[remoting] Increment the context ID counter atomically.

diff --git a/mcs/class/corlib/System.Runtime.Remoting.Contexts/Context.cs b/mcs/class/corlib/System.Runtime.Remoting.Contexts/Context.cs
index 7b8c0dfd92063a89d2543afc13374d44f769f9cc..c79e9a027aea4bca9102374efe497b0b4132c3f7 100644 (file)
--- a/mcs/class/corlib/System.Runtime.Remoting.Contexts/Context.cs
+++ b/mcs/class/corlib/System.Runtime.Remoting.Contexts/Context.cs
@@ -84,7 +84,7 @@ namespace System.Runtime.Remoting.Contexts {
                public Context ()
                {
                        domain_id = Thread.GetDomainID();
-                       context_id = 1 + global_count++;
+                       context_id = Interlocked.Increment (ref global_count);
                }
 
                ~Context ()