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Re: Embedded Linux: share data among different processes

From Paul Rubin <no.email@nospam.invalid>
Newsgroups comp.arch.embedded
Subject Re: Embedded Linux: share data among different processes
Date 2016-06-23 12:31 -0700
Organization A noiseless patient Spider
Message-ID <87r3bnr9as.fsf@nightsong.com> (permalink)
References <nkgihf$dn7$1@dont-email.me>

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pozz <pozzugno@gmail.com> writes:
> I'm thinking to use SQLite database to store the data. The poller
> writes the database, HTTP and QT reads from it. It seems SQLite will
> take care the multi-thread/multi-process scenario.

This is the classic and probably easiest approach, though not the most
economical in terms of machine use.  There are other databases besides
sqlite that you can also consider.  How much data are you talking about?
Do you need stuff like persistence across reboots?

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Embedded Linux: share data among different processes pozz <pozzugno@gmail.com> - 2016-06-23 13:52 +0200
  Re: Embedded Linux: share data among different processes Jack <jack4747@gmail.com> - 2016-06-23 05:30 -0700
    Re: Embedded Linux: share data among different processes Reinhardt Behm <rbehm@hushmail.com> - 2016-06-23 21:05 +0800
      Re: Embedded Linux: share data among different processes Clifford Heath <no.spam@please.net> - 2016-06-24 09:45 +1000
        Re: Embedded Linux: share data among different processes Don Y <blockedofcourse@foo.invalid> - 2016-06-23 17:19 -0700
          Re: Embedded Linux: share data among different processes Clifford Heath <no.spam@please.net> - 2016-06-24 13:25 +1000
            Re: Embedded Linux: share data among different processes Don Y <blockedofcourse@foo.invalid> - 2016-06-23 21:27 -0700
              Re: Embedded Linux: share data among different processes Clifford Heath <no.spam@please.net> - 2016-06-24 14:40 +1000
                Re: Embedded Linux: share data among different processes Don Y <blockedofcourse@foo.invalid> - 2016-06-23 22:20 -0700
                Re: Embedded Linux: share data among different processes Clifford Heath <no.spam@please.net> - 2016-06-24 17:19 +1000
                Re: Embedded Linux: share data among different processes Don Y <blockedofcourse@foo.invalid> - 2016-06-24 01:01 -0700
                Re: Embedded Linux: share data among different processes Dimiter_Popoff <dp@tgi-sci.com> - 2016-06-24 16:38 +0300
                Re: Embedded Linux: share data among different processes Don Y <blockedofcourse@foo.invalid> - 2016-06-24 11:13 -0700
        Re: Embedded Linux: share data among different processes Reinhardt Behm <rbehm@hushmail.com> - 2016-06-24 12:39 +0800
          Re: Embedded Linux: share data among different processes Don Y <blockedofcourse@foo.invalid> - 2016-06-24 01:53 -0700
            Re: Embedded Linux: share data among different processes Reinhardt Behm <rbehm@hushmail.com> - 2016-06-26 09:34 +0800
              Re: Embedded Linux: share data among different processes Don Y <blockedofcourse@foo.invalid> - 2016-06-26 00:30 -0700
        Re: Embedded Linux: share data among different processes Les Cargill <lcargill99@comcast.com> - 2016-06-24 15:18 -0500
  Re: Embedded Linux: share data among different processes Mel Wilson <mwilson@the-wire.com> - 2016-06-23 13:47 +0000
    Re: Embedded Linux: share data among different processes pozz <pozzugno@gmail.com> - 2016-06-24 13:36 +0200
      Re: Embedded Linux: share data among different processes Mel Wilson <mwilson@the-wire.com> - 2016-06-26 15:25 +0000
  Re: Embedded Linux: share data among different processes Don Y <blockedofcourse@foo.invalid> - 2016-06-23 12:11 -0700
    Re: Embedded Linux: share data among different processes pozz <pozzugno@gmail.com> - 2016-06-24 13:40 +0200
      Re: Embedded Linux: share data among different processes Don Y <blockedofcourse@foo.invalid> - 2016-06-24 10:44 -0700
  Re: Embedded Linux: share data among different processes Paul Rubin <no.email@nospam.invalid> - 2016-06-23 12:31 -0700
    Re: Embedded Linux: share data among different processes George Neuner <gneuner2@comcast.net> - 2016-06-23 17:27 -0400
    Re: Embedded Linux: share data among different processes pozz <pozzugno@gmail.com> - 2016-06-24 13:43 +0200
      Re: Embedded Linux: share data among different processes Don Y <blockedofcourse@foo.invalid> - 2016-06-24 10:48 -0700
        Re: Embedded Linux: share data among different processes pozz <pozzugno@gmail.com> - 2016-06-27 14:46 +0200
          Re: Embedded Linux: share data among different processes Don Y <blockedofcourse@foo.invalid> - 2016-06-27 13:41 -0700
      Re: Embedded Linux: share data among different processes Paul Rubin <no.email@nospam.invalid> - 2016-06-24 13:52 -0700
        Re: Embedded Linux: share data among different processes Les Cargill <lcargill99@comcast.com> - 2016-06-24 16:42 -0500
        Re: Embedded Linux: share data among different processes pozz <pozzugno@gmail.com> - 2016-06-27 16:00 +0200
          Re: Embedded Linux: share data among different processes Paul Rubin <no.email@nospam.invalid> - 2016-06-27 20:06 -0700
            Re: Embedded Linux: share data among different processes pozz <pozzugno@gmail.com> - 2016-06-28 08:41 +0200
              Re: Embedded Linux: share data among different processes Paul Rubin <no.email@nospam.invalid> - 2016-06-28 00:27 -0700
                Re: Embedded Linux: share data among different processes pozz <pozzugno@gmail.com> - 2016-06-28 12:50 +0200
                Re: Embedded Linux: share data among different processes Paul Rubin <no.email@nospam.invalid> - 2016-06-28 10:01 -0700
                Re: Embedded Linux: share data among different processes pozz <pozzugno@gmail.com> - 2016-06-29 13:10 +0200
                Re: Embedded Linux: share data among different processes Paul Rubin <no.email@nospam.invalid> - 2016-06-29 10:47 -0700
                Re: Embedded Linux: share data among different processes edward.ming.lee@gmail.com - 2016-06-29 14:01 -0700
                Re: Embedded Linux: share data among different processes pozz <pozzugno@gmail.com> - 2016-06-30 15:11 +0200
                Re: Embedded Linux: share data among different processes edward.ming.lee@gmail.com - 2016-06-30 08:19 -0700
  Re: Embedded Linux: share data among different processes Les Cargill <lcargill99@comcast.com> - 2016-06-23 14:53 -0500
    Re: Embedded Linux: share data among different processes Paul Rubin <no.email@nospam.invalid> - 2016-06-23 13:05 -0700
    Re: Embedded Linux: share data among different processes pozz <pozzugno@gmail.com> - 2016-06-24 13:54 +0200
      Re: Embedded Linux: share data among different processes Les Cargill <lcargill99@comcast.com> - 2016-06-24 14:27 -0500
  Re: Embedded Linux: share data among different processes Les Cargill <lcargill99@comcast.com> - 2016-06-24 16:39 -0500
    Re: Embedded Linux: share data among different processes Don Y <blockedofcourse@foo.invalid> - 2016-06-24 15:11 -0700

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