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rocm-systems/projects
Sean Keely 904723af7c Fix IPC related hangs/faults in rocrtst.
IPC was failing due to calling fork when HSA was open.  The fix
was correcting incomplete cleanup in several other tests.

TestBase::Close (via CommonCleanUp) now checks that HSA is properly
closed between tests.

rocrtstPerf.Memory_Async_Copy uses hwloc which uses OpenCL which
has no shutdown routine.  Consequently this test can not cleanup
properly.  I added a hack to force HSA refcount to the value
it should have if OpenCL were cleaning up but this leaks resources
and potentially puts hwloc & OpenCL in a bad state.

OpenCL loads LLVM which installs some exit handlers.  Those handlers
can't execute in a child process and can't be removed since OpenCL
doesn't cleanup.  IPC hacks around this by aborting rather than exiting
in the child process.

Change-Id: I92326a73d7b11632208717d99728e6dafdc7d3ca


[ROCm/ROCR-Runtime commit: bb980462e7]
2019-06-19 01:03:52 -04:00
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