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Add [SupportedOSPlatformGuard] to OperatingSystem polyfill methods #123

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Merged
Tyrrrz merged 1 commit into from
Apr 18, 2026
Merged

Add [SupportedOSPlatformGuard] to OperatingSystem polyfill methods #123

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6 changes: 6 additions & 0 deletions PolyShim/Net50/OperatingSystem.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@
using System;
using System.Runtime.InteropServices;
using System.Diagnostics.CodeAnalysis;
using System.Runtime.Versioning;

#if !POLYSHIM_INCLUDE_COVERAGE
[ExcludeFromCodeCoverage]
Expand All @@ -16,20 +17,25 @@ internal static class MemberPolyfills_Net50_OperatingSystem
// Can only detect the platform on .NET Standard 1.3+
#if !NETSTANDARD || NETSTANDARD1_3_OR_GREATER
// https://learn.microsoft.com/dotnet/api/system.operatingsystem.isfreebsd
[SupportedOSPlatformGuard("freebsd")]
public static bool IsFreeBSD() => RuntimeInformation.IsOSPlatform(OSPlatform.FreeBSD);

// https://learn.microsoft.com/dotnet/api/system.operatingsystem.islinux
[SupportedOSPlatformGuard("linux")]
public static bool IsLinux() => RuntimeInformation.IsOSPlatform(OSPlatform.Linux);

// https://learn.microsoft.com/dotnet/api/system.operatingsystem.ismacos
[SupportedOSPlatformGuard("macos")]
public static bool IsMacOS() => RuntimeInformation.IsOSPlatform(OSPlatform.OSX);

// https://learn.microsoft.com/dotnet/api/system.operatingsystem.iswindows
[SupportedOSPlatformGuard("windows")]
public static bool IsWindows() => RuntimeInformation.IsOSPlatform(OSPlatform.Windows);

// Can only detect OS version on .NET Standard 2.0+ and .NET Core 2.0
#if (!NETSTANDARD || NETSTANDARD2_0_OR_GREATER) && (!NETCOREAPP || NETCOREAPP2_0_OR_GREATER)
// https://learn.microsoft.com/dotnet/api/system.operatingsystem.iswindowsversionatleast
[SupportedOSPlatformGuard("windows")]
public static bool IsWindowsVersionAtLeast(int major, int minor = 0, int build = 0, int revision = 0)
{
if (!IsWindows())
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