http://llvm.org/bugs/show_bug.cgi?id=16566
Bug ID: 16566
Summary: LLDB ignores watchpoints on threads spawned after the
watchpoint is set
Product: lldb
Version: unspecified
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: All Bugs
Assignee: [email protected]
Reporter: [email protected]
Classification: Unclassified
This appears to be a Mac OS X-specific issue which manifests as a watchpoint
being ignored when:
1. a watchpoint is set (for example, on a global)
2. a thread is created
3. the newly created thread modifies the (global) watched value
There is a workaround for this behaviour: if a breakpoint is hit on the newly
created thread, the watchpoint is 'enabled' because the 'global watchpoint
state is inherited'. For an example of the workaround, see
TestWatchpointsMultipleThreads.py:70
This bug is causing a number of test failures in the suite
TestConcurrentEvents.py on Mac OS X. To reproduce, uncomment the @skipIfDarwin
decorators, and do:
python dotest.py --executable <path-to-lldb> -p TestConcurrentEvents
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