wehub-resource-sync
bf9395e022
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25 lines
462 B
Go
25 lines
462 B
Go
// Copyright (c) 2026 Lark Technologies Pte. Ltd.
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// SPDX-License-Identifier: MIT
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//go:build !windows
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package lockfile
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import (
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"fmt"
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"os"
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"syscall"
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)
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func tryLockFile(f *os.File) error {
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err := syscall.Flock(int(f.Fd()), syscall.LOCK_EX|syscall.LOCK_NB)
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if err != nil {
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return fmt.Errorf("%w (lock: %s, syscall: %v)", ErrHeld, f.Name(), err)
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}
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return nil
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}
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func unlockFile(f *os.File) error {
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return syscall.Flock(int(f.Fd()), syscall.LOCK_UN)
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}
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