Thanks Colin. That looks like it "has capabilities". So you're looking
to plumb J into that list of (quote) 30+ languages?


On Wed, Jan 4, 2012 at 9:34 PM, Colin Ward <ward...@gmail.com> wrote:
> Try zeromq.  This is exactly what it was designed for - "sockets on
> steroids".  .  I am currently looking into connecting to this framework
> using calls to the C api.  SHouldnt be too hard.
>
> http://www.zeromq.org/bindings:_start
>
>
> On 2 January 2012 18:51, Ian Clark <earthspo...@gmail.com> wrote:
>
>> Please forgive these questions I post to the list to which I know the
>> answer. Or rather: *an* answer. I learn a lot from others' responses.
>> Even if it's "my way is best after all" -- that's a valuable thing to
>> know.
>>
>> I have two separate J processes running (assume Linux / Darwin, though
>> I'm keen on cross-platform solutions). They communicate by each
>> writing a text file which is read by the other
>> (keep-it-simple-stupid). Is there a neat, robust way of one process
>> asking the other: "are you there?" or "are you still alive?"
>>
>> I'm au-fait with how the yellow-J works, all the solutions involving
>> timer-driven duty-cycles, timeouts, and reading files written by the
>> sister process, Or the files' timestamps, or permissions. But these
>> all seem so clunky. I guess what I want is something that was so easy
>> in the 1970s but is so awkward on today's machines: just reserve a
>> pair of bits in absolute memory -- or a pair of pixels on the screen
>> -- or some inessential system flags -- and play pat-a-cake with them.
>>
>> Once upon a time there was such a thing as "common memory".
>> ----------------------------------------------------------------------
>> For information about J forums see http://www.jsoftware.com/forums.htm
>>
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
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For information about J forums see http://www.jsoftware.com/forums.htm

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