IHostIoCompletionManager::CloseIoCompletionPort Method

Requests that the host close a port that was opened through an earlier call to CreateIoCompletionPort.


HRESULT CloseIoCompletionPort (  
    [in] HANDLE hPort  


[in] The handle of the port to close.

Return Value

HRESULT Description
S_OK CloseIoCompletionPort returned successfully.
HOST_E_CLRNOTAVAILABLE 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.
HOST_E_TIMEOUT The call timed out.
HOST_E_NOT_OWNER The caller does not own the lock.
HOST_E_ABANDONED An event was canceled while a blocked thread or fiber was waiting on it.
E_FAIL 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.
E_INVALIDARG An invalid port handle was passed.


hPort must be a handle to a port that was created by an earlier call to CreateIoCompletionPort.


Platforms: See System Requirements.

Header: MSCorEE.h

Library: Included as a resource in MSCorEE.dll

.NET Framework Versions: Available since 2.0

See Also

ICLRIoCompletionManager Interface
IHostIoCompletionManager Interface