[lldb-dev] [Bug 16567] New: LLDB handles user-generated signals incorrectly

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Mon Jul 8 16:51:42 PDT 2013


            Bug ID: 16567
           Summary: LLDB handles user-generated signals incorrectly
           Product: lldb
           Version: unspecified
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: All Bugs
          Assignee: lldb-dev at cs.uiuc.edu
          Reporter: daniel.malea at intel.com
    Classification: Unclassified

On Mac OS X, LLDB reports an incorrect thread count when debugging programs
that have user-generated signals (i.e. SIGUSR1.)

Specifically, it looks like LLDB reports one less thread than actually exists.
To reproduce, remove the @skipIfDarwin decorator (that corresponds to this bug)
from test/functionalities/thread/TestConcurrentEvents.py and run:

python dotest.py --executable <path-to-lldb> TestConcurrentEvents.py

On Linux, this bug manifests as an LLDB hang, though a fix is in progress. To
reproduce that failure, follow the same steps as above, but remove the
@skipIfLinux decorator from the test case in question.

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