Fix race where unregistered sysmsg threads starts processing contexts. - #14587
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Fix race where unregistered sysmsg threads starts processing contexts.#14587copybara-service[bot] wants to merge 1 commit into
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If we don't register the newly created sysmsg thread _before_ we start executing contexts on it, we are liable to race with any interrupts that may arrive to contexts it starts executing, upon which point we won't find the newly created thread. PiperOrigin-RevId: 975832030
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Fix race where unregistered sysmsg threads starts processing contexts.
If we don't register the newly created sysmsg thread before we start executing
contexts on it, we are liable to race with any interrupts that may arrive to
contexts it starts executing, upon which point we won't find the newly created
thread.