Merge pull request #1624 from esdrubal/getprocesstimes

[mono.git] / mcs / class / corlib / System / IntPtr.cs

diff --git a/mcs/class/corlib/System/IntPtr.cs b/mcs/class/corlib/System/IntPtr.cs
index e594d49bbb90907f87642d9eaefbc53af8327b71..c449de83997a3b308b1df8fbe881eb053f166dc3 100644 (file)
--- a/mcs/class/corlib/System/IntPtr.cs
+++ b/mcs/class/corlib/System/IntPtr.cs
@@ -45,6 +45,7 @@
 using System.Globalization;
 using System.Runtime.Serialization;
 using System.Runtime.ConstrainedExecution;
+using System.Diagnostics.Contracts;
 
 namespace System
 {
@@ -223,5 +224,13 @@ namespace System
                {
                        return (IntPtr) (unchecked (((byte *) pointer) - offset));
                }
+
+               // fast way to compare IntPtr to (IntPtr)0 while IntPtr.Zero doesn't work due to slow statics access
+               [Pure]
+               [ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
+               internal unsafe bool IsNull()
+               {
+                       return m_value == null;
+               }
        }
 }