Ken Giusti created DISPATCH-1694:
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Summary: sys_thread_self() returns NULL pointer if called by main
process thread
Key: DISPATCH-1694
URL: https://issues.apache.org/jira/browse/DISPATCH-1694
Project: Qpid Dispatch
Issue Type: Bug
Components: Router Node
Affects Versions: 1.13.0
Reporter: Ken Giusti
Assignee: Ken Giusti
Fix For: 1.13.0
Since the main process "thread" is not a pthread it does not have a
sys_thread_t associated with it. Since the router uses the main thread as an
I/O thread this means that an I/O thread can have a null sys_thread_self()
value.
While technically not _wrong_ it is unexpected; it makes comparing the return
value of sys_thread_self() against a null/uninitialized pointer succeed.
Proposed solution - return a dummy, non-zero value from sys_thread_id() when
called from the main thread. Ensure this value is unique with respect to
sys_thread_id() values returned by the "real" pthreads.
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