[erlang-questions] Using 'monitor' with spawn_opt/3 throws badarg. Documentation bug?

[e@REDACTED]

the 0-ary function
does not unify with a pair of arguments provided.
i suspect this is the issue.


On 02/23/2015 04:17 PM, Roger Lipscombe wrote:
> I'm attempting to use spawn_opt/3 with a remote node, like this:
>
>      Fun = fun() -> ok end,
>      {Pid, Ref} = spawn_opt(Node, Fun, [link, monitor]).
>
> It fails with:
>
>      {badarg,
>        [{erlang,spawn_opt,
>         ['imp_server@REDACTED',erlang,apply,
>          [#Fun<erl_eval.20.80484245>,[]],
>          [link,monitor]],
>         []}
>
> Now, the documentation at
> http://www.erlang.org/doc/man/erlang.html#spawn_opt-5 says that the
> 'monitor' option is not allowed for spawn_opt/5. It says nothing about
> spawn_opt/3.
>
> Looking at the error message, it looks like spawn_opt/3 simply calls
> spawn_opt/5. Does this note about 'monitor' being unsupported need to
> be in documentation for both functions?
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