diff options
author | Zoltan Varga <vargaz@gmail.com> | 2020-09-09 00:52:33 +0300 |
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committer | GitHub <noreply@github.com> | 2020-09-09 00:52:33 +0300 |
commit | 6e103e7191dcb17120032f2516cc7f8e9e04c32e (patch) | |
tree | a3ee2ea7450809dac229fc084683df3f335942ad /netcore/System.Private.CoreLib/shared/System/Threading/Semaphore.Windows.cs | |
parent | 427395f4c6a18466c26d0cf782bed106d05e77ae (diff) |
Remove netcore/ directory from the mono/mono repository. (#20361)
Diffstat (limited to 'netcore/System.Private.CoreLib/shared/System/Threading/Semaphore.Windows.cs')
-rw-r--r-- | netcore/System.Private.CoreLib/shared/System/Threading/Semaphore.Windows.cs | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/netcore/System.Private.CoreLib/shared/System/Threading/Semaphore.Windows.cs b/netcore/System.Private.CoreLib/shared/System/Threading/Semaphore.Windows.cs deleted file mode 100644 index 0d17f79bdaa..00000000000 --- a/netcore/System.Private.CoreLib/shared/System/Threading/Semaphore.Windows.cs +++ /dev/null @@ -1,88 +0,0 @@ -// 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 Microsoft.Win32.SafeHandles; -using System.Diagnostics; -using System.IO; -using System.Runtime.InteropServices; - -namespace System.Threading -{ - public sealed partial class Semaphore - { - private const uint AccessRights = (uint)Interop.Kernel32.MAXIMUM_ALLOWED | Interop.Kernel32.SYNCHRONIZE | Interop.Kernel32.SEMAPHORE_MODIFY_STATE; - - private Semaphore(SafeWaitHandle handle) - { - SafeWaitHandle = handle; - } - - private void CreateSemaphoreCore(int initialCount, int maximumCount, string? name, out bool createdNew) - { - Debug.Assert(initialCount >= 0); - Debug.Assert(maximumCount >= 1); - Debug.Assert(initialCount <= maximumCount); - -#if !PLATFORM_WINDOWS - if (name != null) - throw new PlatformNotSupportedException(SR.PlatformNotSupported_NamedSynchronizationPrimitives); -#endif - SafeWaitHandle myHandle = Interop.Kernel32.CreateSemaphoreEx(IntPtr.Zero, initialCount, maximumCount, name, 0, AccessRights); - - int errorCode = Marshal.GetLastWin32Error(); - if (myHandle.IsInvalid) - { - if (!string.IsNullOrEmpty(name) && errorCode == Interop.Errors.ERROR_INVALID_HANDLE) - throw new WaitHandleCannotBeOpenedException( - SR.Format(SR.Threading_WaitHandleCannotBeOpenedException_InvalidHandle, name)); - - throw Win32Marshal.GetExceptionForLastWin32Error(); - } - createdNew = errorCode != Interop.Errors.ERROR_ALREADY_EXISTS; - this.SafeWaitHandle = myHandle; - } - - private static OpenExistingResult OpenExistingWorker(string name, out Semaphore? result) - { -#if PLATFORM_WINDOWS - if (name == null) - throw new ArgumentNullException(nameof(name)); - if (name.Length == 0) - throw new ArgumentException(SR.Argument_EmptyName, nameof(name)); - - // Pass false to OpenSemaphore to prevent inheritedHandles - SafeWaitHandle myHandle = Interop.Kernel32.OpenSemaphore(AccessRights, false, name); - - if (myHandle.IsInvalid) - { - result = null; - int errorCode = Marshal.GetLastWin32Error(); - - if (errorCode == Interop.Errors.ERROR_FILE_NOT_FOUND || errorCode == Interop.Errors.ERROR_INVALID_NAME) - return OpenExistingResult.NameNotFound; - if (errorCode == Interop.Errors.ERROR_PATH_NOT_FOUND) - return OpenExistingResult.PathNotFound; - if (!string.IsNullOrEmpty(name) && errorCode == Interop.Errors.ERROR_INVALID_HANDLE) - return OpenExistingResult.NameInvalid; - // this is for passed through NativeMethods Errors - throw Win32Marshal.GetExceptionForLastWin32Error(); - } - - result = new Semaphore(myHandle); - return OpenExistingResult.Success; -#else - throw new PlatformNotSupportedException(SR.PlatformNotSupported_NamedSynchronizationPrimitives); -#endif - } - - private int ReleaseCore(int releaseCount) - { - int previousCount; - if (!Interop.Kernel32.ReleaseSemaphore(SafeWaitHandle!, releaseCount, out previousCount)) - throw new SemaphoreFullException(); - - return previousCount; - } - } -} |