[GTALUG] "Massage Passing" library?

ted leslie ted.leslie at gmail.com
Wed Sep 13 15:00:23 EDT 2017

Also may want to consider libEv  or asio (boost if c++)., which wrap the
lower levels and also add in features.
libEv is great if you want to keep watchers active while servicing many
requests as those watchers fire.
For messages across processes, i have used signals, locks and shmem  to get
pretty optimal. With signals and
if your design/use allows you may even be able to go lock-free or a quick
atomic lock if arch supports it.
If thread, you can use lock-free collections (have some in boost, and if
c++14/17, may be in standard now).


On Wed, Sep 13, 2017 at 2:35 PM, Lennart Sorensen via talk <talk at gtalug.org>

> On Wed, Sep 13, 2017 at 03:24:25AM -0400, William Park via talk wrote:
> > I'm looking for keywords to search for...
> >
> > I have various local peripherals that I need to read and write.  From
> > top of my head, I'm thinking 3 ways:
> >
> >     1. Use select(2) (and friends) to round-robin the peripherals.
> poll seems more popular these days than select.
> >     2. Each peripheral is serviced by a separate thread, and main thread
> >     does the business logics.  The peripherals don't need to talk to
> >     each other (but this may change).
> >
> >     3. Each peripheral is serviced by a separate process, and they pass
> >     "messages".  This option is what I want to investigate.
> >
> > So, do you know any "message-passing" scheme, framework, or library that
> > I can look up?  I'm not talking about OS or kernel level.  More at
> > application level.
> Processes don't get to do anything without OS/kernel support.  If you
> use seperate processes, you will need to use something from the OS/kernel
> to pass messages.
> --
> Len Sorensen
> ---
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