From 323c2129e335228ef98001c940effdc38e6e5043 Mon Sep 17 00:00:00 2001 From: Rickard Green Date: Wed, 10 Mar 2010 09:48:27 +0000 Subject: OTP-8487 unregister/1 on a port can cause the non-smp runtime to crash A call to the BIF unregister(RegName) when a port had the name RegName registered in the runtime system without SMP support caused a runtime system crash. (Thanks to Per Hedeland for the bugfix and test case.) --- erts/emulator/test/port_SUITE.erl | 20 +++++++++++++------- 1 file changed, 13 insertions(+), 7 deletions(-) (limited to 'erts/emulator/test/port_SUITE.erl') diff --git a/erts/emulator/test/port_SUITE.erl b/erts/emulator/test/port_SUITE.erl index 9a09d20eab..b9100738e4 100644 --- a/erts/emulator/test/port_SUITE.erl +++ b/erts/emulator/test/port_SUITE.erl @@ -1,19 +1,19 @@ %% %% %CopyrightBegin% -%% -%% Copyright Ericsson AB 1997-2009. All Rights Reserved. -%% +%% +%% Copyright Ericsson AB 1997-2010. All Rights Reserved. +%% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in %% compliance with the License. You should have received a copy of the %% Erlang Public License along with this software. If not, it can be %% retrieved online at http://www.erlang.org/. -%% +%% %% Software distributed under the License is distributed on an "AS IS" %% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See %% the License for the specific language governing rights and limitations %% under the License. -%% +%% %% %CopyrightEnd% %% @@ -88,7 +88,8 @@ otp_3906/1, otp_4389/1, win_massive/1, win_massive_client/1, mix_up_ports/1, otp_5112/1, otp_5119/1, otp_6224/1, exit_status_multi_scheduling_block/1, ports/1, - spawn_driver/1,spawn_executable/1]). + spawn_driver/1,spawn_executable/1, + unregister_name/1]). -export([]). @@ -112,7 +113,8 @@ all(suite) -> otp_3906, otp_4389, win_massive, mix_up_ports, otp_5112, otp_5119, exit_status_multi_scheduling_block, - ports, spawn_driver, spawn_executable + ports, spawn_driver, spawn_executable, + unregister_name ]. -define(DEFAULT_TIMEOUT, ?t:minutes(5)). @@ -1434,6 +1436,10 @@ spawn_executable(Config) when is_list(Config) -> ?line test_server:timetrap_cancel(Dog), ok. +unregister_name(Config) when is_list(Config) -> + ?line true = register(crash, open_port({spawn, "sleep 100"}, [])), + ?line true = unregister(crash). + test_bat_file(Dir) -> FN = "tf.bat", Full = filename:join([Dir,FN]), -- cgit v1.2.3