Andy DixonandClaude
69f4b90777
oracle/go is the Go code at 4c1507c, moved unchanged, plus test-only
generators that record what it computes. tests/vectors holds the
deterministic crypto/store vectors and synthetic fixtures they produce.
Co-Authored-By: Claude <noreply@anthropic.com>
29 lines
817 B
Go
29 lines
817 B
Go
// Copyright 2026 The vault Authors.
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// SPDX-License-Identifier: GPL-3.0-or-later
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package main
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import (
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"fmt"
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"os"
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"path/filepath"
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)
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const lockName = ".lock"
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// lockVault takes the vault lock: exclusive for commands that change the
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// vault, shared for commands that only read it. If another vault process
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// holds a conflicting lock it says so and waits. The returned function
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// releases the lock.
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func lockVault(root string, exclusive bool) (func(), error) {
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release, err := acquireLock(filepath.Join(root, lockName), exclusive, func() {
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fmt.Fprintln(os.Stderr, "waiting for another vault process to finish")
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})
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if err != nil && !exclusive {
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// A reader on read-only storage cannot create the lock file, and
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// nothing can be writing there either.
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return func() {}, nil
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}
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return release, err
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}
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