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Don't wait for finalizers in 'IReferenceTrackerHost::ReleaseDisconnectedReferenceSources' #110551

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Merged
jkotas merged 3 commits into from
Dec 10, 2024
Merged

Don't wait for finalizers in 'IReferenceTrackerHost::ReleaseDisconnectedReferenceSources' #110551

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116fe25
Do not wait for finalizers on tracker host callbacks
Sergio0694 Dec 9, 2024
6efbb28
Apply suggestions from PR review
Sergio0694 Dec 9, 2024
278524a
Remove unnecessary try/catch
Sergio0694 Dec 9, 2024
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5 changes: 4 additions & 1 deletion src/coreclr/interop/trackerobjectmanager.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -84,7 +84,10 @@ namespace

STDMETHODIMP HostServices::ReleaseDisconnectedReferenceSources()
{
return InteropLibImports::WaitForRuntimeFinalizerForExternal();
// This could lead to deadlock if finalizer thread is trying to get back to this thread, because we are
// not pumping anymore. Disable this for now. See: https://github.com/dotnet/runtime/issues/109538.
// return InteropLibImports::WaitForRuntimeFinalizerForExternal();
return S_OK;
}

STDMETHODIMP HostServices::NotifyEndOfReferenceTrackingOnThread()
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4 changes: 3 additions & 1 deletion ...iveaot/System.Private.CoreLib/src/System/Runtime/InteropServices/ComWrappers.NativeAot.cs
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Expand Up @@ -1420,7 +1420,9 @@ internal static unsafe int IReferenceTrackerHost_ReleaseDisconnectedReferenceSou
{
try
{
GC.WaitForPendingFinalizers();
// This could lead to deadlock if finalizer thread is trying to get back to this thread, because we are
// not pumping anymore. Disable this for now. See: https://github.com/dotnet/runtime/issues/109538.
// GC.WaitForPendingFinalizers();
return HResults.S_OK;
}
catch (Exception e)
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