public static unsafe ThreadPoolBoundHandle BindHandle(SafeHandle handle)
{
if (handle == null)
{
throw new ArgumentNullException(nameof(handle));
}
if (handle.IsClosed || handle.IsInvalid)
{
throw new ArgumentException(SR.Argument_InvalidHandle, nameof(handle));
}
SafeThreadPoolIOHandle threadPoolHandle = Interop.Kernel32.CreateThreadpoolIo(handle, &OnNativeIOCompleted, IntPtr.Zero, IntPtr.Zero);
if (threadPoolHandle.IsInvalid)
{
int errorCode = Marshal.GetLastWin32Error();
if (errorCode == Interop.Errors.ERROR_INVALID_HANDLE) // Bad handle
{
throw new ArgumentException(SR.Argument_InvalidHandle, nameof(handle));
}
if (errorCode == Interop.Errors.ERROR_INVALID_PARAMETER) // Handle already bound or sync handle
{
throw new ArgumentException(SR.Argument_AlreadyBoundOrSyncHandle, nameof(handle));
}
throw Win32Marshal.GetExceptionForWin32Error(errorCode);
}
return(new ThreadPoolBoundHandle(handle, threadPoolHandle));
}
public static ThreadPoolBoundHandle BindHandle(SafeHandle handle)
{
if (handle == null)
{
throw new ArgumentNullException(nameof(handle));
}
if (handle.IsClosed || handle.IsInvalid)
{
throw new ArgumentException(SR.Argument_InvalidHandle, nameof(handle));
}
IntPtr callback = AddrofIntrinsics.AddrOf <Interop.NativeIoCompletionCallback>(OnNativeIOCompleted);
SafeThreadPoolIOHandle threadPoolHandle = Interop.mincore.CreateThreadpoolIo(handle, callback, IntPtr.Zero, IntPtr.Zero);
if (threadPoolHandle.IsInvalid)
{
int errorCode = Marshal.GetLastWin32Error();
if (errorCode == Interop.Errors.ERROR_INVALID_HANDLE) // Bad handle
{
throw new ArgumentException(SR.Argument_InvalidHandle, nameof(handle));
}
if (errorCode == Interop.Errors.ERROR_INVALID_PARAMETER) // Handle already bound or sync handle
{
throw new ArgumentException(SR.Argument_AlreadyBoundOrSyncHandle, nameof(handle));
}
throw Win32Marshal.GetExceptionForWin32Error(errorCode);
}
return(new ThreadPoolBoundHandle(handle, threadPoolHandle));
}
public static ThreadPoolBoundHandle BindHandle(SafeHandle handle)
{
if (handle == null)
{
throw new ArgumentNullException("handle");
}
if (handle.IsClosed || handle.IsInvalid)
{
throw new ArgumentException(SR.Argument_InvalidHandle, "handle");
}
// Make sure we use a statically-rooted completion callback,
// so it doesn't get collected while the I/O is in progress.
Interop.NativeIoCompletionCallback callback = s_nativeIoCompletionCallback;
if (callback == null)
{
s_nativeIoCompletionCallback = callback = new Interop.NativeIoCompletionCallback(OnNativeIOCompleted);
}
SafeThreadPoolIOHandle threadPoolHandle = Interop.mincore.CreateThreadpoolIo(handle, s_nativeIoCompletionCallback, IntPtr.Zero, IntPtr.Zero);
if (threadPoolHandle.IsInvalid)
{
int hr = Marshal.GetHRForLastWin32Error();
if (hr == System.HResults.E_HANDLE) // Bad handle
{
throw new ArgumentException(SR.Argument_InvalidHandle, "handle");
}
if (hr == System.HResults.E_INVALIDARG) // Handle already bound or sync handle
{
throw new ArgumentException(SR.Argument_AlreadyBoundOrSyncHandle, "handle");
}
throw Marshal.GetExceptionForHR(hr);
}
return(new ThreadPoolBoundHandle(handle, threadPoolHandle));
}
private ThreadPoolBoundHandle(SafeHandle handle, SafeThreadPoolIOHandle threadPoolHandle)
{
_threadPoolHandle = threadPoolHandle;
_handle = handle;
}
internal static unsafe partial void CancelThreadpoolIo(SafeThreadPoolIOHandle pio);
internal static extern unsafe void CancelThreadpoolIo(SafeThreadPoolIOHandle pio);
internal static extern unsafe void StartThreadpoolIo(SafeThreadPoolIOHandle pio);