| #region Copyright notice and license |
| |
| // Copyright 2015, Google Inc. |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #endregion |
| |
| using System; |
| using System.Collections.Concurrent; |
| using System.Diagnostics; |
| using System.IO; |
| using System.Reflection; |
| using System.Runtime.InteropServices; |
| using System.Threading; |
| |
| namespace Grpc.Core.Internal |
| { |
| /// <summary> |
| /// Utility methods for detecting platform and architecture. |
| /// </summary> |
| internal static class PlatformApis |
| { |
| static readonly bool isLinux; |
| static readonly bool isMacOSX; |
| static readonly bool isWindows; |
| static readonly bool isMono; |
| |
| static PlatformApis() |
| { |
| #if DNXCORE50 |
| isLinux = RuntimeInformation.IsOSPlatform(OSPlatform.Linux); |
| isMacOSX = RuntimeInformation.IsOSPlatform(OSPlatform.OSX); |
| isWindows = RuntimeInformation.IsOSPlatform(OSPlatform.Windows); |
| #else |
| var platform = Environment.OSVersion.Platform; |
| |
| // PlatformID.MacOSX is never returned, commonly used trick is to identify Mac is by using uname. |
| isMacOSX = (platform == PlatformID.Unix && GetUname() == "Darwin"); |
| isLinux = (platform == PlatformID.Unix && !isMacOSX); |
| isWindows = (platform == PlatformID.Win32NT || platform == PlatformID.Win32S || platform == PlatformID.Win32Windows); |
| #endif |
| isMono = Type.GetType("Mono.Runtime") != null; |
| } |
| |
| public static bool IsLinux |
| { |
| get { return isLinux; } |
| } |
| |
| public static bool IsMacOSX |
| { |
| get { return isMacOSX; } |
| } |
| |
| public static bool IsWindows |
| { |
| get { return isWindows; } |
| } |
| |
| public static bool IsMono |
| { |
| get { return isMono; } |
| } |
| |
| public static bool Is64Bit |
| { |
| get { return IntPtr.Size == 8; } |
| } |
| |
| [DllImport("libc")] |
| static extern int uname(IntPtr buf); |
| |
| static string GetUname() |
| { |
| var buffer = Marshal.AllocHGlobal(8192); |
| try |
| { |
| if (uname(buffer) == 0) |
| { |
| return Marshal.PtrToStringAnsi(buffer); |
| } |
| return string.Empty; |
| } |
| catch |
| { |
| return string.Empty; |
| } |
| finally |
| { |
| if (buffer != IntPtr.Zero) |
| { |
| Marshal.FreeHGlobal(buffer); |
| } |
| } |
| } |
| } |
| } |