diff options
Diffstat (limited to 'lib/kernel')
-rw-r--r-- | lib/kernel/doc/src/notes.xml | 35 | ||||
-rw-r--r-- | lib/kernel/src/code_server.erl | 26 | ||||
-rw-r--r-- | lib/kernel/src/erl_epmd.erl | 6 | ||||
-rw-r--r-- | lib/kernel/src/inet_tcp_dist.erl | 2 | ||||
-rw-r--r-- | lib/kernel/src/os.erl | 64 | ||||
-rw-r--r-- | lib/kernel/test/gen_sctp_SUITE.erl | 148 | ||||
-rw-r--r-- | lib/kernel/test/os_SUITE.erl | 40 | ||||
-rw-r--r-- | lib/kernel/vsn.mk | 2 |
8 files changed, 225 insertions, 98 deletions
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 + & 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/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/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_tcp_dist.erl b/lib/kernel/src/inet_tcp_dist.erl index f91d7ef7c3..94bde55133 100644 --- a/lib/kernel/src/inet_tcp_dist.erl +++ b/lib/kernel/src/inet_tcp_dist.erl @@ -74,7 +74,7 @@ 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 -> 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/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 |