Posix signal handler modification checking issues.

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    • Type: Bug
    • Resolution: Fixed
    • Priority: P4
    • 20
    • Affects Version/s: 19
    • Component/s: hotspot
    • b08

      There are a few issues with the signal handler modification check in src/hotspot/os/posix/signals_posix.cpp:

      The periodic warning triggers when crash_handler is the handler: should be ignored, as it is in PosixSignals::print_signal_handler().

      check_signal_handler(int) prints ALL signal handlers when it finds one that is modified. When multiple changes are detected, this is very noisy.

      Code duplication/inconsistency. Noted in PR for JDK-8283337, different code uses different guards for checking for changes handlers.

            Assignee:
            Harold Seigel (Inactive)
            Reporter:
            Kevin Walls
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              Created:
              Updated:
              Resolved: