From a233f13a6c7605ce7f2907068cac7febc493d1e1 Mon Sep 17 00:00:00 2001
From: Doug MacEachern <dougm@hyperic.com>
Date: Sun, 25 Jul 2004 02:19:03 +0000
Subject: [PATCH] add Cpu bindings

---
 bindings/dotnet/src/Sigar.cs | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/bindings/dotnet/src/Sigar.cs b/bindings/dotnet/src/Sigar.cs
index 4ee05993..b63c23f1 100644
--- a/bindings/dotnet/src/Sigar.cs
+++ b/bindings/dotnet/src/Sigar.cs
@@ -32,6 +32,10 @@ namespace Hyperic.Sigar {
             return Hyperic.Sigar.Swap.NativeGet(this);
         }
 
+        public Cpu Cpu() {
+            return Hyperic.Sigar.Cpu.NativeGet(this);
+        }
+
         public CpuInfo[] CpuInfoList() {
             return Hyperic.Sigar.CpuInfoList.NativeGet(this);
         }
@@ -115,6 +119,35 @@ namespace Hyperic.Sigar {
         }
     }
 
+    [StructLayout(LayoutKind.Sequential)]
+    public struct Cpu {
+        public readonly ulong User;
+        public readonly ulong Sys;
+        private readonly ulong NA_Nice;
+        public readonly ulong Idle;
+        public readonly ulong Total;
+
+        [DllImport(Sigar.LIBSIGAR)]
+        private static extern int sigar_cpu_get(IntPtr sigar, IntPtr cpu);
+
+        internal static Cpu NativeGet(Sigar sigar) {
+            Type type = typeof(Cpu);
+            IntPtr ptr = Marshal.AllocHGlobal(Marshal.SizeOf(type));
+
+            int status = sigar_cpu_get(sigar.sigar.Handle, ptr);
+
+            if (status != Sigar.OK) {
+                Marshal.FreeHGlobal(ptr);
+                throw new ApplicationException("cpu_get");
+            }
+
+            Cpu cpu = (Cpu)Marshal.PtrToStructure(ptr, type);
+            Marshal.FreeHGlobal(ptr);
+
+            return cpu;
+        }
+    }
+
     [StructLayout(LayoutKind.Sequential)]
     public struct CpuInfo {
         [MarshalAs(UnmanagedType.ByValTStr, SizeConst=128)]