private void SetCompletionPort(SafeFileHandle completionPortHandle)
{
int length = Marshal.SizeOf(typeof(NativeMethods.JobObjectAssociateCompletionPort));
IntPtr completionPortPtr = IntPtr.Zero;
try
{
var completionPort = new NativeMethods.JobObjectAssociateCompletionPort
{
CompletionKey = IntPtr.Zero,
CompletionPortHandle = completionPortHandle.DangerousGetHandle(),
};
completionPortPtr = Marshal.AllocHGlobal(length);
Marshal.StructureToPtr(completionPort, completionPortPtr, false);
if (!NativeMethods.SetInformationJobObject(handle, NativeMethods.JobObjectInfoClass.AssociateCompletionPortInformation, completionPortPtr, length))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
}
finally
{
if (completionPortPtr != IntPtr.Zero)
{
Marshal.FreeHGlobal(completionPortPtr);
}
}
}
public void SetCompletionPort()
{
int length = Marshal.SizeOf(typeof(NativeMethods.JobObjectAssociateCompletionPort));
IntPtr completionPortPtr = IntPtr.Zero;
try
{
var nativeCompletionPort = NativeMethods.CreateIoCompletionPort(new IntPtr(-1), IntPtr.Zero, 0, 0);
completionPort = new SafeFileHandle(nativeCompletionPort, true);
var cp = new NativeMethods.JobObjectAssociateCompletionPort
{
CompletionKey = IntPtr.Zero,
CompletionPortHandle = completionPort.DangerousGetHandle(),
};
completionPortPtr = Marshal.AllocHGlobal(length);
Marshal.StructureToPtr(cp, completionPortPtr, false);
if (
!NativeMethods.SetInformationJobObject(handle,
NativeMethods.JobObjectInfoClass.AssociateCompletionPortInformation, completionPortPtr, length))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
}
catch (Win32Exception)
{
completionPort = null;
}
finally
{
if (completionPortPtr != IntPtr.Zero)
{
Marshal.FreeHGlobal(completionPortPtr);
}
}
}
