Polyfill File.GetUnixFileMode, File.SetUnixFileMode, and Directory.CreateDirectory(path, UnixFileMode)#111

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Tyrrrz merged 26 commits intoprimefrom

copilot/add-polyfill-file-open-methods

Apr 16, 2026

Commits on Apr 16, 2026

Add File.Open(FileStreamOptions), FileStreamOptions, and UnixFileMode polyfills

Copilot
and
Tyrrrz
authored
Add File.GetUnixFileMode, File.SetUnixFileMode, Directory.CreateDirectory(path, UnixFileMode) polyfills and update File.Open to honor UnixCreateMode

Copilot
and
Tyrrrz
authored
Use SkippableFact instead of #if PLATFORM_WINDOWS guards in Unix-only tests

Copilot
and
Tyrrrz
authored
Dispose stream on throw, use field keyword, extract NativeMethods class

Copilot
and
Tyrrrz
authored
Extract NativeMethods in File.cs, add UnsupportedOSPlatform, remove redundant guard in UnixFileMode.cs

Copilot
and
Tyrrrz
authored
Update FileTests.cs
Tyrrrz
authored
Update DirectoryTests.cs
Tyrrrz
authored
Update FileTests.cs
Tyrrrz
authored
Update File.cs
Tyrrrz
authored
Make BufferSize and PreallocationSize setters arrow-bodied one-liners

Copilot
and
Tyrrrz
authored
Add [UnsupportedOSPlatform("windows")] to Directory.CreateDirectory(path, UnixFileMode)

Copilot
and
Tyrrrz
authored
Potential fix for pull request finding

Tyrrrz
and
Copilot
authored
Fix File.Open: only apply UnixCreateMode when file is newly created

Copilot
and
Tyrrrz
authored
Update File.cs
Tyrrrz
authored
Simplify File.Open pre-check: existed = File.Exists(path)

Copilot
and
Tyrrrz
authored
Update Directory.cs
Tyrrrz
authored
Update File.cs
Tyrrrz
authored
Potential fix for pull request finding

Tyrrrz
and
Copilot
authored
Fix formatting in Net60/File.cs: move class inside NETSTANDARD guard

Copilot
and
Tyrrrz
authored
Update File.cs
Tyrrrz
authored
Apply umask-respecting chmod in File.Open UnixCreateMode handling

Copilot
and
Tyrrrz
authored
Merge branch 'prime' into copilot/add-polyfill-file-open-methods
Tyrrrz
authored
Move FileStreamOptions.UnixCreateMode to Net70 extension member (polyfills .NET 7 API via ConditionalWeakTable)

Copilot
and
Tyrrrz
authored
Potential fix for pull request finding

Tyrrrz
and
Copilot
authored
Update File.cs
Tyrrrz
authored
Update Directory.cs
Tyrrrz
authored

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Polyfill File.GetUnixFileMode, File.SetUnixFileMode, and Directory.CreateDirectory(path, UnixFileMode)#111

Polyfill File.GetUnixFileMode, File.SetUnixFileMode, and Directory.CreateDirectory(path, UnixFileMode)#111
Tyrrrz merged 26 commits intoprimefrom
copilot/add-polyfill-file-open-methods

Commits on Apr 16, 2026

Add File.Open(FileStreamOptions), FileStreamOptions, and UnixFileMode polyfills

Add File.GetUnixFileMode, File.SetUnixFileMode, Directory.CreateDirectory(path, UnixFileMode) polyfills and update File.Open to honor UnixCreateMode

Use SkippableFact instead of #if PLATFORM_WINDOWS guards in Unix-only tests

Dispose stream on throw, use field keyword, extract NativeMethods class

Extract NativeMethods in File.cs, add UnsupportedOSPlatform, remove redundant guard in UnixFileMode.cs

Update FileTests.cs

Update DirectoryTests.cs

Update FileTests.cs

Update File.cs

Make BufferSize and PreallocationSize setters arrow-bodied one-liners

Add [UnsupportedOSPlatform("windows")] to Directory.CreateDirectory(path, UnixFileMode)

Potential fix for pull request finding

Fix File.Open: only apply UnixCreateMode when file is newly created

Update File.cs

Simplify File.Open pre-check: existed = File.Exists(path)

Update Directory.cs

Update File.cs

Potential fix for pull request finding

Fix formatting in Net60/File.cs: move class inside NETSTANDARD guard

Update File.cs

Apply umask-respecting chmod in File.Open UnixCreateMode handling

Merge branch 'prime' into copilot/add-polyfill-file-open-methods

Move FileStreamOptions.UnixCreateMode to Net70 extension member (polyfills .NET 7 API via ConditionalWeakTable)

Potential fix for pull request finding

Update File.cs

Update Directory.cs