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authorLukas Larsson <[email protected]>2014-01-08 18:54:15 +0100
committerLukas Larsson <[email protected]>2014-02-24 15:16:03 +0100
commitcd69c2a54201b4e0c4ba86d4248937120e1957e7 (patch)
treed9bdfe069adfb87d850f609753a342e4c9b4e899 /lib/kernel
parentb309ad9b4a3e4ff2d6d3a6e6270d37355a798bb1 (diff)
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ose: Create OSE application
Create an specific OSE application that mainly contains documentation around the OSE specific part of Erlang/OTP.
Diffstat (limited to 'lib/kernel')
-rw-r--r--lib/kernel/doc/src/Makefile27
-rw-r--r--lib/kernel/doc/src/ref_man.xml67
-rw-r--r--lib/kernel/src/Makefile4
-rw-r--r--lib/kernel/src/ose.erl452
-rw-r--r--lib/kernel/test/Makefile4
-rw-r--r--lib/kernel/test/ose_SUITE.erl765
6 files changed, 70 insertions, 1249 deletions
diff --git a/lib/kernel/doc/src/Makefile b/lib/kernel/doc/src/Makefile
index 7f8023aba4..ec5d1f09e4 100644
--- a/lib/kernel/doc/src/Makefile
+++ b/lib/kernel/doc/src/Makefile
@@ -32,12 +32,6 @@ APPLICATION=kernel
RELSYSDIR = $(RELEASE_PATH)/lib/$(APPLICATION)-$(VSN)
# ----------------------------------------------------
-# Help application directory specification
-# ----------------------------------------------------
-EDOC_DIR = $(ERL_TOP)/lib/edoc
-SYNTAX_TOOLS_DIR = $(ERL_TOP)/lib/syntax_tools
-
-# ----------------------------------------------------
# Target Specs
# ----------------------------------------------------
XML_APPLICATION_FILES = ref_man.xml
@@ -71,12 +65,6 @@ XML_REF3_FILES = application.xml \
user.xml \
zlib_stub.xml
-ifeq ($(findstring ose,$(TARGET)),ose)
-XML_EDOC_FILES = ose.xml
-else
-XML_EDOC_FILES =
-endif
-
XML_REF4_FILES = app.xml config.xml
XML_REF6_FILES = kernel_app.xml
@@ -88,8 +76,8 @@ BOOK_FILES = book.xml
XML_FILES = \
$(BOOK_FILES) $(XML_CHAPTER_FILES) \
- $(XML_PART_FILES) $(XML_REF3_FILES) $(XML_EDOC_FILES)\
- $(XML_REF4_FILES) $(XML_REF6_FILES) $(XML_APPLICATION_FILES)
+ $(XML_PART_FILES) $(XML_REF3_FILES) $(XML_REF4_FILES)\
+ $(XML_REF6_FILES) $(XML_APPLICATION_FILES)
# ----------------------------------------------------
@@ -115,7 +103,7 @@ TOP_SPECS_FILE = specs.xml
# ----------------------------------------------------
XML_FLAGS +=
-SRC_DIR = ../../src
+SPECS_ESRC = ../../src
SPECS_FLAGS = -I../../include
@@ -160,15 +148,6 @@ $(SPECDIR)/specs_zlib_stub.xml:
escript $(SPECS_EXTRACTOR) $(SPECS_FLAGS) \
-o$(dir $@) -module zlib_stub
-ose.xml: $(SRC_DIR)/ose.erl
- escript $(DOCGEN)/priv/bin/xml_from_edoc.escript $(SRC_DIR)/$(@:%.xml=%.erl)
-ref_man.xml: ref_man.xml.src
-ifeq ($(findstring ose,$(TARGET)),ose)
- sed -e 's:\(os.xml"/>\):\1\n<xi\:include href="ose.xml"/>:' $< > $@
-else
- cp $< $@
-endif
-
# ----------------------------------------------------
# Release Target
# ----------------------------------------------------
diff --git a/lib/kernel/doc/src/ref_man.xml b/lib/kernel/doc/src/ref_man.xml
new file mode 100644
index 0000000000..bd25d1e78d
--- /dev/null
+++ b/lib/kernel/doc/src/ref_man.xml
@@ -0,0 +1,67 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<!DOCTYPE application SYSTEM "application.dtd">
+
+<application xmlns:xi="http://www.w3.org/2001/XInclude">
+ <header>
+ <copyright>
+ <year>1996</year><year>2013</year>
+ <holder>Ericsson AB. All Rights Reserved.</holder>
+ </copyright>
+ <legalnotice>
+ 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.
+
+ </legalnotice>
+
+ <title>Kernel Reference Manual</title>
+ <prepared></prepared>
+ <docno></docno>
+ <date></date>
+ <rev></rev>
+ </header>
+ <description>
+ <p>The <em>Kernel</em> application has all the code necessary to run
+ the Erlang runtime system itself: file servers and code servers
+ and so on.</p>
+ </description>
+ <xi:include href="kernel_app.xml"/>
+ <xi:include href="application.xml"/>
+ <xi:include href="auth.xml"/>
+ <xi:include href="code.xml"/>
+ <xi:include href="disk_log.xml"/>
+ <xi:include href="erl_boot_server.xml"/>
+ <xi:include href="erl_ddll.xml"/>
+ <xi:include href="erl_prim_loader_stub.xml"/>
+ <xi:include href="erlang_stub.xml"/>
+ <xi:include href="error_handler.xml"/>
+ <xi:include href="error_logger.xml"/>
+ <xi:include href="file.xml"/>
+ <xi:include href="gen_tcp.xml"/>
+ <xi:include href="gen_udp.xml"/>
+ <xi:include href="gen_sctp.xml"/>
+ <xi:include href="global.xml"/>
+ <xi:include href="global_group.xml"/>
+ <xi:include href="heart.xml"/>
+ <xi:include href="inet.xml"/>
+ <xi:include href="inet_res.xml"/>
+ <xi:include href="init_stub.xml"/>
+ <xi:include href="net_adm.xml"/>
+ <xi:include href="net_kernel.xml"/>
+ <xi:include href="os.xml"/>
+ <xi:include href="pg2.xml"/>
+ <xi:include href="rpc.xml"/>
+ <xi:include href="seq_trace.xml"/>
+ <xi:include href="user.xml"/>
+ <xi:include href="wrap_log_reader.xml"/>
+ <xi:include href="zlib_stub.xml"/>
+ <xi:include href="app.xml"/>
+ <xi:include href="config.xml"/>
+</application>
diff --git a/lib/kernel/src/Makefile b/lib/kernel/src/Makefile
index 5379006784..cb3c0a49f4 100644
--- a/lib/kernel/src/Makefile
+++ b/lib/kernel/src/Makefile
@@ -117,10 +117,6 @@ MODULES = \
user_sup \
wrap_log_reader
-ifeq ($(findstring ose,$(TARGET)),ose)
-MODULES+=ose
-endif
-
HRL_FILES= ../include/file.hrl ../include/inet.hrl ../include/inet_sctp.hrl \
../include/dist.hrl ../include/dist_util.hrl \
../include/net_address.hrl
diff --git a/lib/kernel/src/ose.erl b/lib/kernel/src/ose.erl
deleted file mode 100644
index ff7147233f..0000000000
--- a/lib/kernel/src/ose.erl
+++ /dev/null
@@ -1,452 +0,0 @@
-%%
-%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 2013. 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%
-%%
-%% @doc Interface module for OSE messaging and process monitoring from Erlang
-%%
-%% For each mailbox created through {@link open/1} a OSE phantom process with
-%% that name is started. Since phantom processes are used the memory footprint
-%% of each mailbox is quite small.
-%%
-%% To receive messages you first have to subscribe to the specific message
-%% numbers that you are interested in with {@link listen/2}. The messages
-%% will be sent to the Erlang process that created the mailbox.
-%%
-%% @end
-%%
--module(ose).
-
-%%==============================================================================
-%% Exported API
-%%==============================================================================
--export([open/1,
- close/1,
- get_id/1,
- get_name/2,
- hunt/2,
- dehunt/2,
- attach/2,
- detach/2,
- send/4,
- send/5,
- listen/2
- ]).
-
-%%==============================================================================
-%% Types
-%%==============================================================================
--opaque mailbox() :: port().
-%% Mailbox handle. Implemented as an erlang port.
-
--opaque mailbox_id() :: integer().
-%% Mailbox ID, this is the same as the process id of an OSE process.
-%% An integer.
-
--type message_number() :: 0..4294967295.
-%% OSE Signal number
-
--opaque hunt_ref() :: {mailbox(),integer()}.
-%% Reference from a hunt request. This term will be included
-%% in a successful hunt response.
-
--opaque attach_ref() :: {mailbox(),integer()}.
-%% Reference from an attach request. This term will be included
-%% in the term returned when the attached mailbox disappears.
-
--export_type([mailbox_id/0,
- message_number/0,
- mailbox/0,
- hunt_ref/0,
- attach_ref/0]).
-
-%%==============================================================================
-%% Defines
-%%==============================================================================
--define(DRIVER_NAME, "ose_signal_drv").
--define(GET_SPID, 1).
--define(GET_NAME, 2).
--define(HUNT, 100).
--define(DEHUNT, 101).
--define(ATTACH, 102).
--define(DETACH, 103).
--define(SEND, 104).
--define(SEND_W_S, 105).
--define(LISTEN, 106).
--define(OPEN, 200).
-
--define(INT_32BIT(Int),(is_integer(Int) andalso (Int >= 0) andalso (Int < (1 bsl 32)))).
-
-%%==============================================================================
-%% API functions
-%%==============================================================================
-
-%%------------------------------------------------------------------------------
-%% @doc Create a mailbox with the given name and return a port that handles
-%% the mailbox.
-%%
-%% An OSE phantom process with the given name will be created that will send any
-%% messages sent through this mailbox. Any messages sent to the new OSE process
-%% will automatically be converted to an Erlang message and sent to the Erlang
-%% process that calls this function. See {@link listen/2} for details about the
-%% format of the message sent.
-%%
-%% The caller gets linked to the created mailbox.
-%%
-%% raises: `badarg' | `system_limit'
-%%
-%% @see liten/2
-%% @end
-%%------------------------------------------------------------------------------
--spec open(Name) -> Port when
- Name :: iodata(),
- Port :: mailbox().
-open(Name) ->
- try open_port({spawn_driver,?DRIVER_NAME}, [binary]) of
- Port ->
- try port_command(Port,[?OPEN,Name]) of
- true ->
- receive
- {ose_drv_reply,Port,{error,Error}} ->
- close(Port),
- erlang:error(Error,[Name]);
- {ose_drv_reply,Port,ok} ->
- Port
- end
- catch
- error:badarg -> close(Port),erlang:error(badarg,[Name])
- end
- catch
- error:badarg -> erlang:error(badarg,[Name])
- end.
-
-%%------------------------------------------------------------------------------
-%% @doc Close a mailbox
-%%
-%% This kills the OSE phantom process associated with this mailbox.
-%%
-%% Will also consume any ``{'EXIT',Port,_}'' message from the port that comes
-%% due to the port closing when the calling process traps exits.
-%%
-%% raises: `badarg'
-%% @end
-%%------------------------------------------------------------------------------
--spec close(Port) -> ok when
- Port :: mailbox().
-close(Port) when is_port(Port) ->
- %% Copied from prim_inet
- case erlang:process_info(self(), trap_exit) of
- {trap_exit,true} ->
- link(Port),
- catch erlang:port_close(Port),
- receive {'EXIT',Port,_} -> ok end;
- {trap_exit,false} ->
- catch erlang:port_close(Port),
- ok
- end;
-close(NotPort) ->
- erlang:error(badarg,[NotPort]).
-
-%%------------------------------------------------------------------------------
-%% @doc Get the mailbox id for the given port.
-%%
-%% The mailbox id is the same as the OSE process id of the OSE phantom process
-%% that this mailbox represents.
-%%
-%% raises: `badarg'
-%% @end
-%%------------------------------------------------------------------------------
--spec get_id(Port) -> Pid when
- Port :: mailbox(),
- Pid :: mailbox_id().
-get_id(Port) ->
- try port_control(Port, ?GET_SPID, <<>>) of
- <<Spid:32>> -> Spid
- catch error:_Error ->
- erlang:error(badarg,[Port])
- end.
-
-%%------------------------------------------------------------------------------
-%% @doc Get the mailbox name for the given mailbox id.
-%%
-%% The mailbox name is the name of the OSE process with process id Pid.
-%%
-%% This call will fail with badarg if the underlying system does not support
-%% getting the name from a process id.
-%%
-%% raises: `badarg'
-%% @end
-%%------------------------------------------------------------------------------
--spec get_name(Port, Pid) -> Name | undefined when
- Port :: mailbox(),
- Pid :: mailbox_id(),
- Name :: binary().
-get_name(Port, Pid) when ?INT_32BIT(Pid) ->
- try port_control(Port, ?GET_NAME, <<Pid:32>>) of
- [] -> undefined;
- Res -> Res
- catch error:_Error ->
- erlang:error(badarg,[Port,Pid])
- end;
-get_name(Port, Pid) ->
- erlang:error(badarg,[Port,Pid]).
-
-
-%%------------------------------------------------------------------------------
-%% @doc Hunt for OSE process by name.
-%%
-%% Will send `{mailbox_up, Port, Ref, MboxId}'
-%% to the calling process when the OSE process becomes available.
-%%
-%% Returns a reference term that can be used to cancel the hunt
-%% using {@link dehunt/2}.
-%%
-%% raises: `badarg'
-%%
-%% @end
-%%------------------------------------------------------------------------------
--spec hunt(Port, HuntPath) -> Ref when
- Port :: mailbox(),
- HuntPath :: iodata(),
- Ref :: hunt_ref().
-hunt(Port, HuntPath) ->
- try port_command(Port, [?HUNT,HuntPath]) of
- true ->
- receive
- {ose_drv_reply,Port,{error,Error}} ->
- erlang:error(Error,[Port,HuntPath]);
- {ose_drv_reply,Port,Ref} ->
- Ref
- end
- catch error:_Error ->
- erlang:error(badarg,[Port,HuntPath])
- end.
-
-%%------------------------------------------------------------------------------
-%% @doc Stop hunting for OSE process.
-%%
-%% If a message for this hunt has been sent but not received
-%% by the calling process, it is removed from the message queue.
-%% Note that this only works if the same process that did
-%% the hunt does the dehunt.
-%%
-%% raises: `badarg'
-%%
-%% @see hunt/2
-%% @end
-%%------------------------------------------------------------------------------
--spec dehunt(Port, Ref) -> ok when
- Port :: mailbox(),
- Ref :: hunt_ref().
-dehunt(Port, {Port,Ref}) when ?INT_32BIT(Ref) ->
- try port_command(Port, <<?DEHUNT:8, Ref:32>>) of
- true ->
- receive
- {ose_drv_reply,Port,{error,enoent}} ->
- %% enoent could mean that it is in the message queue
- receive
- {mailbox_up, Port, {Port,Ref}, _} ->
- ok
- after 0 ->
- ok
- end;
- {ose_drv_reply,Port,ok} ->
- ok
- end
- catch error:_Error ->
- erlang:error(badarg,[Port,{Port,Ref}])
- end;
-dehunt(Port,Ref) ->
- erlang:error(badarg,[Port,Ref]).
-
-%%------------------------------------------------------------------------------
-%% @doc Attach to an OSE process.
-%%
-%% Will send `{mailbox_down, Port, Ref, MboxId}'
-%% to the calling process if the OSE process exits.
-%%
-%% Returns a reference that can be used to cancel the attachment
-%% using {@link detach/2}.
-%%
-%% raises: `badarg' | `enomem'
-%%
-%% @end
-%%------------------------------------------------------------------------------
--spec attach(Port,Pid) -> Ref when
- Port :: mailbox(),
- Pid :: mailbox_id(),
- Ref :: attach_ref().
-attach(Port, Spid) when ?INT_32BIT(Spid) ->
- try port_command(Port, <<?ATTACH:8, Spid:32>>) of
- true ->
- receive
- {ose_drv_reply,Port,{error,Error}} ->
- erlang:error(Error,[Port,Spid]);
- {ose_drv_reply,Port,Ref} ->
- Ref
- end
- catch error:_Error ->
- erlang:error(badarg,[Port,Spid])
- end;
-attach(Port,Spid) ->
- erlang:error(badarg,[Port,Spid]).
-
-
-%%------------------------------------------------------------------------------
-%% @doc Remove attachment to an OSE process.
-%%
-%% If a message for this monitor has been sent but not received
-%% by the calling process, it is removed from the message queue.
-%% Note that this only works of the same process
-%% that did the attach does the detach.
-%%
-%% raises: `badarg'
-%%
-%% @see attach/2
-%% @end
-%%------------------------------------------------------------------------------
--spec detach(Port,Ref) -> ok when
- Port :: mailbox(),
- Ref :: attach_ref().
-detach(Port, {Port,Ref} ) when ?INT_32BIT(Ref) ->
- try port_command(Port, <<?DETACH:8, Ref:32>>) of
- true ->
- receive
- {ose_drv_reply,Port,{error,enoent}} ->
- %% enoent could mean that it is in the message queue
- receive
- {mailbox_down,Port,{Port,Ref},_} ->
- ok
- after 0 ->
- ok
- end;
- {ose_drv_reply,Port,ok} ->
- ok
- end
- catch error:_Error ->
- erlang:error(badarg,[Port,{Port,Ref}])
- end;
-detach(Port,Ref) ->
- erlang:error(badarg,[Port,Ref]).
-
-%%------------------------------------------------------------------------------
-%% @doc Send an OSE message.
-%%
-%% The message is sent from the OSE process' own ID that is: `get_id(Port)'.
-%%
-%% raises: `badarg'
-%%
-%% @see send/5
-%% @end
-%%------------------------------------------------------------------------------
--spec send(Port,Pid,SigNo,SigData) -> ok when
- Port :: mailbox(),
- Pid :: mailbox_id(),
- SigNo :: message_number(),
- SigData :: iodata().
-send(Port, Spid, SigNo, SigData) when ?INT_32BIT(Spid), ?INT_32BIT(SigNo) ->
- try erlang:port_command(Port, [<<?SEND:8, Spid:32, SigNo:32>>, SigData]) of
- true -> ok
- catch error:_Error ->
- erlang:error(badarg,[Port,Spid,SigNo,SigData])
- end;
-send(Port,Spid,SigNo,SigData) ->
- erlang:error(badarg,[Port,Spid,SigNo,SigData]).
-
-
-%%------------------------------------------------------------------------------
-%% @doc Send an OSE message with different sender.
-%%
-%% As {@link send/4} but the sender will be `SenderPid'.
-%%
-%% raises: `badarg'
-%%
-%% @see send/4
-%% @end
-%%------------------------------------------------------------------------------
--spec send(Port,Pid,SenderPid,SigNo,SigData) -> ok when
- Port :: mailbox(),
- Pid :: mailbox_id(),
- SenderPid :: mailbox_id(),
- SigNo :: message_number(),
- SigData :: iodata().
-send(Port, Spid, SenderPid, SigNo, SigData)
- when ?INT_32BIT(Spid), ?INT_32BIT(SenderPid), ?INT_32BIT(SigNo) ->
- try erlang:port_command(Port, [<<?SEND_W_S:8, Spid:32, SenderPid:32,
- SigNo:32>>, SigData]) of
- true -> ok
- catch error:_Error ->
- erlang:error(badarg,[Port,Spid,SenderPid,SigNo,SigData])
- end;
-send(Port,Spid,SenderPid,SigNo,SigData) ->
- erlang:error(badarg,[Port,Spid,SenderPid,SigNo,SigData]).
-
-%%------------------------------------------------------------------------------
-%% @doc Start listening for specified OSE signal numbers.
-%%
-%% The mailbox will send `{message,Port,{FromMboxId,ToMboxId,MsgNo,MsgData}}'
-%% to the process that created the mailbox when an OSE message with any
-%% of the specified `SigNos' arrives.
-%%
-%% Repeated calls to listen will replace the current set of signal numbers to
-%% listen to. i.e
-%%
-%% ```1>ose:listen(MsgB,[1234,12345]).
-%% ok
-%% 2> ose:listen(MsgB,[1234,123456]).
-%% ok.'''
-%%
-%% The above will first listen for signals with numbers 1234 and 12345, and then
-%% replace that with only listening to 1234 and 123456.
-%%
-%% With the current implementation it is not possible to listen to all signal
-%% numbers.
-%%
-%% raises: `badarg' | `enomem'
-%%
-%% @end
-%%------------------------------------------------------------------------------
--spec listen(Port, SigNos) -> ok when
- Port :: mailbox(),
- SigNos :: list(message_number()).
-listen(Port, SigNos) when is_list(SigNos) ->
- USSigNos = lists:usort(SigNos),
- BinSigNos = try
- << <<SigNo:32>> ||
- SigNo <- USSigNos,
- ?INT_32BIT(SigNo) orelse erlang:error(badarg)
- >>
- catch _:_ ->
- erlang:error(badarg,[Port,SigNos])
- end,
- try port_command(Port, [?LISTEN, BinSigNos]) of
- true ->
- receive
- {ose_drv_reply,Port,{error,Error}} ->
- erlang:error(Error,[Port,SigNos]);
- {ose_drv_reply,Port,Else} ->
- Else
- end
- catch error:_Error ->
- erlang:error(badarg,[Port,SigNos])
- end;
-listen(Port, SigNos) ->
- erlang:error(badarg,[Port,SigNos]).
-
-
-%%%=============================================================================
-%%% Internal functions
-%%%=============================================================================
diff --git a/lib/kernel/test/Makefile b/lib/kernel/test/Makefile
index ac28d1aae9..f1b8a105ed 100644
--- a/lib/kernel/test/Makefile
+++ b/lib/kernel/test/Makefile
@@ -79,10 +79,6 @@ MODULES= \
loose_node \
sendfile_SUITE
-ifeq ($(findstring ose,$(TARGET)),ose)
-MODULES+=ose_SUITE
-endif
-
APP_FILES = \
appinc.app \
appinc1.app \
diff --git a/lib/kernel/test/ose_SUITE.erl b/lib/kernel/test/ose_SUITE.erl
deleted file mode 100644
index 7e81b19894..0000000000
--- a/lib/kernel/test/ose_SUITE.erl
+++ /dev/null
@@ -1,765 +0,0 @@
-%%
-%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 1998-2013. 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%
-%%
--module(ose_SUITE).
-
-%-compile(export_all).
-
--export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
- init_per_group/2,end_per_group/2,init_per_testcase/2,
- end_per_testcase/2]).
--export([
- basic/1,stress/1,multi_msg_numbers/1,multi_mailboxes/1,
- hunt/1,multi_hunt/1,dehunt/1,multi_dehunt/1,
- attach/1,multi_attach/1,detach/1,multi_detach/1,
- open_errors/1,close_errors/1,get_id_errors/1,get_name_errors/1,
- hunt_errors/1,dehunt_errors/1,attach_errors/1,detach_errors/1,
- send_errors/1,send_w_s_errors/1,listen_errors/1
- ]).
-
--define(INTERFACE,ose).
-
-
-init_per_testcase(_Func, Config) ->
- Config.
-end_per_testcase(_Func, _Config) ->
- ok.
-
-suite() -> [{timeout,{30,seconds}}].
-
-all() ->
- [
- basic,stress,multi_msg_numbers,multi_mailboxes,
- hunt,multi_hunt,dehunt,multi_dehunt,
- attach,multi_attach,detach,multi_detach,
-
- open_errors,close_errors,get_id_errors,get_name_errors,
- hunt_errors,dehunt_errors,attach_errors,detach_errors,
- send_errors,send_w_s_errors,listen_errors
- ].
-
-groups() ->
- [].
-
-init_per_suite(Config) ->
- case os:type() of
- {ose,_} ->
- Config;
- _Else ->
- {skip,"Only run on OSE"}
- end.
-
-end_per_suite(_Config) ->
- ok.
-
-init_per_group(_GroupName, Config) ->
- Config.
-
-end_per_group(_GroupName, Config) ->
- Config.
-
-basic(_Config) ->
-
- [P1,P2] = multi_open(2,[42]),
- P1Id = ?INTERFACE:get_id(P1),
- P2Id = ?INTERFACE:get_id(P2),
-
- ok = ?INTERFACE:send(P2,P1Id,42,<<"ping">>),
- receive
- {message,P1,V1} ->
- {P2Id,P1Id,42,<<"ping">>} = V1,
- ?INTERFACE:send(P1,P2Id,42,<<"pong">>);
- Else1 ->
- ct:fail({got_wrong_message,Else1})
- end,
-
- receive
- {message,P2,V2} ->
- {P1Id,P2Id,42,<<"pong">>} = V2;
- Else2 ->
- ct:fail({got_wrong_message,Else2})
- end,
-
- ?INTERFACE:close(P1),
- ?INTERFACE:close(P2).
-
-%% Send 1000 messages and see if we can cope and that msg order is preserved
-stress(_Config) ->
-
- Iterations = 1000,
-
- [P1,P2] = multi_open(2,[42]),
- P1Id = ?INTERFACE:get_id(P1),
- P2Id = ?INTERFACE:get_id(P2),
-
- spawn(fun() ->
- n(fun(N) ->
- Msg = [<<"ping">>|integer_to_list(N)],
- ?INTERFACE:send(P2,P1Id,42,Msg)
- end,Iterations)
- end),
- timer:sleep(100),
- n(fun(N) ->
- receive
- {message,P1,Value} ->
- Int = integer_to_binary(N),
- {P2Id,P1Id,42,<<"ping",Int/binary>>} = Value,
- ok;
- Else ->
- ct:fail({got_wrong_message,Else})
- end
- end,Iterations),
-
- ?INTERFACE:close(P1),
- ?INTERFACE:close(P2).
-
-%% Listen to 1000 different message numbers and send some random messages
-multi_msg_numbers(_Config) ->
-
- Iterations = 100,
-
- [P1,P2] = multi_open(2,lists:seq(2000,3000)),
- P1Id = ?INTERFACE:get_id(P1),
-
- n(fun(_) ->
- Num = random:uniform(1000)+2000,
- ?INTERFACE:send(P2,P1Id,Num,<<"ping",(integer_to_binary(Num))/binary>>)
- end,Iterations),
-
- n(fun(_) ->
- receive
- {message,P1,{_,_,Id,<<"ping",Num/binary>>}} when Id > 2000;
- Id =< 3000 ->
- Id = binary_to_integer(Num),
- ok;
- Else ->
- ct:fail({got_wrong_message,Else})
- end
- end,Iterations),
-
- ?INTERFACE:close(P1),
- ?INTERFACE:close(P2).
-
-
-%% Create 100 mailboxes and send messages to them
-multi_mailboxes(_Config) ->
-
- Mailboxes = 100,
-
- [P1|MBs] = multi_open(Mailboxes,[42]),
-
- [?INTERFACE:send(P1,?INTERFACE:get_id(P),42,[<<"ping">>,?INTERFACE:get_name(P,?INTERFACE:get_id(P))]) || P <- MBs],
-
- [receive
- {message,P,Value} ->
- Name = ?INTERFACE:get_name(P,?INTERFACE:get_id(P)),
- {_,_,42,<<"ping",Name/binary>>} = Value,
- ok
- end || P <- MBs],
-
- [?INTERFACE:close(P) || P <- [P1|MBs]],
- ok.
-
-hunt(_Config) ->
- [P1,P2] = multi_open(2,[]),
-
- Ref = ?INTERFACE:hunt(P1,"p2"),
- receive
- {mailbox_up,P1,Ref,Pid} ->
- Pid = ?INTERFACE:get_id(P2),
- ?INTERFACE:close(P1),
- ?INTERFACE:close(P2);
- Else ->
- ct:fail({got_wrong_message,Else,Ref})
- end.
-
-multi_hunt(_Config) ->
-
- Iterations = 100,
-
- P = ?INTERFACE:open("p"),
-
- Refs = [?INTERFACE:hunt(P,"p"++integer_to_list(N))|| N <- lists:seq(1,Iterations)],
-
- Pids = [begin
- Prt = ?INTERFACE:open("p"++integer_to_list(N)),
- Pid = ?INTERFACE:get_id(Prt),
- ?INTERFACE:close(Prt),
- Pid
- end || N <- lists:seq(1,Iterations)],
-
- [receive
- {mailbox_up,P,Ref,Pid} ->
- ok
- after 10 ->
- ct:fail({did_not_get,Pid,Ref})
- end || {Pid,Ref} <- lists:zip(Pids,Refs)],
- ?INTERFACE:close(P).
-
-
-dehunt(_Config) ->
- [P1] = multi_open(1,[]),
- Ref = ?INTERFACE:hunt(P1,"p2"),
- receive
- _Else -> ct:fail({got,_Else})
- after 1000 ->
- ok
- end,
- P2 = ?INTERFACE:open("p2"),
-
- % Make sure any messages are sent
- receive after 10 -> ok end,
-
- ok = ?INTERFACE:dehunt(P1,Ref),
-
- % Make sure no messages are received
- receive
- _Else2 -> ct:fail({got,_Else2})
- after 1000 ->
- ?INTERFACE:close(P1),
- ?INTERFACE:close(P2)
- end.
-
-%%%
-%%% This testcase basically:
-%%% spawn 10 processes that in parallel
-%%% adds some hunts for different OSE processes
-%%% maybe create hunted OSE process
-%%% dehunt half of the hunts
-%%% create more hunts
-%%% if not created create hunted OSE process
-%%% veryify that all expected hunt messages are received
-%%% verify that all processes exited correctly
-%%%
-%%% This complex test is done to make sure that the internal handling
-%%% of dehunt works as expected.
-%%%
-multi_dehunt(_Config) ->
- [P1] = multi_open(1,[]),
-
- Scenario =
- fun(Iterations) ->
-
- Hunted = "p"++integer_to_list(Iterations),
- %% Start a couple of hunts
- Refs = [?INTERFACE:hunt(P1,Hunted) || _ <- lists:seq(1,Iterations)],
-
- %% We alternate if the process is opened before or after the dehunt
- P2O = if Iterations rem 2 == 0 ->
- ?INTERFACE:open(Hunted);
- true ->
- undefined
- end,
-
- %% Remove half of them
- {RemRefs,_} = lists:mapfoldl(fun(Ref,Acc) when Acc rem 2 == 0 ->
- ok = ?INTERFACE:dehunt(P1,Ref),
- {[],Acc+1};
- (Ref,Acc) ->
- {Ref,Acc+1}
- end,0,Refs),
-
- %% Add some new ones
- NewRefs = [?INTERFACE:hunt(P1,Hunted)
- || _ <- lists:seq(1,Iterations div 4)]
- ++ lists:flatten(RemRefs),
-
- P2 = if P2O == undefined ->
- ?INTERFACE:open(Hunted);
- true ->
- P2O
- end,
- P2Id = ?INTERFACE:get_id(P2),
-
- %% Receive all the expected ones
- lists:foreach(fun(Ref) ->
- receive
- {mailbox_up,P1,Ref,P2Id} ->
- ok
- after 1000 ->
- io:format("Flush: ~p~n",[flush()]),
- io:format("~p~n",[{Iterations,{did_not_get, Ref}}]),
- ok = Ref
- end
- end,NewRefs),
-
- %% Check that no other have arrived
- receive
- _Else ->
- io:format("Flush: ~p~n",[flush()]),
- io:format("~p~n",[{Iterations,{got, _Else}}]),
- ok = _Else
- after 100 ->
- ok
- end,
- ?INTERFACE:close(P2)
- end,
-
- Self = self(),
-
- n(fun(N) ->
- spawn(fun() -> Self !
- Scenario(N*25)
- end),
- ok
- end,10),
-
- n(fun(_N) ->
- receive ok -> ok
- after 60000 -> ct:fail(failed)
- end
- end,10),
- ?INTERFACE:close(P1).
-
-attach(_Config) ->
- [P1,P2] = multi_open(2,[]),
-
- P2Id = ?INTERFACE:get_id(P2),
- Ref = ?INTERFACE:attach(P1,P2Id),
- ?INTERFACE:close(P2),
- receive
- {mailbox_down,P1,Ref,P2Id} ->
- ?INTERFACE:close(P1);
- _Else ->
- ct:fail({got,_Else, {P1,Ref,P2Id}})
- after 1000 ->
- ct:fail({did_not_get,P1,Ref,P2Id})
- end.
-
-multi_attach(_Config) ->
-
- Iterations = 100,
-
- [P1|Pids] = multi_open(Iterations,[]),
-
- Refs = [{?INTERFACE:get_id(Pid),?INTERFACE:attach(P1,?INTERFACE:get_id(Pid))} || Pid <- Pids],
-
- [?INTERFACE:close(Pid) || Pid <- Pids],
-
- [receive
- {mailbox_down,P1,Ref,Pid} ->
- ok
- after 10000 ->
- ct:fail({did_not_get,Pid,Ref})
- end || {Pid,Ref} <- Refs],
- ?INTERFACE:close(P1).
-
-detach(_Config) ->
- [P1,P2] = multi_open(2,[]),
- P2Id = ?INTERFACE:get_id(P2),
- Ref = ?INTERFACE:attach(P1,P2Id),
- receive
- _Else -> ct:fail({got,_Else})
- after 100 ->
- ok
- end,
-
- ?INTERFACE:close(P2),
-
- % Make sure any messages are sent
- receive after 10 -> ok end,
-
- ?INTERFACE:detach(P1,Ref),
-
- % Make sure no messages are received
- receive
- _Else2 -> ct:fail({got,_Else2})
- after 1000 ->
- ?INTERFACE:close(P1)
- end.
-
-%%%
-%%% This testcase basically:
-%%% spawn 10 processes that in parallel
-%%% adds some attach for different OSE processes
-%%% maybe close OSE process
-%%% dehunt half of the hunts
-%%% create more hunts
-%%% if not closed close attached OSE process
-%%% veryify that all expected attach messages are received
-%%% verify that all processes exited correctly
-%%%
-%%% This complex test is done to make sure that the internal handling
-%%% of dehunt works as expected.
-%%%
-multi_detach(_Config) ->
- [P1] = multi_open(1,[]),
-
- Scenario =
- fun(Iterations) ->
-
- Attached = ?INTERFACE:open("p"++integer_to_list(Iterations)),
- AttachedId = ?INTERFACE:get_id(Attached),
- %% Start a couple of attachs
- Refs = [?INTERFACE:attach(P1,AttachedId) || _ <- lists:seq(1,Iterations)],
-
- %% We alternate if the process is closed before or after the detach
- P2O = if Iterations rem 2 == 0 ->
- ?INTERFACE:close(Attached);
- true ->
- undefined
- end,
-
- %% Remove half of them
- {RemRefs,_} = lists:mapfoldl(fun(Ref,Acc) when Acc rem 2 == 0 ->
- ok = ?INTERFACE:detach(P1,Ref),
- {[],Acc+1};
- (Ref,Acc) ->
- {Ref,Acc+1}
- end,0,Refs),
-
- %% Add some new ones
- NewRefs = [?INTERFACE:attach(P1,AttachedId)
- || _ <- lists:seq(1,Iterations div 4)]
- ++ lists:flatten(RemRefs),
-
- if P2O == undefined ->
- ?INTERFACE:close(Attached);
- true ->
- P2O
- end,
-
- %% Receive all the expected ones
- lists:foreach(fun(Ref) ->
- receive
- {mailbox_down,P1,Ref,AttachedId} ->
- ok
- after 1000 ->
- io:format("Flush: ~p~n",[flush()]),
- io:format("~p~n",[{Iterations,{did_not_get, Ref}}]),
- ok = Ref
- end
- end,NewRefs),
-
- %% Check that no other have arrived
- receive
- _Else ->
- io:format("Flush: ~p~n",[flush()]),
- io:format("~p~n",[{Iterations,{got, _Else}}]),
- ok = _Else
- after 100 ->
- ok
- end
- end,
-
- Self = self(),
-
- n(fun(N) ->
- spawn(fun() -> Self !
- Scenario(N*5)
- end),
- ok
- end,10),
-
- n(fun(_N) ->
- receive ok -> ok
- after 60000 -> ct:fail(failed)
- end
- end,10),
- ?INTERFACE:close(P1).
-
-
-open_errors(_Config) ->
- {'EXIT',{badarg,[{?INTERFACE,open,[inval],_}|_]}} =
- (catch ?INTERFACE:open(inval)),
- {'EXIT',{badarg,[{?INTERFACE,open,[["p"|1]],_}|_]}} =
- (catch ?INTERFACE:open(["p"|1])),
- {'EXIT',{badarg,[{?INTERFACE,open,[["p",1234]],_}|_]}} =
- (catch ?INTERFACE:open(["p",1234])),
-
- ok.
-
-close_errors(_Config) ->
- {'EXIT',{badarg,[{?INTERFACE,close,[inval],_}|_]}} =
- (catch ?INTERFACE:close(inval)),
-
- P1 = ?INTERFACE:open("p1"),
- ok = ?INTERFACE:close(P1),
- ok = ?INTERFACE:close(P1).
-
-
-get_id_errors(_Config) ->
- {'EXIT',{badarg,[{?INTERFACE,get_id,[inval],_}|_]}} =
- (catch ?INTERFACE:get_id(inval)),
-
- P1 = ?INTERFACE:open("p1"),
- ok = ?INTERFACE:close(P1),
- {'EXIT',{badarg,[{?INTERFACE,get_id,[P1],_}|_]}} =
- (catch ?INTERFACE:get_id(P1)),
-
- ok.
-
-get_name_errors(_Config) ->
- P1 = ?INTERFACE:open("p1"),
- {'EXIT',{badarg,[{?INTERFACE,get_name,[P1,inval],_}|_]}} =
- (catch ?INTERFACE:get_name(P1,inval)),
-
- undefined = ?INTERFACE:get_name(P1,1234),
-
- P2 = ?INTERFACE:open("p2"),
- P2Id = ?INTERFACE:get_id(P2),
- ok = ?INTERFACE:close(P1),
- {'EXIT',{badarg,[{?INTERFACE,get_name,[P1,P2Id],_}|_]}} =
- (catch ?INTERFACE:get_name(P1,P2Id)),
- ?INTERFACE:close(P2),
-
- P3 = ?INTERFACE:open([255]),
- <<255>> = ?INTERFACE:get_name(P3, ?INTERFACE:get_id(P3)),
- ?INTERFACE:close(P3),
-
- ok.
-
-hunt_errors(_Config) ->
-
- {'EXIT',{badarg,[{?INTERFACE,hunt,[inval,"hello"],_}|_]}} =
- (catch ?INTERFACE:hunt(inval,"hello")),
-
- P1 = ?INTERFACE:open("p1"),
- {'EXIT',{badarg,[{?INTERFACE,hunt,[P1,["hello",12345]],_}|_]}} =
- (catch ?INTERFACE:hunt(P1,["hello",12345])),
-
- P2 = ?INTERFACE:open(<<255>>),
- P2Pid = ?INTERFACE:get_id(P2),
- Ref = ?INTERFACE:hunt(P1,[255]),
- receive
- {mailbox_up,P1,Ref,P2Pid} ->
- ok;
- Else ->
- ct:fail({got,Else,{mailbox_up,P1,Ref,P2Pid}})
- after 150 ->
- ct:fail({did_not_get,{mailbox_up,P1,Ref,P2Pid}})
- end,
-
- ok = ?INTERFACE:close(P1),
- ok = ?INTERFACE:close(P2),
- {'EXIT',{badarg,[{?INTERFACE,hunt,[P1,["hello"]],_}|_]}} =
- (catch ?INTERFACE:hunt(P1,["hello"])),
-
- ok.
-
-dehunt_errors(_Config) ->
- P1 = ?INTERFACE:open("p1"),
- Ref = ?INTERFACE:hunt(P1,"p2"),
-
- {'EXIT',{badarg,[{?INTERFACE,dehunt,[inval,Ref],_}|_]}} =
- (catch ?INTERFACE:dehunt(inval,Ref)),
-
- {'EXIT',{badarg,[{?INTERFACE,dehunt,[P1,inval],_}|_]}} =
- (catch ?INTERFACE:dehunt(P1,inval)),
-
- ok = ?INTERFACE:dehunt(P1,Ref),
- ok = ?INTERFACE:dehunt(P1,Ref),
-
- ok = ?INTERFACE:close(P1),
-
- {'EXIT',{badarg,[{?INTERFACE,dehunt,[P1,Ref],_}|_]}} =
- (catch ?INTERFACE:dehunt(P1,Ref)),
-
- case ?INTERFACE of
- ose -> ok;
- _ ->
- P2 = ?INTERFACE:open("p2"),
- ok = ?INTERFACE:close(P2)
- end,
-
- receive
- Else -> ct:fail({got,Else})
- after 100 ->
- ok
- end.
-
-attach_errors(_Config) ->
- P1 = ?INTERFACE:open("p1"),
- P2 = ?INTERFACE:open("p2"),
- P2Id = ?INTERFACE:get_id(P2),
-
- {'EXIT',{badarg,[{?INTERFACE,attach,[inval,P2Id],_}|_]}} =
- (catch ?INTERFACE:attach(inval,P2Id)),
-
- {'EXIT',{badarg,[{?INTERFACE,attach,[P1,[12345]],_}|_]}} =
- (catch ?INTERFACE:attach(P1,[12345])),
-
- ok = ?INTERFACE:close(P1),
- ok = ?INTERFACE:close(P2),
- {'EXIT',{badarg,[{?INTERFACE,attach,[P1,P2Id],_}|_]}} =
- (catch ?INTERFACE:attach(P1,P2Id)),
-
- ok.
-
-detach_errors(_Config) ->
- P1 = ?INTERFACE:open("p1"),
- P2 = ?INTERFACE:open("p2"),
- P2Id = ?INTERFACE:get_id(P2),
-
- Ref = ?INTERFACE:attach(P1,P2Id),
-
- {'EXIT',{badarg,[{?INTERFACE,detach,[inval,Ref],_}|_]}} =
- (catch ?INTERFACE:detach(inval,Ref)),
-
- {'EXIT',{badarg,[{?INTERFACE,detach,[P1,inval],_}|_]}} =
- (catch ?INTERFACE:detach(P1,inval)),
-
- ok = ?INTERFACE:detach(P1,Ref),
- ok = ?INTERFACE:detach(P1,Ref),
-
- case ?INTERFACE of
- ose -> ok;
- _ ->
- ok = ?INTERFACE:close(P1)
- end,
-
- ok = ?INTERFACE:close(P2),
- ok = ?INTERFACE:close(P1),
-
- {'EXIT',{badarg,[{?INTERFACE,detach,[P1,Ref],_}|_]}} =
- (catch ?INTERFACE:detach(P1,Ref)),
-
- receive
- Else -> ct:fail({got,Else})
- after 100 ->
- ok
- end.
-
-send_errors(_Config) ->
- P1 = ?INTERFACE:open("p1"),
- P2 = ?INTERFACE:open("p2"),
- P2Id = ?INTERFACE:get_id(P2),
-
- {'EXIT',{badarg,[{?INTERFACE,send,[inval,P2Id,42,"hello"],_}|_]}} =
- (catch ?INTERFACE:send(inval,P2Id,42,"hello")),
- {'EXIT',{badarg,[{?INTERFACE,send,[P1,inval,42,"hello"],_}|_]}} =
- (catch ?INTERFACE:send(P1,inval,42,"hello")),
- {'EXIT',{badarg,[{?INTERFACE,send,[P1,P2Id,inval,"hello"],_}|_]}} =
- (catch ?INTERFACE:send(P1,P2Id,inval,"hello")),
- {'EXIT',{badarg,[{?INTERFACE,send,[P1,P2Id,42,inval],_}|_]}} =
- (catch ?INTERFACE:send(P1,P2Id,42,inval)),
-
- ok = ?INTERFACE:close(P2),
- ok = ?INTERFACE:send(P1,P2Id,42,"hello"),
- ok = ?INTERFACE:close(P1),
-
- {'EXIT',{badarg,[{?INTERFACE,send,[P1,P2Id,42,"hello"],_}|_]}} =
- (catch ?INTERFACE:send(P1,P2Id,42,"hello")),
-
- receive
- Else -> ct:fail({got,Else})
- after 100 ->
- ok
- end.
-
-send_w_s_errors(_Config) ->
- P1 = ?INTERFACE:open("p1"),
- P1Id = ?INTERFACE:get_id(P1),
- P2 = ?INTERFACE:open("p2"),
- P2Id = ?INTERFACE:get_id(P2),
- P3 = ?INTERFACE:open("p3"),
- P3Id = ?INTERFACE:get_id(P3),
-
- {'EXIT',{badarg,[{?INTERFACE,send,[inval,P2Id,P1Id,42,"hello"],_}|_]}} =
- (catch ?INTERFACE:send(inval,P2Id,P1Id,42,"hello")),
- {'EXIT',{badarg,[{?INTERFACE,send,[P2,-1,P1Id,42,"hello"],_}|_]}} =
- (catch ?INTERFACE:send(P2,-1,P1Id,42,"hello")),
- {'EXIT',{badarg,[{?INTERFACE,send,[P2,P2Id,1 bsl 32,42,"hello"],_}|_]}} =
- (catch ?INTERFACE:send(P2,P2Id,1 bsl 32,42,"hello")),
- {'EXIT',{badarg,[{?INTERFACE,send,[P2,P2Id,P1Id,inval,"hello"],_}|_]}} =
- (catch ?INTERFACE:send(P2,P2Id,P1Id,inval,"hello")),
- {'EXIT',{badarg,[{?INTERFACE,send,[P2,P2Id,P1Id,42,inval],_}|_]}} =
- (catch ?INTERFACE:send(P2,P2Id,P1Id,42,inval)),
-
- ok = ?INTERFACE:close(P3),
- ok = ?INTERFACE:send(P2,P3Id,P1Id,42,"hello"),
-
- ok = ?INTERFACE:close(P1),
- ok = ?INTERFACE:send(P2,P2Id,P1Id,42,"hello"),
- ok = ?INTERFACE:close(P2),
-
- {'EXIT',{badarg,[{?INTERFACE,send,[P1,P2Id,P1Id,42,"hello"],_}|_]}} =
- (catch ?INTERFACE:send(P1,P2Id,P1Id,42,"hello")),
-
- receive
- Else -> ct:fail({got,Else})
- after 100 ->
- ok
- end.
-
-listen_errors(_Config) ->
-
- P1 = ?INTERFACE:open("p1"),
- P1Id = ?INTERFACE:get_id(P1),
-
- {'EXIT',{badarg,[{?INTERFACE,listen,[inval,[42]],_}|_]}} =
- (catch ?INTERFACE:listen(inval,[42])),
- {'EXIT',{badarg,[{?INTERFACE,listen,[P1,inval],_}|_]}} =
- (catch ?INTERFACE:listen(P1,inval)),
- {'EXIT',{badarg,[{?INTERFACE,listen,[P1,[1 bsl 33]],_}|_]}} =
- (catch ?INTERFACE:listen(P1,[1 bsl 33])),
-
- ok = ?INTERFACE:listen(P1,[42,42,42,42,42,42,42,42,42,42,42,42,42]),
-
- case ?INTERFACE of
- ose -> ok;
- _ ->
- ?INTERFACE:send(P1,P1Id,42,"hello"),
- timer:sleep(50),
- ?INTERFACE:listen(P1,[]),
- ?INTERFACE:send(P1,P1Id,42,"hello2"),
-
- receive
- {message,P1,42,"hello"} -> ok
- end,
-
- receive
- Else -> ct:fail({got,Else})
- after 100 ->
- ok
- end
- end,
-
- ok = ?INTERFACE:close(P1),
- {'EXIT',{badarg,[{?INTERFACE,listen,[P1,[42]],_}|_]}} =
- (catch ?INTERFACE:listen(P1,[42])),
-
- ok.
-
-%%
-%% Internal functions
-%%
-multi_open(N,ListenNums) ->
- multi_open(N,ListenNums,[]).
-
-multi_open(0,_,Acc) ->
- Acc;
-multi_open(N,ListenNums,Acc) ->
- P = ?INTERFACE:open("p"++integer_to_list(N)),
- ok = ?INTERFACE:listen(P,ListenNums),
- multi_open(N-1,ListenNums,[P|Acc]).
-
-n(_F,0) ->
- ok;
-n(F,N) ->
- ok = F(N),
- n(F,N-1).
-
-
-flush() ->
- receive
- Msg ->
- [Msg|flush()]
- after 0 ->
- []
- end.