[llvm-bugs] [Bug 24846] New: test runner: multiprocessing test runner sometimes halting after "hangup"

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=24846

            Bug ID: 24846
           Summary: test runner: multiprocessing test runner sometimes
                    halting after "hangup"
           Product: lldb
           Version: unspecified
          Hardware: Macintosh
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: All Bugs
          Assignee: lldb-dev at lists.llvm.org
          Reporter: todd.fiala at gmail.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

154 out of 300 test suites processed - TestInferiorCrashing.py                
[2]    20486 hangup     lldb/test/dotest.py --executable {...} |

And then it quits the whole test suite.

Figure out what's happening here and make sure it doesn't take down the whole
test suite run.  I have another change I started last night to deal with
signal-based dotest inferior issues, which might cover this.  This is looking
like something got a SIGHUP (?).  The timeout command being used kills the
process with a SIGQUIT, so I don't think this is due to the timeout command.

I'm seeing this on OS X with the following test runners:
default test runner (multiprocessing)
threading

I'm not seeing it on the multiprocessing-pool or threading-pool test runners.

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