23 lines
818 B
Markdown
23 lines
818 B
Markdown
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# Windows support
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OptMem now runs on native Windows (no WSL required).
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## What changed
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- `import fcntl` is guarded — falls back to `None` on platforms without it.
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- `locked()` uses `msvcrt` advisory locking with spin/backoff when `fcntl`
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is unavailable, so parallel sessions (the documented multi-process case)
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queue instead of raising `Resource deadlock avoided`.
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- The `.lock` file is opened in append mode (`"a"`) rather than `"w"`, which
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would truncate and break locks held by other processes on Windows.
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## Test (Windows native, no WSL)
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```bat
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python memo init
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set MEMORY_DIR=C:\path\to\mem
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python memo note "first memory"
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python memo note "second memory"
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python memo wake
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```
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Concurrency: 8 parallel `memo note` processes writing 1600 memories
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resulted in 1600/1600 records persisted (lock verified).
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