gen_udp_SUITE.erl
index 96e495505a..6a50239c2a 100644
--- a/lib/kernel/test/gen_udp_SUITE.erl
+++ b/lib/kernel/test/gen_udp_SUITE.erl
@@ -755,9 +755,9 @@ ok({ok,V}) -> V;
ok(NotOk) ->
try throw(not_ok)
catch
- Thrown ->
+ throw:Thrown:Stacktrace ->
erlang:raise(
- error, {Thrown, NotOk}, tl(erlang:get_stacktrace()))
+ error, {Thrown, NotOk}, tl(Stacktrace))
end.
diff --git a/lib/kernel/test/inet_SUITE.erl b/lib/kernel/test/inet_SUITE.erl
index 77ac743a6e..2e5f8c7d2c 100644
--- a/lib/kernel/test/inet_SUITE.erl
+++ b/lib/kernel/test/inet_SUITE.erl
@@ -1104,11 +1104,9 @@ ifaddrs([{If,Opts}|IOs]) ->
#ifopts{flags=F} = Ifopts = check_ifopts(Opts, #ifopts{name=If}),
case F of
{flags,Flags} ->
- case lists:member(up, Flags) of
- true ->
- Ifopts#ifopts.addrs;
- false ->
- []
+ case lists:member(running, Flags) of
+ true -> Ifopts#ifopts.addrs;
+ false -> []
end ++ ifaddrs(IOs);
undefined ->
ifaddrs(IOs)
diff --git a/lib/kernel/test/inet_res_SUITE.erl b/lib/kernel/test/inet_res_SUITE.erl
index 6691ad9c06..2a5b8d0044 100644
--- a/lib/kernel/test/inet_res_SUITE.erl
+++ b/lib/kernel/test/inet_res_SUITE.erl
@@ -217,10 +217,10 @@ proxy_start(TC, {NS,P}) ->
spawn_link(
fun () ->
try proxy_start(TC, NS, P, Parent, Tag)
- catch C:X ->
+ catch C:X:Stacktrace ->
io:format(
"~w: ~w:~p ~p~n",
- [self(),C,X,erlang:get_stacktrace()])
+ [self(),C,X,Stacktrace])
end
end),
receive {started,Tag,Port} ->
diff --git a/lib/kernel/test/os_SUITE.erl b/lib/kernel/test/os_SUITE.erl
index 8056321448..591fbb2125 100644
--- a/lib/kernel/test/os_SUITE.erl
+++ b/lib/kernel/test/os_SUITE.erl
@@ -26,7 +26,8 @@
null_in_command/1, space_in_name/1, bad_command/1,
find_executable/1, unix_comment_in_command/1, deep_list_command/1,
large_output_command/1, background_command/0, background_command/1,
- message_leak/1, close_stdin/0, close_stdin/1, perf_counter_api/1]).
+ message_leak/1, close_stdin/0, close_stdin/1, max_size_command/1,
+ perf_counter_api/1]).
-include_lib("common_test/include/ct.hrl").
@@ -39,7 +40,7 @@ all() ->
space_in_name, bad_command,
find_executable, unix_comment_in_command, deep_list_command,
large_output_command, background_command, message_leak,
- close_stdin, perf_counter_api].
+ close_stdin, max_size_command, perf_counter_api].
groups() ->
[].
@@ -322,6 +323,19 @@ close_stdin(Config) ->
"-1" = os:cmd(Fds).
+max_size_command(_Config) ->
+
+ Res20 = os:cmd("cat /dev/zero", #{ max_size => 20 }),
+ 20 = length(Res20),
+
+ Res0 = os:cmd("cat /dev/zero", #{ max_size => 0 }),
+ 0 = length(Res0),
+
+ Res32768 = os:cmd("cat /dev/zero", #{ max_size => 32768 }),
+ 32768 = length(Res32768),
+
+ ResHello = string:trim(os:cmd("echo hello", #{ max_size => 20 })),
+ 5 = length(ResHello).
%% Test that the os:perf_counter api works as expected
perf_counter_api(_Config) ->
diff --git a/lib/kernel/vsn.mk b/lib/kernel/vsn.mk
index 106bda01ca..91261e1d55 100644
--- a/lib/kernel/vsn.mk
+++ b/lib/kernel/vsn.mk
@@ -1 +1 @@
-KERNEL_VSN = 5.4.1
+KERNEL_VSN = 5.4.2
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 17:03:22 +0000