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-rw-r--r--lib/kernel/doc/src/inet.xml9
-rw-r--r--lib/kernel/doc/src/kernel_app.xml2
-rw-r--r--lib/kernel/doc/src/net_kernel.xml36
-rw-r--r--lib/kernel/doc/src/notes.xml35
-rw-r--r--lib/kernel/include/dist_util.hrl8
-rw-r--r--lib/kernel/src/code_server.erl26
-rw-r--r--lib/kernel/src/dist_util.erl71
-rw-r--r--lib/kernel/src/erl_epmd.erl6
-rw-r--r--lib/kernel/src/inet.erl1
-rw-r--r--lib/kernel/src/inet6_tcp_dist.erl7
-rw-r--r--lib/kernel/src/inet_tcp_dist.erl29
-rw-r--r--lib/kernel/src/net_kernel.erl128
-rw-r--r--lib/kernel/src/os.erl64
-rw-r--r--lib/kernel/test/erl_distribution_SUITE.erl163
-rw-r--r--lib/kernel/test/gen_sctp_SUITE.erl148
-rw-r--r--lib/kernel/test/os_SUITE.erl40
-rw-r--r--lib/kernel/vsn.mk2
17 files changed, 642 insertions, 133 deletions
diff --git a/lib/kernel/doc/src/inet.xml b/lib/kernel/doc/src/inet.xml
index c0dce2f50c..8cc21bf3e2 100644
--- a/lib/kernel/doc/src/inet.xml
+++ b/lib/kernel/doc/src/inet.xml
@@ -151,6 +151,12 @@ fe80::204:acff:fe17:bf38
<name name="socket_address"/>
</datatype>
<datatype>
+ <name name="socket_getopt"/>
+ </datatype>
+ <datatype>
+ <name name="socket_setopt"/>
+ </datatype>
+ <datatype>
<name name="returned_non_ip_address"/>
<desc>
<p>
@@ -327,8 +333,6 @@ fe80::204:acff:fe17:bf38
<func>
<name name="getopts" arity="2"/>
<fsummary>Get one or more options for a socket.</fsummary>
- <type name="socket_getopt"/>
- <type name="socket_setopt"/>
<desc>
<p>Gets one or more options for a socket. For a list of available
options, see
@@ -580,7 +584,6 @@ get_tcpi_sacked(Sock) ->
<func>
<name name="setopts" arity="2"/>
<fsummary>Set one or more options for a socket.</fsummary>
- <type name="socket_setopt"/>
<desc>
<p>Sets one or more options for a socket.</p>
<p>The following options are available:</p>
diff --git a/lib/kernel/doc/src/kernel_app.xml b/lib/kernel/doc/src/kernel_app.xml
index 9e6fb60bb7..dc0291babe 100644
--- a/lib/kernel/doc/src/kernel_app.xml
+++ b/lib/kernel/doc/src/kernel_app.xml
@@ -215,12 +215,14 @@
<p>Defines the <c>First..Last</c> port range for the listener
socket of a distributed Erlang node.</p>
</item>
+ <marker id="inet_dist_listen_options"></marker>
<tag><c>{inet_dist_listen_options, Opts}</c></tag>
<item>
<p>Defines a list of extra socket options to be used when opening the
listening socket for a distributed Erlang node.
See <seealso marker="gen_tcp#listen/2"><c>gen_tcp:listen/2</c></seealso>.</p>
</item>
+ <marker id="inet_dist_connect_options"></marker>
<tag><c>{inet_dist_connect_options, Opts}</c></tag>
<item>
<p>Defines a list of extra socket options to be used when connecting to
diff --git a/lib/kernel/doc/src/net_kernel.xml b/lib/kernel/doc/src/net_kernel.xml
index f48a534d4f..3c1b3d5190 100644
--- a/lib/kernel/doc/src/net_kernel.xml
+++ b/lib/kernel/doc/src/net_kernel.xml
@@ -116,6 +116,21 @@ $ <input>erl -sname foobar</input></pre>
</func>
<func>
+ <name name="getopts" arity="2"/>
+ <fsummary>Get distribution socket options.</fsummary>
+ <desc>
+ <p>Get one or more options for the distribution socket
+ connected to <c><anno>Node</anno></c>.</p>
+ <p>If <c><anno>Node</anno></c> is a connected node
+ the return value is the same as from
+ <seealso marker="inet#getopts/2"><c>inet:getopts(Sock, Options)</c></seealso>
+ where <c>Sock</c> is the distribution socket for <c><anno>Node</anno></c>.</p>
+ <p>Returns <c>ignored</c> if the local node is not alive or
+ <c>{error, noconnection}</c> if <c><anno>Node</anno></c> is not connected.</p>
+ </desc>
+ </func>
+
+ <func>
<name name="monitor_nodes" arity="1"/>
<name name="monitor_nodes" arity="2"/>
<fsummary>Subscribe to node status change messages.</fsummary>
@@ -289,6 +304,27 @@ $ <input>erl -sname foobar</input></pre>
</func>
<func>
+ <name name="setopts" arity="2"/>
+ <fsummary>Set distribution socket options.</fsummary>
+ <desc>
+ <p>Set one or more options for distribution sockets.
+ Argument <c><anno>Node</anno></c> can be either one node name
+ or the atom <c>new</c> to affect the distribution sockets of all
+ future connected nodes.</p>
+ <p>The return value is the same as from
+ <seealso marker="inet#setopts/2"><c>inet:setopts/2</c></seealso>
+ or <c>{error, noconnection}</c> if <c><anno>Node</anno></c> is not
+ a connected node or <c>new</c>.</p>
+ <p>If <c><anno>Node</anno></c> is <c>new</c> the <c><anno>Options</anno></c>
+ will then also be added to kernel configration parameters
+ <seealso marker="kernel:kernel_app#inet_dist_listen_options">inet_dist_listen_options</seealso>
+ and
+ <seealso marker="kernel:kernel_app#inet_dist_connect_options">inet_dist_connect_options</seealso>.</p>
+ <p>Returns <c>ignored</c> if the local node is not alive.</p>
+ </desc>
+ </func>
+
+ <func>
<name>start([Name]) -> {ok, pid()} | {error, Reason}</name>
<name>start([Name, NameType]) -> {ok, pid()} | {error, Reason}</name>
<name>start([Name, NameType, Ticktime]) -> {ok, pid()} | {error, Reason}</name>
diff --git a/lib/kernel/doc/src/notes.xml b/lib/kernel/doc/src/notes.xml
index f37433110c..3d35f6f57f 100644
--- a/lib/kernel/doc/src/notes.xml
+++ b/lib/kernel/doc/src/notes.xml
@@ -31,6 +31,41 @@
</header>
<p>This document describes the changes made to the Kernel application.</p>
+<section><title>Kernel 5.0.2</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ When calling os:cmd from a process that has set trap_exit
+ to true an 'EXIT' message would be left in the message
+ queue. This bug was introduced in kernel vsn 5.0.1.</p>
+ <p>
+ Own Id: OTP-13813</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
+<section><title>Kernel 5.0.1</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ Fix a os:cmd bug where creating a background job using
+ &amp; would cause os:cmd to hang until the background job
+ terminated or closed its stdout and stderr file
+ descriptors. This bug has existed from kernel 5.0.</p>
+ <p>
+ Own Id: OTP-13741</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Kernel 5.0</title>
<section><title>Fixed Bugs and Malfunctions</title>
diff --git a/lib/kernel/include/dist_util.hrl b/lib/kernel/include/dist_util.hrl
index 43e50d4325..320e916c04 100644
--- a/lib/kernel/include/dist_util.hrl
+++ b/lib/kernel/include/dist_util.hrl
@@ -63,7 +63,7 @@
f_getll, %% Get low level port or pid.
f_address, %% The address of the "socket",
%% generated from Socket,Node
- %% These two are used in the tick loop,
+ %% These three are used in the tick loop,
%% so they are not fun's to avoid holding old code.
mf_tick, %% Takes the socket as parameters and
%% sends a tick, this is no fun, it
@@ -74,7 +74,11 @@
%% {ok, RecvCnt, SendCnt, SendPend} for
%% a given socket. This is a {M,F},
%% returning {error, Reason on failure}
- request_type = normal
+ request_type = normal,
+
+ %% New in kernel-5.1 (OTP 19.1):
+ mf_setopts, %% netkernel:setopts on active connection
+ mf_getopts %% netkernel:getopts on active connection
}).
diff --git a/lib/kernel/src/code_server.erl b/lib/kernel/src/code_server.erl
index 6174136507..48541ec500 100644
--- a/lib/kernel/src/code_server.erl
+++ b/lib/kernel/src/code_server.erl
@@ -135,10 +135,14 @@ split_paths([], _S, Path, Paths) ->
-spec call(term()) -> term().
call(Req) ->
+ Ref = erlang:monitor(process, ?MODULE),
?MODULE ! {code_call, self(), Req},
receive
{?MODULE, Reply} ->
- Reply
+ erlang:demonitor(Ref,[flush]),
+ Reply;
+ {'DOWN',Ref,process,_,_} ->
+ exit({'DOWN',code_server,Req})
end.
reply(Pid, Res) ->
@@ -933,14 +937,20 @@ del_ebin(Dir) ->
filename:join(del_ebin_1(filename:split(Dir))).
del_ebin_1([Parent,App,"ebin"]) ->
- Ext = archive_extension(),
- case filename:basename(Parent, Ext) of
- Parent ->
- %% Plain directory.
+ case filename:basename(Parent) of
+ [] ->
+ %% Parent is the root directory
[Parent,App];
- Archive ->
- %% Archive.
- [Archive]
+ _ ->
+ Ext = archive_extension(),
+ case filename:basename(Parent, Ext) of
+ Parent ->
+ %% Plain directory.
+ [Parent,App];
+ Archive ->
+ %% Archive.
+ [Archive]
+ end
end;
del_ebin_1([H|T]) ->
[H|del_ebin_1(T)];
diff --git a/lib/kernel/src/dist_util.erl b/lib/kernel/src/dist_util.erl
index 47d0c1b861..8d2fc4d4b7 100644
--- a/lib/kernel/src/dist_util.erl
+++ b/lib/kernel/src/dist_util.erl
@@ -143,7 +143,11 @@ handshake_other_started(#hs_data{request_type=ReqType}=HSData0) ->
ChallengeB = recv_challenge_reply(HSData, ChallengeA, MyCookie),
send_challenge_ack(HSData, gen_digest(ChallengeB, HisCookie)),
?debug({dist_util, self(), accept_connection, Node}),
- connection(HSData).
+ connection(HSData);
+
+handshake_other_started(OldHsData) when element(1,OldHsData) =:= hs_data ->
+ handshake_other_started(convert_old_hsdata(OldHsData)).
+
%%
%% check if connecting node is allowed to connect
@@ -330,7 +334,20 @@ handshake_we_started(#hs_data{request_type=ReqType,
gen_digest(ChallengeA,HisCookie)),
reset_timer(NewHSData#hs_data.timer),
recv_challenge_ack(NewHSData, MyChallenge, MyCookie),
- connection(NewHSData).
+ connection(NewHSData);
+
+handshake_we_started(OldHsData) when element(1,OldHsData) =:= hs_data ->
+ handshake_we_started(convert_old_hsdata(OldHsData)).
+
+convert_old_hsdata({hs_data, KP, ON, TN, S, T, TF, A, OV, OF, OS, FS, FR,
+ FS_PRE, FS_POST, FG, FA, MFT, MFG, RT}) ->
+ #hs_data{
+ kernel_pid = KP, other_node = ON, this_node = TN, socket = S, timer = T,
+ this_flags = TF, allowed = A, other_version = OV, other_flags = OF,
+ other_started = OS, f_send = FS, f_recv = FR, f_setopts_pre_nodeup = FS_PRE,
+ f_setopts_post_nodeup = FS_POST, f_getll = FG, f_address = FA,
+ mf_tick = MFT, mf_getstat = MFG, request_type = RT}.
+
%% --------------------------------------------------------------
%% The connection has been established.
@@ -350,15 +367,15 @@ connection(#hs_data{other_node = Node,
mark_nodeup(HSData,Address),
case FPostNodeup(Socket) of
ok ->
- con_loop(HSData#hs_data.kernel_pid,
- Node,
- Socket,
- Address,
- HSData#hs_data.this_node,
- PType,
- #tick{},
- HSData#hs_data.mf_tick,
- HSData#hs_data.mf_getstat);
+ con_loop({HSData#hs_data.kernel_pid,
+ Node,
+ Socket,
+ PType,
+ HSData#hs_data.mf_tick,
+ HSData#hs_data.mf_getstat,
+ HSData#hs_data.mf_setopts,
+ HSData#hs_data.mf_getopts},
+ #tick{});
_ ->
?shutdown2(Node, connection_setup_failed)
end;
@@ -454,8 +471,8 @@ mark_nodeup(#hs_data{kernel_pid = Kernel,
?shutdown(Node)
end.
-con_loop(Kernel, Node, Socket, TcpAddress,
- MyNode, Type, Tick, MFTick, MFGetstat) ->
+con_loop({Kernel, Node, Socket, Type, MFTick, MFGetstat, MFSetOpts, MFGetOpts}=ConData,
+ Tick) ->
receive
{tcp_closed, Socket} ->
?shutdown2(Node, connection_closed);
@@ -468,15 +485,12 @@ con_loop(Kernel, Node, Socket, TcpAddress,
_ ->
ignore_it
end,
- con_loop(Kernel, Node, Socket, TcpAddress, MyNode, Type,
- Tick, MFTick, MFGetstat);
+ con_loop(ConData, Tick);
{Kernel, tick} ->
case send_tick(Socket, Tick, Type,
MFTick, MFGetstat) of
{ok, NewTick} ->
- con_loop(Kernel, Node, Socket, TcpAddress,
- MyNode, Type, NewTick, MFTick,
- MFGetstat);
+ con_loop(ConData, NewTick);
{error, not_responding} ->
error_msg("** Node ~p not responding **~n"
"** Removing (timedout) connection **~n",
@@ -489,13 +503,24 @@ con_loop(Kernel, Node, Socket, TcpAddress,
case MFGetstat(Socket) of
{ok, Read, Write, _} ->
From ! {self(), get_status, {ok, Read, Write}},
- con_loop(Kernel, Node, Socket, TcpAddress,
- MyNode,
- Type, Tick,
- MFTick, MFGetstat);
+ con_loop(ConData, Tick);
_ ->
?shutdown2(Node, get_status_failed)
- end
+ end;
+ {From, Ref, {setopts, Opts}} ->
+ Ret = case MFSetOpts of
+ undefined -> {error, enotsup};
+ _ -> MFSetOpts(Socket, Opts)
+ end,
+ From ! {Ref, Ret},
+ con_loop(ConData, Tick);
+ {From, Ref, {getopts, Opts}} ->
+ Ret = case MFGetOpts of
+ undefined -> {error, enotsup};
+ _ -> MFGetOpts(Socket, Opts)
+ end,
+ From ! {Ref, Ret},
+ con_loop(ConData, Tick)
end.
diff --git a/lib/kernel/src/erl_epmd.erl b/lib/kernel/src/erl_epmd.erl
index f8ef4a475d..7bc9e2ede3 100644
--- a/lib/kernel/src/erl_epmd.erl
+++ b/lib/kernel/src/erl_epmd.erl
@@ -103,6 +103,10 @@ names(EpmdAddr) ->
register_node(Name, PortNo) ->
register_node(Name, PortNo, inet).
+register_node(Name, PortNo, inet_tcp) ->
+ register_node(Name, PortNo, inet);
+register_node(Name, PortNo, inet6_tcp) ->
+ register_node(Name, PortNo, inet6);
register_node(Name, PortNo, Family) ->
gen_server:call(erl_epmd, {register, Name, PortNo, Family}, infinity).
@@ -403,8 +407,6 @@ select_best_version(L1, _H1, _L2, H2) when L1 > H2 ->
0;
select_best_version(_L1, H1, L2, _H2) when L2 > H1 ->
0;
-select_best_version(_L1, H1, L2, _H2) when L2 > H1 ->
- 0;
select_best_version(_L1, H1, _L2, H2) ->
erlang:min(H1, H2).
diff --git a/lib/kernel/src/inet.erl b/lib/kernel/src/inet.erl
index a91a6ed517..75dd800c6b 100644
--- a/lib/kernel/src/inet.erl
+++ b/lib/kernel/src/inet.erl
@@ -75,6 +75,7 @@
-export_type([address_family/0, hostent/0, hostname/0, ip4_address/0,
ip6_address/0, ip_address/0, port_number/0,
local_address/0, socket_address/0, returned_non_ip_address/0,
+ socket_setopt/0, socket_getopt/0,
posix/0, socket/0, stat_option/0]).
%% imports
-import(lists, [append/1, duplicate/2, filter/2, foldl/3]).
diff --git a/lib/kernel/src/inet6_tcp_dist.erl b/lib/kernel/src/inet6_tcp_dist.erl
index 3aa61973af..9b6c2745d5 100644
--- a/lib/kernel/src/inet6_tcp_dist.erl
+++ b/lib/kernel/src/inet6_tcp_dist.erl
@@ -24,6 +24,7 @@
-export([listen/1, accept/1, accept_connection/5,
setup/5, close/1, select/1, is_node_name/1]).
+-export([setopts/2, getopts/2]).
%% ------------------------------------------------------------
%% Select this protocol based on node name
@@ -72,3 +73,9 @@ close(Socket) ->
is_node_name(Node) when is_atom(Node) ->
inet_tcp_dist:is_node_name(Node).
+
+setopts(S, Opts) ->
+ inet_tcp_dist:setopts(S, Opts).
+
+getopts(S, Opts) ->
+ inet_tcp_dist:getopts(S, Opts).
diff --git a/lib/kernel/src/inet_tcp_dist.erl b/lib/kernel/src/inet_tcp_dist.erl
index f91d7ef7c3..3084bd599a 100644
--- a/lib/kernel/src/inet_tcp_dist.erl
+++ b/lib/kernel/src/inet_tcp_dist.erl
@@ -24,13 +24,16 @@
-export([listen/1, accept/1, accept_connection/5,
setup/5, close/1, select/1, is_node_name/1]).
+%% Optional
+-export([setopts/2, getopts/2]).
+
%% Generalized dist API
-export([gen_listen/2, gen_accept/2, gen_accept_connection/6,
gen_setup/6, gen_select/2]).
%% internal exports
--export([accept_loop/3,do_accept/7,do_setup/7,getstat/1]).
+-export([accept_loop/3,do_accept/7,do_setup/7,getstat/1,tick/2]).
-import(error_logger,[error_msg/2]).
@@ -74,7 +77,7 @@ gen_listen(Driver, Name) ->
TcpAddress = get_tcp_address(Driver, Socket),
{_,Port} = TcpAddress#net_address.address,
ErlEpmd = net_kernel:epmd_module(),
- case ErlEpmd:register_node(Name, Port) of
+ case ErlEpmd:register_node(Name, Port, Driver) of
{ok, Creation} ->
{ok, {Socket, TcpAddress, Creation}};
Error ->
@@ -215,8 +218,10 @@ do_accept(Driver, Kernel, AcceptPid, Socket, MyNode, Allowed, SetupTime) ->
inet:getll(S)
end,
f_address = fun(S, Node) -> get_remote_id(Driver, S, Node) end,
- mf_tick = fun(S) -> tick(Driver, S) end,
- mf_getstat = fun ?MODULE:getstat/1
+ mf_tick = fun(S) -> ?MODULE:tick(Driver, S) end,
+ mf_getstat = fun ?MODULE:getstat/1,
+ mf_setopts = fun ?MODULE:setopts/2,
+ mf_getopts = fun ?MODULE:getopts/2
},
dist_util:handshake_other_started(HSData);
{false,IP} ->
@@ -320,6 +325,7 @@ do_setup(Driver, Kernel, Node, Type, MyNode, LongOrShortNames, SetupTime) ->
{packet, 4},
nodelay()])
end,
+
f_getll = fun inet:getll/1,
f_address =
fun(_,_) ->
@@ -329,9 +335,11 @@ do_setup(Driver, Kernel, Node, Type, MyNode, LongOrShortNames, SetupTime) ->
protocol = tcp,
family = AddressFamily}
end,
- mf_tick = fun(S) -> tick(Driver, S) end,
+ mf_tick = fun(S) -> ?MODULE:tick(Driver, S) end,
mf_getstat = fun ?MODULE:getstat/1,
- request_type = Type
+ request_type = Type,
+ mf_setopts = fun ?MODULE:setopts/2,
+ mf_getopts = fun ?MODULE:getopts/2
},
dist_util:handshake_we_started(HSData);
_ ->
@@ -492,3 +500,12 @@ split_stat([], R, W, P) ->
{ok, R, W, P}.
+setopts(S, Opts) ->
+ case [Opt || {K,_}=Opt <- Opts,
+ K =:= active orelse K =:= deliver orelse K =:= packet] of
+ [] -> inet:setopts(S,Opts);
+ Opts1 -> {error, {badopts,Opts1}}
+ end.
+
+getopts(S, Opts) ->
+ inet:getopts(S, Opts).
diff --git a/lib/kernel/src/net_kernel.erl b/lib/kernel/src/net_kernel.erl
index ac19f4935b..0c679e7349 100644
--- a/lib/kernel/src/net_kernel.erl
+++ b/lib/kernel/src/net_kernel.erl
@@ -59,6 +59,8 @@
connect_node/1,
monitor_nodes/1,
monitor_nodes/2,
+ setopts/2,
+ getopts/2,
start/1,
stop/0]).
@@ -111,7 +113,7 @@
}).
-record(listen, {
- listen, %% listen pid
+ listen, %% listen socket
accept, %% accepting pid
address, %% #net_address
module %% proto module
@@ -384,7 +386,7 @@ init({Name, LongOrShortNames, TickT, CleanHalt}) ->
connections =
ets:new(sys_dist,[named_table,
protected,
- {keypos, 2}]),
+ {keypos, #connection.node}]),
listen = Listeners,
allowed = [],
verbose = 0
@@ -554,6 +556,38 @@ handle_call({new_ticktime,_T,_TP},
#state{tick = #tick_change{time = T}} = State) ->
async_reply({reply, {ongoing_change_to, T}, State}, From);
+handle_call({setopts, new, Opts}, From, State) ->
+ Ret = setopts_new(Opts, State),
+ async_reply({reply, Ret, State}, From);
+
+handle_call({setopts, Node, Opts}, From, State) ->
+ Return =
+ case ets:lookup(sys_dist, Node) of
+ [Conn] when Conn#connection.state =:= up ->
+ case call_owner(Conn#connection.owner, {setopts, Opts}) of
+ {ok, Ret} -> Ret;
+ _ -> {error, noconnection}
+ end;
+
+ _ ->
+ {error, noconnection}
+ end,
+ async_reply({reply, Return, State}, From);
+
+handle_call({getopts, Node, Opts}, From, State) ->
+ Return =
+ case ets:lookup(sys_dist, Node) of
+ [Conn] when Conn#connection.state =:= up ->
+ case call_owner(Conn#connection.owner, {getopts, Opts}) of
+ {ok, Ret} -> Ret;
+ _ -> {error, noconnection}
+ end;
+
+ _ ->
+ {error, noconnection}
+ end,
+ async_reply({reply, Return, State}, From);
+
handle_call(_Msg, _From, State) ->
{noreply, State}.
@@ -1608,3 +1642,93 @@ async_gen_server_reply(From, Msg) ->
{'EXIT', _} ->
ok
end.
+
+call_owner(Owner, Msg) ->
+ Mref = monitor(process, Owner),
+ Owner ! {self(), Mref, Msg},
+ receive
+ {Mref, Reply} ->
+ erlang:demonitor(Mref, [flush]),
+ {ok, Reply};
+ {'DOWN', Mref, _, _, _} ->
+ error
+ end.
+
+
+-spec setopts(Node, Options) -> ok | {error, Reason} | ignored when
+ Node :: node() | new,
+ Options :: [inet:socket_setopt()],
+ Reason :: inet:posix() | noconnection.
+
+setopts(Node, Opts) when is_atom(Node), is_list(Opts) ->
+ request({setopts, Node, Opts}).
+
+setopts_new(Opts, State) ->
+ %% First try setopts on listening socket(s)
+ %% Bail out on failure.
+ %% If successful, we are pretty sure Opts are ok
+ %% and we continue with config params and pending connections.
+ case setopts_on_listen(Opts, State#state.listen) of
+ ok ->
+ setopts_new_1(Opts);
+ Fail -> Fail
+ end.
+
+setopts_on_listen(_, []) -> ok;
+setopts_on_listen(Opts, [#listen {listen = LSocket, module = Mod} | T]) ->
+ try Mod:setopts(LSocket, Opts) of
+ ok ->
+ setopts_on_listen(Opts, T);
+ Fail -> Fail
+ catch
+ error:undef -> {error, enotsup}
+ end.
+
+setopts_new_1(Opts) ->
+ ConnectOpts = case application:get_env(kernel, inet_dist_connect_options) of
+ {ok, CO} -> CO;
+ _ -> []
+ end,
+ application:set_env(kernel, inet_dist_connect_options,
+ merge_opts(Opts,ConnectOpts)),
+ ListenOpts = case application:get_env(kernel, inet_dist_listen_options) of
+ {ok, LO} -> LO;
+ _ -> []
+ end,
+ application:set_env(kernel, inet_dist_listen_options,
+ merge_opts(Opts, ListenOpts)),
+ case lists:keyfind(nodelay, 1, Opts) of
+ {nodelay, ND} when is_boolean(ND) ->
+ application:set_env(kernel, dist_nodelay, ND);
+ _ -> ignore
+ end,
+
+ %% Update any pending connections
+ PendingConns = ets:select(sys_dist, [{'_',
+ [{'=/=',{element,#connection.state,'$_'},up}],
+ ['$_']}]),
+ lists:foreach(fun(#connection{state = pending, owner = Owner}) ->
+ call_owner(Owner, {setopts, Opts});
+ (#connection{state = up_pending, pending_owner = Owner}) ->
+ call_owner(Owner, {setopts, Opts});
+ (_) -> ignore
+ end, PendingConns),
+ ok.
+
+merge_opts([], B) ->
+ B;
+merge_opts([H|T], B0) ->
+ {Key, _} = H,
+ B1 = lists:filter(fun({K,_}) -> K =/= Key end, B0),
+ merge_opts(T, [H | B1]).
+
+-spec getopts(Node, Options) ->
+ {'ok', OptionValues} | {'error', Reason} | ignored when
+ Node :: node(),
+ Options :: [inet:socket_getopt()],
+ OptionValues :: [inet:socket_setopt()],
+ Reason :: inet:posix() | noconnection.
+
+getopts(Node, Opts) when is_atom(Node), is_list(Opts) ->
+ request({getopts, Node, Opts}).
+
diff --git a/lib/kernel/src/os.erl b/lib/kernel/src/os.erl
index f0ad26b1f2..05bbf1069e 100644
--- a/lib/kernel/src/os.erl
+++ b/lib/kernel/src/os.erl
@@ -226,11 +226,13 @@ extensions() ->
Command :: atom() | io_lib:chars().
cmd(Cmd) ->
validate(Cmd),
- {SpawnCmd, SpawnOpts, SpawnInput} = mk_cmd(os:type(), Cmd),
+ {SpawnCmd, SpawnOpts, SpawnInput, Eot} = mk_cmd(os:type(), Cmd),
Port = open_port({spawn, SpawnCmd}, [binary, stderr_to_stdout,
- stream, in, eof, hide | SpawnOpts]),
+ stream, in, hide | SpawnOpts]),
+ MonRef = erlang:monitor(port, Port),
true = port_command(Port, SpawnInput),
- Bytes = get_data(Port, []),
+ Bytes = get_data(Port, MonRef, Eot, []),
+ demonitor(MonRef, [flush]),
String = unicode:characters_to_list(Bytes),
if %% Convert to unicode list if possible otherwise return bytes
is_list(String) -> String;
@@ -243,7 +245,7 @@ mk_cmd({win32,Wtype}, Cmd) ->
{false,_} -> lists:concat(["cmd /c", Cmd]);
{Cspec,_} -> lists:concat([Cspec," /c",Cmd])
end,
- {Command, [], []};
+ {Command, [], [], <<>>};
mk_cmd(OsType,Cmd) when is_atom(Cmd) ->
mk_cmd(OsType, atom_to_list(Cmd));
mk_cmd(_,Cmd) ->
@@ -252,7 +254,8 @@ mk_cmd(_,Cmd) ->
{"/bin/sh -s unix:cmd", [out],
%% We insert a new line after the command, in case the command
%% contains a comment character.
- ["(", unicode:characters_to_binary(Cmd), "\n); exit\n"]}.
+ ["(", unicode:characters_to_binary(Cmd), "\n); echo \"\^D\"\n"],
+ <<$\^D>>}.
validate(Atom) when is_atom(Atom) ->
ok;
@@ -267,21 +270,44 @@ validate1([List|Rest]) when is_list(List) ->
validate1([]) ->
ok.
-get_data(Port, Sofar) ->
+get_data(Port, MonRef, Eot, Sofar) ->
receive
{Port, {data, Bytes}} ->
- get_data(Port, [Sofar,Bytes]);
- {Port, eof} ->
- Port ! {self(), close},
- receive
- {Port, closed} ->
- true
- end,
- receive
- {'EXIT', Port, _} ->
- ok
- after 1 -> % force context switch
- ok
- end,
+ case eot(Bytes, Eot) of
+ more ->
+ get_data(Port, MonRef, Eot, [Sofar,Bytes]);
+ Last ->
+ Port ! {self(), close},
+ flush_until_closed(Port),
+ flush_exit(Port),
+ iolist_to_binary([Sofar, Last])
+ end;
+ {'DOWN', MonRef, _, _ , _} ->
+ flush_exit(Port),
iolist_to_binary(Sofar)
end.
+
+eot(_Bs, <<>>) ->
+ more;
+eot(Bs, Eot) ->
+ case binary:match(Bs, Eot) of
+ nomatch -> more;
+ {Pos, _} ->
+ binary:part(Bs,{0, Pos})
+ end.
+
+flush_until_closed(Port) ->
+ receive
+ {Port, {data, _Bytes}} ->
+ flush_until_closed(Port);
+ {Port, closed} ->
+ true
+ end.
+
+flush_exit(Port) ->
+ receive
+ {'EXIT', Port, _} ->
+ ok
+ after 1 -> % force context switch
+ ok
+ end.
diff --git a/lib/kernel/test/erl_distribution_SUITE.erl b/lib/kernel/test/erl_distribution_SUITE.erl
index eb58e92224..e43be77428 100644
--- a/lib/kernel/test/erl_distribution_SUITE.erl
+++ b/lib/kernel/test/erl_distribution_SUITE.erl
@@ -25,6 +25,7 @@
init_per_group/2,end_per_group/2]).
-export([tick/1, tick_change/1, illegal_nodenames/1, hidden_node/1,
+ setopts/1,
table_waste/1, net_setuptime/1,
inet_dist_options_options/1,
@@ -42,6 +43,8 @@
-export([get_socket_priorities/0,
tick_cli_test/1, tick_cli_test1/1,
tick_serv_test/2, tick_serv_test1/1,
+ run_remote_test/1,
+ setopts_do/2,
keep_conn/1, time_ping/1]).
-export([init_per_testcase/2, end_per_testcase/2]).
@@ -66,6 +69,7 @@ suite() ->
all() ->
[tick, tick_change, illegal_nodenames, hidden_node,
+ setopts,
table_waste, net_setuptime, inet_dist_options_options,
{group, monitor_nodes}].
@@ -282,6 +286,165 @@ tick_cli_test1(Node) ->
end
end.
+setopts(Config) when is_list(Config) ->
+ register(setopts_regname, self()),
+ [N1,N2,N3,N4] = get_nodenames(4, setopts),
+
+ {_N1F,Port1} = start_node_unconnected(N1, ?MODULE, run_remote_test,
+ ["setopts_do", atom_to_list(node()), "1", "ping"]),
+ 0 = wait_for_port_exit(Port1),
+
+ {_N2F,Port2} = start_node_unconnected(N2, ?MODULE, run_remote_test,
+ ["setopts_do", atom_to_list(node()), "2", "ping"]),
+ 0 = wait_for_port_exit(Port2),
+
+ {ok, LSock} = gen_tcp:listen(0, [{packet,2}, {active,false}]),
+ {ok, LTcpPort} = inet:port(LSock),
+
+ {N3F,Port3} = start_node_unconnected(N3, ?MODULE, run_remote_test,
+ ["setopts_do", atom_to_list(node()),
+ "1", integer_to_list(LTcpPort)]),
+ wait_and_connect(LSock, N3F, Port3),
+ 0 = wait_for_port_exit(Port3),
+
+ {N4F,Port4} = start_node_unconnected(N4, ?MODULE, run_remote_test,
+ ["setopts_do", atom_to_list(node()),
+ "2", integer_to_list(LTcpPort)]),
+ wait_and_connect(LSock, N4F, Port4),
+ 0 = wait_for_port_exit(Port4),
+
+ ok.
+
+wait_and_connect(LSock, NodeName, NodePort) ->
+ {ok, Sock} = gen_tcp:accept(LSock),
+ {ok, "Connect please"} = gen_tcp:recv(Sock, 0),
+ flush_from_port(NodePort),
+ pong = net_adm:ping(NodeName),
+ gen_tcp:send(Sock, "Connect done"),
+ gen_tcp:close(Sock).
+
+
+flush_from_port(Port) ->
+ flush_from_port(Port, 10).
+
+flush_from_port(Port, Timeout) ->
+ receive
+ {Port,{data,String}} ->
+ io:format("~p: ~s\n", [Port, String]),
+ flush_from_port(Port, Timeout)
+ after Timeout ->
+ timeout
+ end.
+
+wait_for_port_exit(Port) ->
+ case (receive M -> M end) of
+ {Port,{exit_status,Status}} ->
+ Status;
+ {Port,{data,String}} ->
+ io:format("~p: ~s\n", [Port, String]),
+ wait_for_port_exit(Port)
+ end.
+
+run_remote_test([FuncStr, TestNodeStr | Args]) ->
+ Status = try
+ io:format("Node ~p started~n", [node()]),
+ TestNode = list_to_atom(TestNodeStr),
+ io:format("Node ~p spawning function ~p~n", [node(), FuncStr]),
+ {Pid,Ref} = spawn_monitor(?MODULE, list_to_atom(FuncStr), [TestNode, Args]),
+ io:format("Node ~p waiting for function ~p~n", [node(), FuncStr]),
+ receive
+ {'DOWN', Ref, process, Pid, normal} ->
+ 0;
+ Other ->
+ io:format("Node ~p got unexpected msg: ~p\n",[node(), Other]),
+ 1
+ end
+ catch
+ C:E ->
+ io:format("Node ~p got EXCEPTION ~p:~p\nat ~p\n",
+ [node(), C, E, erlang:get_stacktrace()]),
+ 2
+ end,
+ io:format("Node ~p doing halt(~p).\n",[node(), Status]),
+ erlang:halt(Status).
+
+% Do the actual test on the remote node
+setopts_do(TestNode, [OptNr, ConnectData]) ->
+ [] = nodes(),
+ {Opt, Val} = opt_from_nr(OptNr),
+ ok = net_kernel:setopts(new, [{Opt, Val}]),
+
+ [] = nodes(),
+ {error, noconnection} = net_kernel:getopts(TestNode, [Opt]),
+
+ case ConnectData of
+ "ping" -> % We connect
+ net_adm:ping(TestNode);
+ TcpPort -> % Other connect
+ {ok, Sock} = gen_tcp:connect("localhost", list_to_integer(TcpPort),
+ [{active,false},{packet,2}]),
+ ok = gen_tcp:send(Sock, "Connect please"),
+ {ok, "Connect done"} = gen_tcp:recv(Sock, 0),
+ gen_tcp:close(Sock)
+ end,
+ [TestNode] = nodes(),
+ {ok, [{Opt,Val}]} = net_kernel:getopts(TestNode, [Opt]),
+ {error, noconnection} = net_kernel:getopts('pixie@fairyland', [Opt]),
+
+ NewVal = change_val(Val),
+ ok = net_kernel:setopts(TestNode, [{Opt, NewVal}]),
+ {ok, [{Opt,NewVal}]} = net_kernel:getopts(TestNode, [Opt]),
+
+ ok = net_kernel:setopts(TestNode, [{Opt, Val}]),
+ {ok, [{Opt,Val}]} = net_kernel:getopts(TestNode, [Opt]),
+
+ ok.
+
+opt_from_nr("1") -> {nodelay, true};
+opt_from_nr("2") -> {nodelay, false}.
+
+change_val(true) -> false;
+change_val(false) -> true.
+
+start_node_unconnected(Name, Mod, Func, Args) ->
+ FullName = full_node_name(Name),
+ CmdLine = mk_node_cmdline(Name,Mod,Func,Args),
+ io:format("Starting node ~p: ~s~n", [FullName, CmdLine]),
+ case open_port({spawn, CmdLine}, [exit_status]) of
+ Port when is_port(Port) ->
+ {FullName, Port};
+ Error ->
+ exit({failed_to_start_node, FullName, Error})
+ end.
+
+full_node_name(PreName) ->
+ HostSuffix = lists:dropwhile(fun ($@) -> false; (_) -> true end,
+ atom_to_list(node())),
+ list_to_atom(atom_to_list(PreName) ++ HostSuffix).
+
+mk_node_cmdline(Name,Mod,Func,Args) ->
+ Static = "-noinput",
+ Pa = filename:dirname(code:which(?MODULE)),
+ Prog = case catch init:get_argument(progname) of
+ {ok,[[P]]} -> P;
+ _ -> exit(no_progname_argument_found)
+ end,
+ NameSw = case net_kernel:longnames() of
+ false -> "-sname ";
+ true -> "-name ";
+ _ -> exit(not_distributed_node)
+ end,
+ {ok, Pwd} = file:get_cwd(),
+ NameStr = atom_to_list(Name),
+ Prog ++ " "
+ ++ Static ++ " "
+ ++ NameSw ++ " " ++ NameStr
+ ++ " -pa " ++ Pa
+ ++ " -env ERL_CRASH_DUMP " ++ Pwd ++ "/erl_crash_dump." ++ NameStr
+ ++ " -setcookie " ++ atom_to_list(erlang:get_cookie())
+ ++ " -run " ++ atom_to_list(Mod) ++ " " ++ atom_to_list(Func)
+ ++ " " ++ string:join(Args, " ").
+
%% OTP-4255.
tick_change(Config) when is_list(Config) ->
diff --git a/lib/kernel/test/gen_sctp_SUITE.erl b/lib/kernel/test/gen_sctp_SUITE.erl
index f836b2aa94..620ab235a0 100644
--- a/lib/kernel/test/gen_sctp_SUITE.erl
+++ b/lib/kernel/test/gen_sctp_SUITE.erl
@@ -117,7 +117,11 @@ xfer_min(Config) when is_list(Config) ->
Stream = 0,
Data = <<"The quick brown fox jumps over a lazy dog 0123456789">>,
Loopback = {127,0,0,1},
+ StatOpts =
+ [recv_avg,recv_cnt,recv_max,recv_oct,
+ send_avg,send_cnt,send_max,send_oct],
{ok,Sb} = gen_sctp:open([{type,seqpacket}]),
+ {ok,SbStat1} = inet:getstat(Sb, StatOpts),
{ok,Pb} = inet:port(Sb),
ok = gen_sctp:listen(Sb, true),
@@ -212,6 +216,8 @@ xfer_min(Config) when is_list(Config) ->
assoc_id=SbAssocId}} =
recv_event(log_ok(gen_sctp:recv(Sb, infinity))),
ok = gen_sctp:close(Sa),
+ {ok,SbStat2} = inet:getstat(Sb, StatOpts),
+ [] = filter_stat_eq(SbStat1, SbStat2),
ok = gen_sctp:close(Sb),
receive
@@ -220,6 +226,18 @@ xfer_min(Config) when is_list(Config) ->
end,
ok.
+filter_stat_eq([], []) ->
+ [];
+filter_stat_eq([{Tag,Val1}=Stat|SbStat1], [{Tag,Val2}|SbStat2]) ->
+ if
+ Val1 == Val2 ->
+ [Stat|filter_stat_eq(SbStat1, SbStat2)];
+ true ->
+ filter_stat_eq(SbStat1, SbStat2)
+ end.
+
+
+
%% Minimal data transfer in active mode.
xfer_active(Config) when is_list(Config) ->
Timeout = 2000,
@@ -383,26 +401,28 @@ def_sndrcvinfo(Config) when is_list(Config) ->
assoc_id=S2AssocId} = S2AssocChange =
log_ok(gen_sctp:connect(S2, Loopback, P1, [])),
?LOGVAR(S2AssocChange),
- case recv_event(log_ok(gen_sctp:recv(S1))) of
- {Loopback,P2,
- #sctp_assoc_change{
- state=comm_up,
- error=0,
- assoc_id=S1AssocId}} ->
- ?LOGVAR(S1AssocId);
- {Loopback,P2,
- #sctp_paddr_change{
- state=addr_confirmed,
- error=0,
- assoc_id=S1AssocId}} ->
- ?LOGVAR(S1AssocId),
+ S1AssocId =
+ case recv_event(log_ok(gen_sctp:recv(S1))) of
{Loopback,P2,
#sctp_assoc_change{
state=comm_up,
error=0,
- assoc_id=S1AssocId}} =
- recv_event(log_ok(gen_sctp:recv(S1)))
- end,
+ assoc_id=AssocId}} ->
+ AssocId;
+ {Loopback,P2,
+ #sctp_paddr_change{
+ state=addr_confirmed,
+ error=0,
+ assoc_id=AssocId}} ->
+ {Loopback,P2,
+ #sctp_assoc_change{
+ state=comm_up,
+ error=0,
+ assoc_id=AssocId}} =
+ recv_event(log_ok(gen_sctp:recv(S1))),
+ AssocId
+ end,
+ ?LOGVAR(S1AssocId),
#sctp_sndrcvinfo{
ppid=17, context=0, timetolive=0} = %, assoc_id=S1AssocId} =
@@ -1055,6 +1075,7 @@ peeloff(Config, SockOpts) when is_list(Config) ->
Addr = {127,0,0,1},
Stream = 0,
Timeout = 333,
+ StartTime = timestamp(),
S1 = socket_open([{ifaddr,Addr}|SockOpts], Timeout),
?LOGVAR(S1),
P1 = socket_call(S1, get_port),
@@ -1077,7 +1098,7 @@ peeloff(Config, SockOpts) when is_list(Config) ->
state=comm_up,
assoc_id=AssocId2}}} -> AssocId2
after Timeout ->
- socket_bailout([S1,S2])
+ socket_bailout([S1,S2], StartTime)
end,
?LOGVAR(S2Ai),
S1Ai =
@@ -1087,7 +1108,7 @@ peeloff(Config, SockOpts) when is_list(Config) ->
state=comm_up,
assoc_id=AssocId1}}} -> AssocId1
after Timeout ->
- socket_bailout([S1,S2])
+ socket_bailout([S1,S2], StartTime)
end,
?LOGVAR(S1Ai),
%%
@@ -1095,13 +1116,13 @@ peeloff(Config, SockOpts) when is_list(Config) ->
receive
{S1,{Addr,P2,S1Ai,Stream,<<"Number one">>}} -> ok
after Timeout ->
- socket_bailout([S1,S2])
+ socket_bailout([S1,S2], StartTime)
end,
socket_call(S2, {send,Socket1,S1Ai,Stream,<<"Number two">>}),
receive
{S2,{Addr,P1,S2Ai,Stream,<<"Number two">>}} -> ok
after Timeout ->
- socket_bailout([S1,S2])
+ socket_bailout([S1,S2], StartTime)
end,
%%
S3 = socket_peeloff(Socket1, S1Ai, SockOpts, Timeout),
@@ -1120,31 +1141,31 @@ peeloff(Config, SockOpts) when is_list(Config) ->
receive
{S2,{Addr,P3,S2Ai,Stream,<<"Number three">>}} -> ok
after Timeout ->
- socket_bailout([S1,S2,S3])
+ socket_bailout([S1,S2,S3], StartTime)
end,
socket_call(S3, {send,Socket2,S2Ai,Stream,<<"Number four">>}),
receive
{S3,{Addr,P2,S3Ai,Stream,<<"Number four">>}} -> ok
after Timeout ->
- socket_bailout([S1,S2,S3])
+ socket_bailout([S1,S2,S3], StartTime)
end,
%%
inet:i(sctp),
- socket_close_verbose(S1),
- socket_close_verbose(S2),
+ socket_close_verbose(S1, StartTime),
+ socket_close_verbose(S2, StartTime),
receive
{S3,{Addr,P2,#sctp_shutdown_event{assoc_id=S3Ai_X}}} ->
match_unless_solaris(S3Ai, S3Ai_X)
after Timeout ->
- socket_bailout([S3])
+ socket_bailout([S3], StartTime)
end,
receive
{S3,{Addr,P2,#sctp_assoc_change{state=shutdown_comp,
assoc_id=S3Ai}}} -> ok
after Timeout ->
- socket_bailout([S3])
+ socket_bailout([S3], StartTime)
end,
- socket_close_verbose(S3),
+ socket_close_verbose(S3, StartTime),
[] = flush(),
ok.
@@ -1156,6 +1177,7 @@ buffers(Config) when is_list(Config) ->
Addr = {127,0,0,1},
Stream = 1,
Timeout = 3333,
+ StartTime = timestamp(),
S1 = socket_open([{ip,Addr}], Timeout),
?LOGVAR(S1),
P1 = socket_call(S1, get_port),
@@ -1174,7 +1196,7 @@ buffers(Config) when is_list(Config) ->
state=comm_up,
assoc_id=AssocId2}}} -> AssocId2
after Timeout ->
- socket_bailout([S1,S2])
+ socket_bailout([S1,S2], StartTime)
end,
S1Ai =
receive
@@ -1183,7 +1205,7 @@ buffers(Config) when is_list(Config) ->
state=comm_up,
assoc_id=AssocId1}}} -> AssocId1
after Timeout ->
- socket_bailout([S1,S2])
+ socket_bailout([S1,S2], StartTime)
end,
%%
socket_call(S1, {setopts,[{recbuf,Limit}]}),
@@ -1197,22 +1219,22 @@ buffers(Config) when is_list(Config) ->
receive
{S1,{Addr,P2,S1Ai,Stream,Data}} -> ok
after Timeout ->
- socket_bailout([S1,S2])
+ socket_bailout([S1,S2], StartTime)
end,
%%
- socket_close_verbose(S1),
+ socket_close_verbose(S1, StartTime),
receive
{S2,{Addr,P1,#sctp_shutdown_event{assoc_id=S2Ai}}} -> ok
after Timeout ->
- socket_bailout([S2])
+ socket_bailout([S2], StartTime)
end,
receive
{S2,{Addr,P1,#sctp_assoc_change{state=shutdown_comp,
assoc_id=S2Ai}}} -> ok
after Timeout ->
- socket_bailout([S2])
+ socket_bailout([S2], StartTime)
end,
- socket_close_verbose(S2),
+ socket_close_verbose(S2, StartTime),
[] = flush(),
ok.
@@ -1521,8 +1543,8 @@ socket_peeloff(Socket, AssocId, SocketOpts, Timeout) ->
end,
s_start(Starter, Timeout).
-socket_close_verbose(S) ->
- History = socket_history(socket_close(S)),
+socket_close_verbose(S, StartTime) ->
+ History = socket_history(socket_close(S), StartTime),
io:format("socket_close ~p:~n ~p.~n", [S,History]),
History.
@@ -1535,19 +1557,19 @@ socket_call(S, Request) ->
%% socket_get(S, Key) ->
%% s_req(S, {get,Key}).
-socket_bailout([S|Ss]) ->
- History = socket_history(socket_close(S)),
+socket_bailout([S|Ss], StartTime) ->
+ History = socket_history(socket_close(S), StartTime),
io:format("bailout ~p:~n ~p.~n", [S,History]),
- socket_bailout(Ss);
-socket_bailout([]) ->
+ socket_bailout(Ss, StartTime);
+socket_bailout([], _) ->
io:format("flush: ~p.~n", [flush()]),
ct:fail(socket_bailout).
-socket_history({State,Flush}) ->
+socket_history({State,Flush}, StartTime) ->
{lists:keysort(
2,
lists:flatten(
- [[{Key,Val} || Val <- Vals]
+ [[{Key,{TS-StartTime,Val}} || {TS,Val} <- Vals]
|| {Key,Vals} <- gb_trees:to_list(State)])),
Flush}.
@@ -1610,14 +1632,12 @@ s_loop(Socket, Timeout, Parent, Handler, State) ->
{Parent,Ref,exit} ->
ok = gen_sctp:close(Socket),
Key = exit,
- Val = {now(),Socket},
- NewState = gb_push(Key, Val, State),
+ NewState = gb_push(Key, Socket, State),
Parent ! {self(),Ref,{NewState,flush()}};
{Parent,Ref,{Msg}} ->
Result = Handler(Msg),
Key = req,
- Val = {now(),{Msg,Result}},
- NewState = gb_push(Key, Val, State),
+ NewState = gb_push(Key, {Msg,Result}, State),
Parent ! {self(),Ref,Result},
s_loop(Socket, Timeout, Parent, Handler, NewState);
%% {Parent,Ref,{get,Key}} ->
@@ -1627,16 +1647,15 @@ s_loop(Socket, Timeout, Parent, Handler, State) ->
{[#sctp_sndrcvinfo{stream=Stream,assoc_id=AssocId}=SRI],Data}}
when not is_tuple(Data) ->
case gb_get({assoc_change,AssocId}, State) of
- [{_,{Addr,Port,
- #sctp_assoc_change{
- state=comm_up,
- inbound_streams=Is}}}|_]
+ [{Addr,Port,
+ #sctp_assoc_change{
+ state=comm_up,
+ inbound_streams=Is}}|_]
when 0 =< Stream, Stream < Is-> ok;
[] -> ok
end,
Key = {msg,AssocId,Stream},
- Val = {now(),{Addr,Port,SRI,Data}},
- NewState = gb_push(Key, Val, State),
+ NewState = gb_push(Key, {Addr,Port,SRI,Data}, State),
Parent ! {self(),{Addr,Port,AssocId,Stream,Data}},
again(Socket),
s_loop(Socket, Timeout, Parent, Handler, NewState);
@@ -1647,13 +1666,12 @@ s_loop(Socket, Timeout, Parent, Handler, State) ->
[] -> ok
end,
Key = {assoc_change,AssocId},
- Val = {now(),{Addr,Port,SAC}},
case {gb_get(Key, State),St} of
{[],_} -> ok;
- {[{_,{Addr,Port,#sctp_assoc_change{state=comm_up}}}|_],_}
+ {[{Addr,Port,#sctp_assoc_change{state=comm_up}}|_],_}
when St =:= comm_lost; St =:= shutdown_comp -> ok
end,
- NewState = gb_push(Key, Val, State),
+ NewState = gb_push(Key, {Addr,Port,SAC}, State),
Parent ! {self(),{Addr,Port,SAC}},
again(Socket),
s_loop(Socket, Timeout, Parent, Handler, NewState);
@@ -1667,14 +1685,13 @@ s_loop(Socket, Timeout, Parent, Handler, State) ->
[] -> ok
end,
case {gb_get({assoc_change,AssocId}, State),St} of
- {[{_,{Addr,Port,#sctp_assoc_change{state=comm_up}}}|_],_}
+ {[{Addr,Port,#sctp_assoc_change{state=comm_up}}|_],_}
when St =:= addr_available;
St =:= addr_confirmed -> ok;
{[],addr_confirmed} -> ok
end,
Key = {paddr_change,AssocId},
- Val = {now(),{Addr,Port,SPC}},
- NewState = gb_push(Key, Val, State),
+ NewState = gb_push(Key, {Addr,Port,SPC}, State),
again(Socket),
s_loop(Socket, Timeout, Parent, Handler, NewState);
{sctp,Socket,Addr,Port,
@@ -1684,12 +1701,11 @@ s_loop(Socket, Timeout, Parent, Handler, State) ->
[] -> ok
end,
case gb_get({assoc_change,AssocId}, State) of
- [{_,{Addr,Port,#sctp_assoc_change{state=comm_up}}}|_] -> ok;
+ [{Addr,Port,#sctp_assoc_change{state=comm_up}}|_] -> ok;
[] -> ok
end,
Key = {shutdown_event,AssocId},
- Val = {now(),{Addr,Port}},
- NewState = gb_push(Key, Val, State),
+ NewState = gb_push(Key, {Addr,Port}, State),
Parent ! {self(), {Addr,Port,SSE}},
again(Socket),
s_loop(Socket, Timeout, Parent, Handler, NewState);
@@ -1707,11 +1723,12 @@ again(Socket) ->
end.
gb_push(Key, Val, GBT) ->
+ TS = timestamp(),
case gb_trees:lookup(Key, GBT) of
none ->
- gb_trees:insert(Key, [Val], GBT);
+ gb_trees:insert(Key, [{TS,Val}], GBT);
{value,V} ->
- gb_trees:update(Key, [Val|V], GBT)
+ gb_trees:update(Key, [{TS,Val}|V], GBT)
end.
gb_get(Key, GBT) ->
@@ -1719,7 +1736,7 @@ gb_get(Key, GBT) ->
none ->
[];
{value,V} ->
- V
+ [Val || {_TS,Val} <- V]
end.
match_unless_solaris(A, B) ->
@@ -1727,3 +1744,6 @@ match_unless_solaris(A, B) ->
{unix,sunos} -> B;
_ -> A = B
end.
+
+timestamp() ->
+ erlang:monotonic_time().
diff --git a/lib/kernel/test/os_SUITE.erl b/lib/kernel/test/os_SUITE.erl
index 2a1e5016ec..19ab3713a1 100644
--- a/lib/kernel/test/os_SUITE.erl
+++ b/lib/kernel/test/os_SUITE.erl
@@ -24,7 +24,8 @@
init_per_testcase/2,end_per_testcase/2]).
-export([space_in_cwd/1, quoting/1, cmd_unicode/1, space_in_name/1, bad_command/1,
find_executable/1, unix_comment_in_command/1, deep_list_command/1,
- large_output_command/1, perf_counter_api/1]).
+ large_output_command/1, background_command/0, background_command/1,
+ message_leak/1, perf_counter_api/1]).
-include_lib("common_test/include/ct.hrl").
@@ -35,7 +36,8 @@ suite() ->
all() ->
[space_in_cwd, quoting, cmd_unicode, space_in_name, bad_command,
find_executable, unix_comment_in_command, deep_list_command,
- large_output_command, perf_counter_api].
+ large_output_command, background_command, message_leak,
+ perf_counter_api].
groups() ->
[].
@@ -52,6 +54,13 @@ init_per_group(_GroupName, Config) ->
end_per_group(_GroupName, Config) ->
Config.
+init_per_testcase(background_command, Config) ->
+ case os:type() of
+ {win32, _} ->
+ {skip,"Should not work on windows"};
+ _ ->
+ Config
+ end;
init_per_testcase(_TC,Config) ->
Config.
@@ -261,13 +270,38 @@ deep_list_command(Config) when is_list(Config) ->
%% FYI: [$e, $c, "ho"] =:= io_lib:format("ec~s", ["ho"])
ok.
-%% Test to take sure that the correct data is
+%% Test to make sure that the correct data is
%% received when doing large commands.
large_output_command(Config) when is_list(Config) ->
%% Maximum allowed on windows is 8192, so we test well below that
AAA = lists:duplicate(7000, $a),
comp(AAA,os:cmd("echo " ++ AAA)).
+%% Test that it is possible on unix to start a background task using os:cmd.
+background_command() ->
+ [{timetrap, {seconds, 5}}].
+background_command(_Config) ->
+ %% This testcase fails when the os:cmd takes
+ %% longer then the 5 second timeout
+ os:cmd("sleep 10&").
+
+%% Test that message does not leak to the calling process
+message_leak(_Config) ->
+ process_flag(trap_exit, true),
+
+ os:cmd("echo hello"),
+ [] = receive_all(),
+
+ case os:type() of
+ {unix, _} ->
+ os:cmd("while true; do echo hello; done&"),
+ [] = receive_all();
+ _ ->
+ ok % Cannot background on non-unix
+ end,
+
+ process_flag(trap_exit, false).
+
%% 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 e7d422d03c..cdd200a234 100644
--- a/lib/kernel/vsn.mk
+++ b/lib/kernel/vsn.mk
@@ -1 +1 @@
-KERNEL_VSN = 5.0
+KERNEL_VSN = 5.0.2
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-31 10:43:06 +0000