Fix #870, generic counter table management #871
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jphickey
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CCB:Ready
Apply the appid/taskid pattern to Generic Counter resources. No real logic change - just putting the repeated logic into inline functions.
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Ping @astrogeco and @yammajamma - can add this to CCB agenda too |
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CCB 2020-09-09 APPROVED, in the future should move to changing IDs to not be zero based and non-repeating to protect against using the wrong counter. Link thread safety issues and open issues to visualize, track, and understand what needs to be fixed. |
yammajamma
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IC-20200909
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Describe the contribution
Apply the appid/taskid pattern to Generic Counter resources.
Testing performed
Unit tests
Build and sanity test CFE.
Expected behavior changes
No real logic change - just putting the repeated logic into inline functions.
However, This does add a
CFE_ES_LockSharedData()wrapper around counter ID allocation, deletion, and lookup to avoid a possible race condition here. This was likely a bug, but never noticed perhaps because these aren't a heavily used feature.System(s) tested on
Ubuntu 20.04
Contributor Info - All information REQUIRED for consideration of pull request
Joseph Hickey, Vantage Systems, Inc.