diff options
Diffstat (limited to 'src/mscorlib/src/System/Threading/ClrThreadPoolBoundHandle.Windows.cs')
-rw-r--r-- | src/mscorlib/src/System/Threading/ClrThreadPoolBoundHandle.Windows.cs | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/src/mscorlib/src/System/Threading/ClrThreadPoolBoundHandle.Windows.cs b/src/mscorlib/src/System/Threading/ClrThreadPoolBoundHandle.Windows.cs new file mode 100644 index 0000000000..21c1c5f4a4 --- /dev/null +++ b/src/mscorlib/src/System/Threading/ClrThreadPoolBoundHandle.Windows.cs @@ -0,0 +1,42 @@ +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. +// See the LICENSE file in the project root for more information. + +using System.Diagnostics; +using System.Runtime.InteropServices; + +namespace System.Threading +{ + public sealed partial class ThreadPoolBoundHandle + { + private static ThreadPoolBoundHandle BindHandleCore(SafeHandle handle) + { + Debug.Assert(handle != null); + Debug.Assert(!handle.IsClosed); + Debug.Assert(!handle.IsInvalid); + + try + { + // ThreadPool.BindHandle will always return true, otherwise, it throws. See the underlying FCall + // implementation in ThreadPoolNative::CorBindIoCompletionCallback to see the implementation. + bool succeeded = ThreadPool.BindHandle(handle); + Debug.Assert(succeeded); + } + catch (Exception ex) + { // BindHandle throws ApplicationException on full CLR and Exception on CoreCLR. + // We do not let either of these leak and convert them to ArgumentException to + // indicate that the specified handles are invalid. + + if (ex.HResult == System.HResults.E_HANDLE) // Bad handle + throw new ArgumentException(SR.Argument_InvalidHandle, nameof(handle)); + + if (ex.HResult == System.HResults.E_INVALIDARG) // Handle already bound or sync handle + throw new ArgumentException(SR.Argument_AlreadyBoundOrSyncHandle, nameof(handle)); + + throw; + } + + return new ThreadPoolBoundHandle(handle); + } + } +} |