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engine: context event loop. #10244

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engine: context event loop. #10244

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@pwhelan pwhelan commented Apr 23, 2025

Summary

Add a new event loop for contexts and for signaling context events.

Description

This event loop has a channel that is used internally for signals, ie: shutdown, reload, etc... The main loop now uses this event loop to receive shutdown and reload signals.

This should solve the issue addressed in #9908 in a cross platform and much more stable and clean manner.


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Testing
Before we can approve your change; please submit the following in a comment:

  • Example configuration file for the change
  • Debug log output from testing the change
  • Attached Valgrind output that shows no leaks or memory corruption was found

If this is a change to packaging of containers or native binaries then please confirm it works for all targets.

  • Run local packaging test showing all targets (including any new ones) build.
  • Set ok-package-test label to test for all targets (requires maintainer to do).

Documentation

  • Documentation required for this feature

Backporting

  • Backport to latest stable release.

Fluent Bit is licensed under Apache 2.0, by submitting this pull request I understand that this code will be released under the terms of that license.

pwhelan added 5 commits April 23, 2025 16:53
Signed-off-by: Phillip Adair Stewart Whelan <phillip.whelan@chronosphere.io>
Signed-off-by: Phillip Adair Stewart Whelan <phillip.whelan@chronosphere.io>
Signed-off-by: Phillip Adair Stewart Whelan <phillip.whelan@chronosphere.io>
Signed-off-by: Phillip Adair Stewart Whelan <phillip.whelan@chronosphere.io>
Signed-off-by: Phillip Adair Stewart Whelan <phillip.whelan@chronosphere.io>
@pwhelan pwhelan marked this pull request as draft April 23, 2025 21:00
@pwhelan pwhelan changed the title Pwhelan event reload engine: event reload Apr 23, 2025
@pwhelan pwhelan changed the title engine: event reload engine: context event loop. Apr 23, 2025
…own and reload.

Signed-off-by: Phillip Whelan <phillip.whelan@chronosphere.io>
Signed-off-by: Phillip Whelan <phillip.whelan@chronosphere.io>
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