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Werk #10619: Improve error-handling in poller

Component Notifications
Title Improve error-handling in poller
Date Jan 14, 2020
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed
Checkmk versions & editions
2.0.0i1 Checkmk Pro, Checkmk Ultimate MT
1.6.0p9 Checkmk Pro, Checkmk Ultimate MT

Errors from poll(2) were handled inconsistently and could possibly freeze the main loop of the core.

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