From 06bac23cf8abc7b11e11aff1dc7f26b5355b0224 Mon Sep 17 00:00:00 2001
From: kanato <kanato@ebc5dd9b-fb1d-0410-b6f8-d24c324e9604>
Date: Thu, 1 Jan 2009 00:11:06 +0000
Subject: [PATCH] Introduced new platform detection code to p/invoke to uname
 rather than running it as a process.

---
 Source/OpenTK/Configuration.cs | 49 +++++++++++++++++++++++++++++++++-
 1 file changed, 48 insertions(+), 1 deletion(-)

diff --git a/Source/OpenTK/Configuration.cs b/Source/OpenTK/Configuration.cs
index 34d09950..605f957d 100644
--- a/Source/OpenTK/Configuration.cs
+++ b/Source/OpenTK/Configuration.cs
@@ -11,6 +11,7 @@ using System.Collections.Generic;
 using System.Text;
 using System.Diagnostics;
 using System.IO;
+using System.Runtime.InteropServices;
 
 [assembly: CLSCompliant(true)]
 [assembly: System.Runtime.CompilerServices.InternalsVisibleTo("OpenTK.Utilities")]
@@ -92,13 +93,59 @@ namespace OpenTK
 
         #region private static string DetectUnixKernel()
 
+        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
+        struct utsname
+        {
+            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 256)]
+            public string sysname;
+
+            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 256)]
+            public string nodename;
+
+            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 256)]
+            public string release;
+
+            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 256)]
+            public string version;
+
+            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 256)]
+            public string machine;
+
+            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 1024)]
+            public string extraJustInCase;
+
+        }
+
+        private static string DetectUnixKernel()
+        {
+            Debug.Print("Size: {0}", Marshal.SizeOf(typeof(utsname)).ToString());
+            Debug.Flush();
+            utsname uts = new utsname();
+            uname(out uts);
+
+            Debug.WriteLine("System:");
+            Debug.Indent();
+            Debug.WriteLine(uts.sysname);
+            Debug.WriteLine(uts.nodename);
+            Debug.WriteLine(uts.release);
+            Debug.WriteLine(uts.version);
+            Debug.WriteLine(uts.machine);
+            Debug.Unindent();
+
+            return uts.sysname.ToString();
+        }
+
+        [DllImport("libc")]
+        private static extern void uname(out utsname uname_struct);
+
+
         /// <summary>
         /// Executes "uname" which returns a string representing the name of the
         /// underlying Unix kernel.
         /// </summary>
         /// <returns>"Unix", "Linux", "Darwin" or null.</returns>
         /// <remarks>Source code from "Mono: A Developer's Notebook"</remarks>
-        private static string DetectUnixKernel()
+        private static string oldDetectUnixKernel()
         {
             ProcessStartInfo startInfo = new ProcessStartInfo();
             startInfo.Arguments = "-s";