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[SYCL] fix for __sycl_unregister_lib() on Windows and tests #19633
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[SYCL] fix for __sycl_unregister_lib() on Windows and tests #19633
cperkinsintel
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intel:sycl
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Signed-off-by: Chris Perkins <[email protected]>
Signed-off-by: Chris Perkins <[email protected]>
Signed-off-by: Chris Perkins <[email protected]>
Signed-off-by: Chris Perkins <[email protected]>
PVC failures is unrelated: #19662 |
Signed-off-by: Chris Perkins <[email protected]>
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__sycl_unregister_lib()
is not being called on Windows when using shared libraries due to a limitation in LLVM/clang To work around this, on Windows we register both__sycl_register_lib()
and anstd::atexit
handler that will call__sycl_unregister_lib()
. Further, it was discovered that freeing of the device globals during device images destruction is duplicate and unnecessary. The~context_impl
destructor handles that (and handles it correctly, because a context is needed to free USM memory). So we remove the unneeded duplication. Adding a test that stresses__sycl_unregister_lib()
and makes sure there are no resource leaks