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-rw-r--r--lib/erl_interface/test/ei_accept_SUITE.erl112
-rw-r--r--lib/erl_interface/test/ei_accept_SUITE_data/ei_accept_test.c32
-rw-r--r--lib/erl_interface/test/ei_decode_SUITE.erl29
-rw-r--r--lib/erl_interface/test/ei_decode_SUITE_data/ei_decode_test.c4
-rw-r--r--lib/erl_interface/test/ei_decode_encode_SUITE.erl5
-rw-r--r--lib/erl_interface/test/ei_encode_SUITE.erl36
-rw-r--r--lib/erl_interface/test/ei_tmo_SUITE_data/ei_tmo_test.c3
-rw-r--r--lib/erl_interface/test/erl_eterm_SUITE.erl4
-rw-r--r--lib/erl_interface/test/erl_ext_SUITE_data/ext_test.c12
-rw-r--r--lib/erl_interface/test/runner.erl9
10 files changed, 169 insertions, 77 deletions
diff --git a/lib/erl_interface/test/ei_accept_SUITE.erl b/lib/erl_interface/test/ei_accept_SUITE.erl
index e06ee762d7..85c567acd3 100644
--- a/lib/erl_interface/test/ei_accept_SUITE.erl
+++ b/lib/erl_interface/test/ei_accept_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2001-2016. All Rights Reserved.
+%% Copyright Ericsson AB 2001-2018. 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.
@@ -25,7 +25,8 @@
-include("ei_accept_SUITE_data/ei_accept_test_cases.hrl").
-export([all/0, suite/0,
- ei_accept/1, ei_threaded_accept/1]).
+ ei_accept/1, ei_threaded_accept/1,
+ monitor_ei_process/1]).
-import(runner, [get_term/1,send_term/2]).
@@ -34,7 +35,8 @@ suite() ->
{timetrap, {seconds, 30}}].
all() ->
- [ei_accept, ei_threaded_accept].
+ [ei_accept, ei_threaded_accept,
+ monitor_ei_process].
ei_accept(Config) when is_list(Config) ->
P = runner:start(?interpret),
@@ -44,33 +46,32 @@ ei_accept(Config) when is_list(Config) ->
io:format("Myname ~p ~n", [Myname]),
EINode = list_to_atom("c42@"++Myname),
io:format("EINode ~p ~n", [EINode]),
+
+ %% We take this opportunity to also test export-funs and bit-strings
+ %% with (ugly) tuple fallbacks.
+ %% Test both toward pending connection and established connection.
+ RealTerms = [<<1:1>>, fun lists:map/2],
+ Fallbacks = [{<<128>>,1}, {lists,map}],
+
Self = self(),
- TermToSend= {call, Self, "Test"},
- F= fun() ->
- case waitfornode("c42",20) of
- true ->
- {any, EINode} ! TermToSend,
- Self ! sent_ok;
- false ->
- Self ! never_published
- end,
- ok
- end,
-
- spawn(F),
+ Funny = fun() -> hello end,
+ TermToSend = {call, Self, "Test", Funny, RealTerms},
+ TermToGet = {call, Self, "Test", Funny, Fallbacks},
Port = 6543,
- {ok, Fd, _Node} = ei_accept(P, Port),
- TermReceived= ei_receive(P, Fd),
- io:format("Sent ~p received ~p ~n", [TermToSend, TermReceived]),
- TermToSend= TermReceived,
- receive
- sent_ok ->
- ok;
- Unknown ->
- io:format("~p ~n", [Unknown])
- after 1000 ->
- io:format("timeout ~n")
- end,
+ {ok, ListenFd} = ei_publish(P, Port),
+ {any, EINode} ! TermToSend,
+
+ {ok, Fd, _Node} = ei_accept(P, ListenFd),
+ Got1 = ei_receive(P, Fd),
+
+ %% Send again, now without auto-connect
+ {any, EINode} ! TermToSend,
+ Got2 = ei_receive(P, Fd),
+
+ io:format("Sent ~p~nExp. ~p~nGot1 ~p~nGot2 ~p~n", [TermToSend, TermToGet, Got1, Got2]),
+ TermToGet = Got1,
+ TermToGet = Got2,
+
runner:finish(P),
ok.
@@ -87,6 +88,41 @@ ei_threaded_accept(Config) when is_list(Config) ->
[receive I -> ok end || I <- lists:seq(0, N-1) ],
ok.
+
+%% Test erlang:monitor toward erl_interface "processes"
+monitor_ei_process(Config) when is_list(Config) ->
+ P = runner:start(?interpret),
+ 0 = ei_connect_init(P, 42, erlang:get_cookie(), 0),
+
+ Myname = hd(tl(string:tokens(atom_to_list(node()), "@"))),
+ io:format("Myname ~p ~n", [Myname]),
+ EINode = list_to_atom("c42@"++Myname),
+ io:format("EINode ~p ~n", [EINode]),
+
+ Self = self(),
+ Port = 6543,
+ {ok, ListenFd} = ei_publish(P, Port),
+ MRef1 = erlang:monitor(process, {any, EINode}),
+ {any, EINode} ! hello,
+
+ {ok, Fd, _Node} = ei_accept(P, ListenFd),
+ hello = ei_receive(P, Fd),
+
+ %% Again, now on an established connection.
+ MRef2 = erlang:monitor(process, {any, EINode}),
+ {any, EINode} ! hello,
+ hello = ei_receive(P, Fd),
+
+ ok = receive M -> M after 0 -> ok end,
+
+ runner:finish(P),
+
+ [{'DOWN', MRef1, process, {any, EINode}, noconnection},
+ {'DOWN', MRef2, process, {any, EINode}, noconnection}
+ ] = lists:sort(flush(2, 1000)),
+
+ ok.
+
waitfornode(String,0) ->
io:format("~s never published itself.~n",[String]),
false;
@@ -137,8 +173,15 @@ ei_connect_init(P, Num, Cookie, Creation) ->
{term,Int} when is_integer(Int) -> Int
end.
-ei_accept(P, PortNo) ->
- send_command(P, ei_accept, [PortNo]),
+ei_publish(P, PortNo) ->
+ send_command(P, ei_publish, [PortNo]),
+ case get_term(P) of
+ {term,{ListenFd, EpmdFd, _}} when ListenFd >= 0, EpmdFd >= 0 -> {ok, ListenFd};
+ {term,{_, _, Errno}} -> {error,Errno}
+ end.
+
+ei_accept(P, ListenFd) ->
+ send_command(P, ei_accept, [ListenFd]),
case get_term(P) of
{term,{Fd, _, Node}} when Fd >= 0 -> {ok, Fd, Node};
{term,{_Fd, Errno, _Node}} -> {error,Errno}
@@ -151,3 +194,12 @@ ei_receive(P, Fd) ->
send_command(P, Name, Args) ->
runner:send_term(P, {Name,list_to_tuple(Args)}).
+
+flush(0, Timeout) ->
+ flush(1, Timeout div 10);
+flush(Expected, Timeout) ->
+ receive M ->
+ [M | flush(Expected-1, Timeout)]
+ after Timeout ->
+ []
+ end.
diff --git a/lib/erl_interface/test/ei_accept_SUITE_data/ei_accept_test.c b/lib/erl_interface/test/ei_accept_SUITE_data/ei_accept_test.c
index 7b81ee5491..04bba90732 100644
--- a/lib/erl_interface/test/ei_accept_SUITE_data/ei_accept_test.c
+++ b/lib/erl_interface/test/ei_accept_SUITE_data/ei_accept_test.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 2001-2016. All Rights Reserved.
+ * Copyright Ericsson AB 2001-2018. 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.
@@ -43,6 +43,7 @@
#include "ei_runner.h"
static void cmd_ei_connect_init(char* buf, int len);
+static void cmd_ei_publish(char* buf, int len);
static void cmd_ei_accept(char* buf, int len);
static void cmd_ei_receive(char* buf, int len);
static void cmd_ei_unpublish(char* buf, int len);
@@ -58,6 +59,7 @@ static struct {
void (*func)(char* buf, int len);
} commands[] = {
"ei_connect_init", 3, cmd_ei_connect_init,
+ "ei_publish", 1, cmd_ei_publish,
"ei_accept", 1, cmd_ei_accept,
"ei_receive", 1, cmd_ei_receive,
"ei_unpublish", 0, cmd_ei_unpublish
@@ -149,11 +151,10 @@ static int my_listen(int port)
return listen_fd;
}
-static void cmd_ei_accept(char* buf, int len)
+static void cmd_ei_publish(char* buf, int len)
{
int index = 0;
int listen, r;
- ErlConnect conn;
long port;
ei_x_buff x;
int i;
@@ -170,6 +171,29 @@ static void cmd_ei_accept(char* buf, int len)
#ifdef VXWORKS
save_fd(i);
#endif
+ /* send listen-fd, result and errno */
+ ei_x_new_with_version(&x);
+ ei_x_encode_tuple_header(&x, 3);
+ ei_x_encode_long(&x, listen);
+ ei_x_encode_long(&x, i);
+ ei_x_encode_long(&x, erl_errno);
+ send_bin_term(&x);
+ ei_x_free(&x);
+}
+
+static void cmd_ei_accept(char* buf, int len)
+{
+ int index = 0;
+ int r;
+ ErlConnect conn;
+ long listen;
+ ei_x_buff x;
+ int i;
+
+ /* get port */
+ if (ei_decode_long(buf, &index, &listen) < 0)
+ fail("expected int (listen fd)");
+
r = ei_accept(&ec, listen, &conn);
#ifdef VXWORKS
save_fd(r);
@@ -200,7 +224,7 @@ static void cmd_ei_receive(char* buf, int len)
if (got == ERL_TICK)
continue;
if (got == ERL_ERROR)
- fail("ei_xreceive_msg");
+ fail1("ei_xreceive_msg, got==%d", got);
break;
}
index = 1;
diff --git a/lib/erl_interface/test/ei_decode_SUITE.erl b/lib/erl_interface/test/ei_decode_SUITE.erl
index 1495a0d5d9..74fb9b8916 100644
--- a/lib/erl_interface/test/ei_decode_SUITE.erl
+++ b/lib/erl_interface/test/ei_decode_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2004-2016. All Rights Reserved.
+%% Copyright Ericsson AB 2004-2017. 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.
@@ -99,7 +99,7 @@ test_ei_decode_ulonglong(Config) when is_list(Config) ->
%% ######################################################################## %%
-%% A "character" for us is an 8 bit integer, alwasy positive, i.e.
+%% A "character" for us is an 8 bit integer, always positive, i.e.
%% it is unsigned.
%% FIXME maybe the API should change to use "unsigned char" to be clear?!
@@ -179,7 +179,8 @@ test_ei_decode_misc(Config) when is_list(Config) ->
send_term_as_binary(P,foo),
send_term_as_binary(P,''),
- send_term_as_binary(P,'ÅÄÖåäö'),
+ %%send_term_as_binary(P,'ÅÄÖåäö'),
+ send_latin1_atom_as_binary(P, "ÅÄÖåäö"),
send_term_as_binary(P,"foo"),
send_term_as_binary(P,""),
@@ -200,18 +201,19 @@ test_ei_decode_misc(Config) when is_list(Config) ->
test_ei_decode_utf8_atom(Config) ->
P = runner:start(?test_ei_decode_utf8_atom),
- send_utf8_atom_as_binary(P,"å"),
- send_utf8_atom_as_binary(P,"ä"),
- send_term_as_binary(P,'ö'),
- send_term_as_binary(P,'õ'),
+ send_latin1_atom_as_binary(P,"å"),
+ send_latin1_atom_as_binary(P,"ä"),
+ send_latin1_atom_as_binary(P,"ö"),
+ send_latin1_atom_as_binary(P,"õ"),
send_utf8_atom_as_binary(P,[1758]),
send_utf8_atom_as_binary(P,[1758,1758]),
send_utf8_atom_as_binary(P,[1758,1758,1758]),
send_utf8_atom_as_binary(P,[1758,1758,1758,1758]),
- send_utf8_atom_as_binary(P,"a"),
- send_utf8_atom_as_binary(P,"b"),
+ send_latin1_atom_as_binary(P,"a"),
+ send_latin1_atom_as_binary(P,"b"),
+
send_term_as_binary(P,'c'),
send_term_as_binary(P,'d'),
@@ -230,6 +232,9 @@ send_raw(Port, Bin) when is_port(Port) ->
send_utf8_atom_as_binary(Port, String) ->
Port ! {self(), {command, term_to_binary(uc_atup(String))}}.
+send_latin1_atom_as_binary(Port, String) ->
+ Port ! {self(), {command, encode_latin1_atom(String)}}.
+
send_integers(P) ->
send_term_as_binary(P,0), % SMALL_INTEGER_EXT smallest
send_term_as_binary(P,255), % SMALL_INTEGER_EXT largest
@@ -304,6 +309,12 @@ send_integers2(P) ->
send_term_as_binary(P, []), % illegal type
ok.
+encode_latin1_atom(String) ->
+ Len = length(String),
+ %% Use ATOM_EXT (not SMALL_*) to simulate old term_to_binary
+ TagLen = [$d, Len bsr 8, Len band 16#ff],
+ list_to_binary([131, TagLen, String]).
+
uc_atup(ATxt) ->
string_to_atom(ATxt).
diff --git a/lib/erl_interface/test/ei_decode_SUITE_data/ei_decode_test.c b/lib/erl_interface/test/ei_decode_SUITE_data/ei_decode_test.c
index cfe9083065..b7a2c4bb8b 100644
--- a/lib/erl_interface/test/ei_decode_SUITE_data/ei_decode_test.c
+++ b/lib/erl_interface/test/ei_decode_SUITE_data/ei_decode_test.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 2004-2016. All Rights Reserved.
+ * Copyright Ericsson AB 2004-2017. 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.
@@ -102,7 +102,7 @@ int ei_decode_my_string(const char *buf, int *index, char *to,
} \
\
if (size1 != SIZE) { \
- fail("size of encoded data is incorrect"); \
+ fail1("size of encoded data (%d) is incorrect", size1); \
return; \
} \
} \
diff --git a/lib/erl_interface/test/ei_decode_encode_SUITE.erl b/lib/erl_interface/test/ei_decode_encode_SUITE.erl
index 570a91e2da..160720b413 100644
--- a/lib/erl_interface/test/ei_decode_encode_SUITE.erl
+++ b/lib/erl_interface/test/ei_decode_encode_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2004-2016. All Rights Reserved.
+%% Copyright Ericsson AB 2004-2017. 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.
@@ -125,7 +125,7 @@ test_ei_decode_encode(Config) when is_list(Config) ->
% We read two packets for each test, the ei_decode_encode and ei_x_decode_encode version....
send_rec(P, Term) when is_port(P) ->
- P ! {self(), {command, term_to_binary(Term)}},
+ P ! {self(), {command, term_to_binary(Term, [{minor_version, 2}])}},
{_B,Term} = get_buf_and_term(P).
@@ -170,7 +170,6 @@ get_binary(P) ->
-define(VERSION_MAGIC, 131).
--define(ATOM_EXT, 100).
-define(REFERENCE_EXT, 101).
-define(PORT_EXT, 102).
-define(PID_EXT, 103).
diff --git a/lib/erl_interface/test/ei_encode_SUITE.erl b/lib/erl_interface/test/ei_encode_SUITE.erl
index ac6ec9cf4e..8857b092f3 100644
--- a/lib/erl_interface/test/ei_encode_SUITE.erl
+++ b/lib/erl_interface/test/ei_encode_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2004-2016. All Rights Reserved.
+%% Copyright Ericsson AB 2004-2017. 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.
@@ -184,17 +184,17 @@ test_ei_encode_misc(Config) when is_list(Config) ->
{<<70,_:8/binary>>,Fp1} = get_buf_and_term(P),
true = match_float(Fp1, 1.0),
- {<<100,0,5,"false">>,false} = get_buf_and_term(P),
- {<<100,0,4,"true">> ,true} = get_buf_and_term(P),
- {<<100,0,4,"true">> ,true} = get_buf_and_term(P),
- {<<100,0,4,"true">> ,true} = get_buf_and_term(P),
+ {<<$w,5,"false">>,false} = get_buf_and_term(P),
+ {<<$w,4,"true">> ,true} = get_buf_and_term(P),
+ {<<$w,4,"true">> ,true} = get_buf_and_term(P),
+ {<<$w,4,"true">> ,true} = get_buf_and_term(P),
- {<<100,0,3,"foo">>,foo} = get_buf_and_term(P),
- {<<100,0,3,"foo">>,foo} = get_buf_and_term(P),
- {<<100,0,0,"">>,''} = get_buf_and_term(P),
- {<<100,0,0,"">>,''} = get_buf_and_term(P),
- {<<100,0,6,"ÅÄÖåäö">>,'ÅÄÖåäö'} = get_buf_and_term(P),
- {<<100,0,6,"ÅÄÖåäö">>,'ÅÄÖåäö'} = get_buf_and_term(P),
+ {<<$w,3,"foo">>,foo} = get_buf_and_term(P),
+ {<<$w,3,"foo">>,foo} = get_buf_and_term(P),
+ {<<$w,0,"">>,''} = get_buf_and_term(P),
+ {<<$w,0,"">>,''} = get_buf_and_term(P),
+ {<<$w,12,"ÅÄÖåäö"/utf8>>,'ÅÄÖåäö'} = get_buf_and_term(P),
+ {<<$w,12,"ÅÄÖåäö"/utf8>>,'ÅÄÖåäö'} = get_buf_and_term(P),
{<<107,0,3,"foo">>,"foo"} = get_buf_and_term(P),
{<<107,0,3,"foo">>,"foo"} = get_buf_and_term(P),
@@ -239,12 +239,12 @@ test_ei_encode_utf8_atom(Config) ->
P = runner:start(?test_ei_encode_utf8_atom),
{<<119,2,195,133>>,'Å'} = get_buf_and_term(P),
- {<<100,0,1,197>>,'Å'} = get_buf_and_term(P),
- {<<100,0,1,197>>,'Å'} = get_buf_and_term(P),
+ {<<119,2,195,133>>,'Å'} = get_buf_and_term(P),
+ {<<119,2,195,133>>,'Å'} = get_buf_and_term(P),
{<<119,2,195,133>>,'Å'} = get_buf_and_term(P),
{<<119,1,$A>>,'A'} = get_buf_and_term(P),
- {<<100,0,1,$A>>,'A'} = get_buf_and_term(P),
+ {<<119,1,$A>>,'A'} = get_buf_and_term(P),
runner:recv_eot(P),
ok.
@@ -254,13 +254,13 @@ test_ei_encode_utf8_atom_len(Config) ->
P = runner:start(?test_ei_encode_utf8_atom_len),
{<<119,2,195,133>>,'Å'} = get_buf_and_term(P),
- {<<100,0,2,197,196>>,'ÅÄ'} = get_buf_and_term(P),
- {<<100,0,1,197>>,'Å'} = get_buf_and_term(P),
+ {<<119,4,195,133,195,132>>,'ÅÄ'} = get_buf_and_term(P),
+ {<<119,2,195,133>>,'Å'} = get_buf_and_term(P),
{<<119,4,195,133,195,132>>,'ÅÄ'} = get_buf_and_term(P),
{<<119,1,$A>>,'A'} = get_buf_and_term(P),
- {<<100,0,2,$A,$B>>,'AB'} = get_buf_and_term(P),
- {<<100,0,255,_:(255*8)>>,_} = get_buf_and_term(P),
+ {<<119,2,$A,$B>>,'AB'} = get_buf_and_term(P),
+ {<<119,255,_:(255*8)>>,_} = get_buf_and_term(P),
runner:recv_eot(P),
ok.
diff --git a/lib/erl_interface/test/ei_tmo_SUITE_data/ei_tmo_test.c b/lib/erl_interface/test/ei_tmo_SUITE_data/ei_tmo_test.c
index 0079ef8c86..39846e4a58 100644
--- a/lib/erl_interface/test/ei_tmo_SUITE_data/ei_tmo_test.c
+++ b/lib/erl_interface/test/ei_tmo_SUITE_data/ei_tmo_test.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 2003-2016. All Rights Reserved.
+ * Copyright Ericsson AB 2003-2018. 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.
@@ -19,6 +19,7 @@
*/
#include <stdio.h>
+#include <stdlib.h>
#include <string.h>
#ifdef VXWORKS
#include "reclaim.h"
diff --git a/lib/erl_interface/test/erl_eterm_SUITE.erl b/lib/erl_interface/test/erl_eterm_SUITE.erl
index 0e51a50c19..3d1e33081b 100644
--- a/lib/erl_interface/test/erl_eterm_SUITE.erl
+++ b/lib/erl_interface/test/erl_eterm_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2017. 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.
@@ -31,7 +31,7 @@
%%% 2. Constructing terms (the erl_mk_xxx() functions and erl_copy_term()).
%%% 3. Extracting & info functions (erl_hd(), erl_length() etc).
%%% 4. I/O list functions.
-%%% 5. Miscellanous functions.
+%%% 5. Miscellaneous functions.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-export([all/0, suite/0,
diff --git a/lib/erl_interface/test/erl_ext_SUITE_data/ext_test.c b/lib/erl_interface/test/erl_ext_SUITE_data/ext_test.c
index 36cf086ed2..1e986feacf 100644
--- a/lib/erl_interface/test/erl_ext_SUITE_data/ext_test.c
+++ b/lib/erl_interface/test/erl_ext_SUITE_data/ext_test.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 2002-2016. All Rights Reserved.
+ * Copyright Ericsson AB 2002-2017. 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.
@@ -407,7 +407,7 @@ test_compare_ext(char *test_desc,
}
-#define ATOM_EXT (100)
+#define SMALL_ATOM_UTF8_EXT (119)
#define REFERENCE_EXT (101)
#define PORT_EXT (102)
#define PID_EXT (103)
@@ -429,13 +429,13 @@ write_atom(unsigned char *buf, char *atom)
len = 0;
while(atom[len]) {
- buf[len + 3] = atom[len];
+ buf[len + 2] = atom[len];
len++;
}
- buf[0] = ATOM_EXT;
- PUT_UINT16(&buf[1], len);
+ buf[0] = SMALL_ATOM_UTF8_EXT;
+ buf[1] = len;
- return buf + 3 + len;
+ return buf + 2 + len;
}
static unsigned char *
diff --git a/lib/erl_interface/test/runner.erl b/lib/erl_interface/test/runner.erl
index 1084eec2a3..947e56c4e0 100644
--- a/lib/erl_interface/test/runner.erl
+++ b/lib/erl_interface/test/runner.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2018. 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.
@@ -67,7 +67,12 @@ start({Prog, Tc}) when is_list(Prog), is_integer(Tc) ->
finish(Port) when is_port(Port) ->
send_eot(Port),
- recv_eot(Port).
+ ok = recv_eot(Port),
+ 0 = receive
+ {Port,{exit_status,Status}} ->
+ Status
+ end,
+ ok.
%% Sends an Erlang term to a C program.