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jobs: fix race which permitted concurrent execution
The race was that we'd unregister a job from the `adoptedJobs` map while processing the pause or cancel requests. This is problematic because the job also unregisters itself in such cases. However, because the job was already unregistered, the entry which the now canceled job removes may in fact correspond to a new execution. We remove this hazard by centralizing the location where the entry is actually removed. Instead, we have the cancelation/pause processing only cancel the context of the relevant execution. Fixes #68593 Release note: None Release justification: bug fixes and low-risk updates to new functionality
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This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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