D21934: Ensure no one but us writes to stdout

[Kai Uwe Broulik]

broulik created this revision.
broulik added reviewers: Plasma, davidedmundson, fvogt.
Herald added a project: Plasma.
Herald added a subscriber: plasma-devel.
broulik requested review of this revision.

REVISION SUMMARY
  I originally didn't consider this neccessary because we have a `qMessageHandler`, so every `qDebug` goes through the proper formatting. However, if an external application is launched, it might blatantly print to stdout.

TEST PLAN
  - Triggered Purpose menu from a website, chose "send via email" which triggered Thunderbird and then quit Thunderbird. Previously the host was killed by printing
  
    *** UTM:SVC TimerManager:registerTimer called after profile-before-change notification. Ignoring timer registration for id: telemetry_modules_ping
  
  on stdout. Now the host continues to run smoothly. Everything else is unaffected

REPOSITORY
  R856 Plasma Browser Integration

REVISION DETAIL
  https://phabricator.kde.org/D21934

AFFECTED FILES
  host/connection.cpp

To: broulik, #plasma, davidedmundson, fvogt
Cc: plasma-devel, LeGast00n, jraleigh, fbampaloukas, GB_2, ragreen, Pitel, ZrenBot, himcesjf, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart
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