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IHostIoCompletionManager::CreateIoCompletionPort Method

Requests that the host create a new I/O completion port.

HRESULT CreateIoCompletionPort (
    [out] HANDLE *phPort


[out] A pointer to a handle to the newly created I/O completion port, or 0 (zero), if the port could not be created.




CreateIoCompletionPort returned successfully.


The common language runtime (CLR) has not been loaded into a process, or the CLR is in a state in which it cannot run managed code or process the call successfully.


The call timed out.


The caller does not own the lock.


An event was canceled while a blocked thread or fiber was waiting on it.


An unknown catastrophic failure occurred. When a method returns E_FAIL, the CLR is no longer usable within the process. Subsequent calls to hosting methods return HOST_E_CLRNOTAVAILABLE.


Not enough memory was available to allocate the requested resource.

The CLR calls the CreateIoCompletionPort method to request that the host create a new I/O completion port. It binds I/O operations to this port through a call to the IHostIoCompletionManager::Bind method. The host reports status back to the CLR by calling ICLRIoCompletionManager::OnComplete.

Platforms: See .NET Framework System Requirements.

Header: MSCorEE.h

Library: Included as a resource in MSCorEE.dll

.NET Framework Versions: 4.6, 4.5.2, 4.5.1, 4.5, 4, 3.5 SP1, 3.5, 3.0 SP1, 3.0, 2.0 SP1, 2.0

© 2015 Microsoft