Moved Mutex.cs From src to shared (dotnet/coreclr#18320)

* Moved Mutex.cs to shared

* Reduced #ifdef in mutex.cs

* Moved windows specific Implementation and renamed mincore to kernal32

* safeWaitHandle changed to _waitHandle

* moved using statement out of buffer namespace

Signed-off-by: dotnet-bot <dotnet-bot@microsoft.com>

1 files changed, 13 insertions, 0 deletions

diff --git a/src/System.Private.CoreLib/shared/Interop/Windows/Kernel32/Interop.Constants.cs b/src/System.Private.CoreLib/shared/Interop/Windows/Kernel32/Interop.Constants.cs
new file mode 100644
index 000000000..8437f4b8f
--- /dev/null
+++ b/src/System.Private.CoreLib/shared/Interop/Windows/Kernel32/Interop.Constants.cs
@@ -0,0 +1,13 @@
+// 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.
+
+internal static partial class Interop
+{
+    internal static partial class Kernel32
+    {
+        internal const int MAXIMUM_ALLOWED = 0x02000000;
+        internal const int SYNCHRONIZE = 0x00100000;
+        internal const int MUTEX_MODIFY_STATE = 0x00000001;
+    }
+}