• Ell's avatar
    app: a few improvements to the GimpBacktrace Linux backend · fafeb7bf
    Ell authored
    Blacklist the "threaded-ml" thread, which seems to mask the
    backtrace signal.
    
    Improve signal-handler synchronozation, to avoid segfaulting when
    giving up on waiting for all threads to handle the signal.
    Furthermore, when one or more threads fail to handle the signal in
    time, return a GimpBacktrace instance with backtraces for all the
    other threads, and with empty backtraces for all the non-responding
    threads, instead of returning NULL and leaking the allocated
    instance.  Don't blacklist threads that failed to handle the signal
    in time, and instead shorten the wait period for handling the
    signal, and yield execution during waiting to lower the CPU usage.
    
    (cherry picked from commit a29d040db52706d4e26f3b7955d5e1677528702e)
    fafeb7bf
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