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[wasm] Mark System.IO.MemoryMappedFiles APIs unsupported on browser #41971

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[wasm] Mark System.IO.MemoryMappedFiles APIs unsupported on browser #41971

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9 changes: 9 additions & 0 deletions src/libraries/System.IO.MemoryMappedFiles/ref/System.IO.MemoryMappedFiles.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -24,14 +24,23 @@ public partial class MemoryMappedFile : System.IDisposable
{
internal MemoryMappedFile() { }
public Microsoft.Win32.SafeHandles.SafeMemoryMappedFileHandle SafeMemoryMappedFileHandle { get { throw null; } }
[System.Runtime.Versioning.UnsupportedOSPlatformAttribute("browser")]
public static System.IO.MemoryMappedFiles.MemoryMappedFile CreateFromFile(System.IO.FileStream fileStream, string? mapName, long capacity, System.IO.MemoryMappedFiles.MemoryMappedFileAccess access, System.IO.HandleInheritability inheritability, bool leaveOpen) { throw null; }
[System.Runtime.Versioning.UnsupportedOSPlatformAttribute("browser")]
public static System.IO.MemoryMappedFiles.MemoryMappedFile CreateFromFile(string path) { throw null; }
[System.Runtime.Versioning.UnsupportedOSPlatformAttribute("browser")]
public static System.IO.MemoryMappedFiles.MemoryMappedFile CreateFromFile(string path, System.IO.FileMode mode) { throw null; }
[System.Runtime.Versioning.UnsupportedOSPlatformAttribute("browser")]
public static System.IO.MemoryMappedFiles.MemoryMappedFile CreateFromFile(string path, System.IO.FileMode mode, string? mapName) { throw null; }
[System.Runtime.Versioning.UnsupportedOSPlatformAttribute("browser")]
public static System.IO.MemoryMappedFiles.MemoryMappedFile CreateFromFile(string path, System.IO.FileMode mode, string? mapName, long capacity) { throw null; }
[System.Runtime.Versioning.UnsupportedOSPlatformAttribute("browser")]
public static System.IO.MemoryMappedFiles.MemoryMappedFile CreateFromFile(string path, System.IO.FileMode mode, string? mapName, long capacity, System.IO.MemoryMappedFiles.MemoryMappedFileAccess access) { throw null; }
[System.Runtime.Versioning.UnsupportedOSPlatformAttribute("browser")]
public static System.IO.MemoryMappedFiles.MemoryMappedFile CreateNew(string? mapName, long capacity) { throw null; }
[System.Runtime.Versioning.UnsupportedOSPlatformAttribute("browser")]
public static System.IO.MemoryMappedFiles.MemoryMappedFile CreateNew(string? mapName, long capacity, System.IO.MemoryMappedFiles.MemoryMappedFileAccess access) { throw null; }
[System.Runtime.Versioning.UnsupportedOSPlatformAttribute("browser")]
public static System.IO.MemoryMappedFiles.MemoryMappedFile CreateNew(string? mapName, long capacity, System.IO.MemoryMappedFiles.MemoryMappedFileAccess access, System.IO.MemoryMappedFiles.MemoryMappedFileOptions options, System.IO.HandleInheritability inheritability) { throw null; }
[System.Runtime.Versioning.SupportedOSPlatformAttribute("windows")]
public static System.IO.MemoryMappedFiles.MemoryMappedFile CreateOrOpen(string mapName, long capacity) { throw null; }
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9 changes: 9 additions & 0 deletions ...libraries/System.IO.MemoryMappedFiles/src/System/IO/MemoryMappedFiles/MemoryMappedFile.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -92,25 +92,30 @@ public static MemoryMappedFile OpenExisting(string mapName, MemoryMappedFileRigh
// page size. One can use FileStream.SetLength to bring the length back to a desirable size. By default,
// the MemoryMappedFile will close the FileStream object when it is disposed. This behavior can be
// changed by the leaveOpen boolean argument.
[UnsupportedOSPlatform("browser")]
public static MemoryMappedFile CreateFromFile(string path)
{
return CreateFromFile(path, FileMode.Open, null, DefaultSize, MemoryMappedFileAccess.ReadWrite);
}
[UnsupportedOSPlatform("browser")]
public static MemoryMappedFile CreateFromFile(string path, FileMode mode)
{
return CreateFromFile(path, mode, null, DefaultSize, MemoryMappedFileAccess.ReadWrite);
}

[UnsupportedOSPlatform("browser")]
public static MemoryMappedFile CreateFromFile(string path, FileMode mode, string? mapName)
{
return CreateFromFile(path, mode, mapName, DefaultSize, MemoryMappedFileAccess.ReadWrite);
}

[UnsupportedOSPlatform("browser")]
public static MemoryMappedFile CreateFromFile(string path, FileMode mode, string? mapName, long capacity)
{
return CreateFromFile(path, mode, mapName, capacity, MemoryMappedFileAccess.ReadWrite);
}

[UnsupportedOSPlatform("browser")]
public static MemoryMappedFile CreateFromFile(string path, FileMode mode, string? mapName, long capacity,
MemoryMappedFileAccess access)
{
Expand Down Expand Up @@ -179,6 +184,7 @@ public static MemoryMappedFile CreateFromFile(string path, FileMode mode, string
return new MemoryMappedFile(handle, fileStream, false);
}

[UnsupportedOSPlatform("browser")]
public static MemoryMappedFile CreateFromFile(FileStream fileStream, string? mapName, long capacity,
MemoryMappedFileAccess access,
HandleInheritability inheritability, bool leaveOpen)
Expand Down Expand Up @@ -235,18 +241,21 @@ public static MemoryMappedFile CreateFromFile(FileStream fileStream, string? map

// Factory Method Group #3: Creates a new empty memory mapped file. Such memory mapped files are ideal
// for IPC, when mapName != null.
[UnsupportedOSPlatform("browser")]
public static MemoryMappedFile CreateNew(string? mapName, long capacity)
{
return CreateNew(mapName, capacity, MemoryMappedFileAccess.ReadWrite, MemoryMappedFileOptions.None,
HandleInheritability.None);
}

[UnsupportedOSPlatform("browser")]
public static MemoryMappedFile CreateNew(string? mapName, long capacity, MemoryMappedFileAccess access)
{
return CreateNew(mapName, capacity, access, MemoryMappedFileOptions.None,
HandleInheritability.None);
}

[UnsupportedOSPlatform("browser")]
public static MemoryMappedFile CreateNew(string? mapName, long capacity, MemoryMappedFileAccess access,
MemoryMappedFileOptions options,
HandleInheritability inheritability)
Expand Down