protected override void OnInitFromHandle(SafeFileHandle handle)
{
// As we can accurately check the handle type when we have access to NtQueryInformationFile we don't need to skip for
// any particular file handle type.
// If the handle was passed in without an explicit async setting, we already looked it up in GetDefaultIsAsync
if (!handle.IsAsync.HasValue)
{
return;
}
// If we can't check the handle, just assume it is ok.
if (!(FileStreamHelpers.IsHandleSynchronous(handle, ignoreInvalid: false) ?? true))
{
throw new ArgumentException(SR.Arg_HandleNotSync, nameof(handle));
}
}
