[erlang-questions] erl startup issue

Wes James comptekki@REDACTED
Thu Nov 3 21:40:56 CET 2011


Thanks.  That makes sense.

-wes

On Thu, Nov 3, 2011 at 1:24 PM, Magnus Klaar <magnus.klaar@REDACTED> wrote:
> Hi!
> The functions specified with -s are not evaluated by the shell process. See
> this response to a similar question for a better explanation of what
> actually happens when you start misultins supervisor this way.
> http://erlang.org/pipermail/erlang-questions/2009-February/041805.html
> MVH Magnus
> On Thu, Nov 3, 2011 at 8:13 PM, Wes James <comptekki@REDACTED> wrote:
>>
>> When I do this:
>>
>> erl -name node@REDACTED -pa /usr/local/src/misultin/ebin -run my_mod start
>> 8080 -run my_second_mod
>>
>> my_second_mod starts fine but the misultin part won't auto-start.
>> After erl has started I have to run it manually:  my_mod:start(8080).
>>
>> This is the top of the test misultin code:
>>
>>
>> -module(my_mod).
>> -export([start/1, stop/0]).
>>
>> % start misultin http server
>> start(Port) when is_integer(Port) ->
>>    io:format("~n is integer ~n"),
>>    start1(Port);
>> start([Port]) ->
>>    io:format("~n is list: ~p ~n",[Port]),
>>    PortInt=list_to_integer(Port),
>>    start1(PortInt).
>>
>> start1(Port) ->
>> io:format("~n in start1 ~n"),
>>    misultin:start_link([{port, Port}, {loop, fun(Req) ->
>> handle_http(Req, Port) end}, {ws_loop, fun(Ws) -> handle_websocket(Ws)
>> end}]).
>>
>>
>> ....
>>
>> I can tell that it is reaching start1() from either the -run or from
>> inside erl, but the misultin:start_link doesn't seem to work from
>> -run.  Any ideas why?
>>
>> The reason I have two start() funs, is if started via erl -run the
>> 8080 comes in as ["8080"], whereas in erl VM , it is just an integer
>> with my_mod:start(8080).
>>
>> Thanks,
>>
>> -wes
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>
>



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