a090706421
This commit adds an http server and client for streaming snapshots and WAL pages from an upstream Litestream primary to a read-only replica.
22 lines
454 B
Go
22 lines
454 B
Go
//go:build !linux
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package litestream
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import (
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"io"
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"os"
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)
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// WithFile executes fn with a file handle for the main database file.
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// On Linux, this is a unique file handle for each call. On non-Linux
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// systems, the file handle is shared because of lock semantics.
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func (db *DB) WithFile(fn func(f *os.File) error) error {
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db.mu.Lock()
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defer db.mu.Unlock()
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if _, err := db.f.Seek(0, io.SeekStart); err != nil {
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return err
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}
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return fn(db.f)
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}
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