<html>
    <head>
      <base href="https://llvm.org/bugs/" />
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - test runner: multiprocessing test runner sometimes halting after "hangup""
   href="https://llvm.org/bugs/show_bug.cgi?id=24846">24846</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>test runner: multiprocessing test runner sometimes halting after "hangup"
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>lldb
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Macintosh
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>All Bugs
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>lldb-dev@lists.llvm.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>todd.fiala@gmail.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvm-bugs@lists.llvm.org
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr></table>
      <p>
        <div>
        <pre>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.</pre>
        </div>
      </p>
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