Xamarin Public Jenkins (auto-signing) 64ac736ec5 Imported Upstream version 6.0.0.172
Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd
2019-04-12 14:10:50 +00:00

119 lines
2.6 KiB
C#

//
// System.Platform
//
// Copyright (C) 2011-2013 Xamarin Inc. (www.xamarin.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Runtime.InteropServices;
namespace System {
internal static class Platform {
static bool checkedOS;
static bool isMacOS;
static bool isAix;
static bool isIBMi;
#if MONOTOUCH || XAMMAC
const bool isFreeBSD = false;
private static void CheckOS() {
isMacOS = true;
checkedOS = true;
}
#elif ORBIS
const bool isFreeBSD = true;
private static void CheckOS() {
checkedOS = true;
}
#else
static bool isFreeBSD;
[DllImport ("libc")]
static extern int uname (IntPtr buf);
private static void CheckOS() {
if (Environment.OSVersion.Platform != PlatformID.Unix) {
checkedOS = true;
return;
}
IntPtr buf = Marshal.AllocHGlobal (8192);
if (uname (buf) == 0) {
string os = Marshal.PtrToStringAnsi (buf);
switch (os) {
case "Darwin":
isMacOS = true;
break;
case "FreeBSD":
isFreeBSD = true;
break;
case "AIX":
isAix = true;
break;
case "OS400":
isIBMi = true;
break;
}
}
Marshal.FreeHGlobal (buf);
checkedOS = true;
}
#endif
public static bool IsMacOS {
get {
if (!checkedOS)
CheckOS();
return isMacOS;
}
}
public static bool IsFreeBSD {
get {
if (!checkedOS)
CheckOS();
return isFreeBSD;
}
}
public static bool IsIBMi {
get {
if (!checkedOS)
CheckOS();
return isIBMi;
}
}
public static bool IsAix {
get {
if (!checkedOS)
CheckOS();
return isAix;
}
}
}
}