should invariant() that the signal processing thread is started in printAllThreadStacksBlocking() to avoid a deadlock

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    • Type: Improvement
    • Resolution: Fixed
    • Priority: Major - P3
    • 8.3.0-rc0
    • Affects Version/s: None
    • Component/s: None
    • Server Programmability
    • Fully Compatible
    • Programmability 2025-08-04
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      In SERVER-91012 we found that startSignalProcessingThread() is called in mongod_main.cpp, which does not run for unittests. Therefore, sigTid == -1, so we couldn't call terminateThread in stacktrace_threads.cpp, so the system deadlocks.

      We should invariant() that the signal processing thread is started in printAllThreadStacksBlocking() to avoid a deadlock.

            Assignee:
            Billy Donahue
            Reporter:
            Brad Cater
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              Created:
              Updated:
              Resolved: