Apply changes from https://github.com/mono/mono/pull/12774 to API snapshot

1 files changed, 3 insertions, 5 deletions

diff --git a/profiles/monotouch/mscorlib.cs b/profiles/monotouch/mscorlib.cs
index 7a30342..066a2ea 100644
--- a/profiles/monotouch/mscorlib.cs
+++ b/profiles/monotouch/mscorlib.cs
@@ -23178,12 +23178,10 @@ namespace System.Threading
         public AutoResetEvent(bool initialState) : base (default(bool), default(System.Threading.EventResetMode)) { }
     }
     [System.Diagnostics.DebuggerDisplayAttribute("IsCancellationRequested = {IsCancellationRequested}")]
-    [System.Runtime.InteropServices.ComVisibleAttribute(false)]
-    [System.Security.Permissions.HostProtectionAttribute(System.Security.Permissions.SecurityAction.LinkDemand, Synchronization=true, ExternalThreading=true)]
     [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential)]
-    public partial struct CancellationToken
+    public readonly partial struct CancellationToken
     {
-        private object _dummy;
+        private readonly object _dummy;
         public CancellationToken(bool canceled) { throw null; }
         public bool CanBeCanceled { get { throw null; } }
         public bool IsCancellationRequested { get { throw null; } }
@@ -23198,6 +23196,7 @@ namespace System.Threading
         public System.Threading.CancellationTokenRegistration Register(System.Action callback, bool useSynchronizationContext) { throw null; }
         public System.Threading.CancellationTokenRegistration Register(System.Action<object> callback, object state) { throw null; }
         public System.Threading.CancellationTokenRegistration Register(System.Action<object> callback, object state, bool useSynchronizationContext) { throw null; }
+        [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]public System.Threading.CancellationTokenRegistration Register(System.Action<object> callback, object state, bool useSynchronizationContext, bool useExecutionContext) { throw null; }
         public void ThrowIfCancellationRequested() { }
     }
     [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential)]
@@ -23213,7 +23212,6 @@ namespace System.Threading
         public static bool operator !=(System.Threading.CancellationTokenRegistration left, System.Threading.CancellationTokenRegistration right) { throw null; }
         public bool Unregister() { throw null; }
     }
-    [System.Runtime.InteropServices.ComVisibleAttribute(false)]
     public partial class CancellationTokenSource : System.IDisposable
     {
         public CancellationTokenSource() { }