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C#: store replace on Windows tries POSIX-semantics rename first (store-windows-cs) (#152)

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Libby 2026-11-13 00:38:07 +00:00
commit a85c63712b
5 changed files with 466 additions and 46 deletions
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31
src/GameCult.Caching.MessagePack/DirectoryMessagePackBackingStore.cs
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@ -681,14 +681,7 @@ public sealed class DirectoryMessagePackBackingStore : CacheBackingStore
stream.Flush(true);
}
if (File.Exists(path))
{
ReplaceExistingFile(tempPath, path);
}
else
{
File.Move(tempPath, path);
}
StoreReplace.Replace(tempPath, path);
}
finally
{
@ -768,26 +761,4 @@ public sealed class DirectoryMessagePackBackingStore : CacheBackingStore
return held;
}
}
private static void ReplaceExistingFile(string sourcePath, string destinationPath)
{
for (var attempt = 0; attempt < 3; attempt++)
{
try
{
File.Replace(sourcePath, destinationPath, null);
return;
}
catch (IOException) when (attempt < 2)
{
Thread.Sleep(10 * (attempt + 1));
}
catch (UnauthorizedAccessException) when (attempt < 2)
{
Thread.Sleep(10 * (attempt + 1));
}
}
File.Replace(sourcePath, destinationPath, null);
}
}