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ed75533cb1
* optionally protect against multiple starts with flock Fixes #1823 * use traditional .lock extension * move config key to top level
25 lines
391 B
Go
25 lines
391 B
Go
//go:build !plan9
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package flock
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import (
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"errors"
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"github.com/gofrs/flock"
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)
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var (
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CouldntAcquire = errors.New("Couldn't acquire flock (is another Ergo running?)")
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)
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func TryAcquireFlock(path string) (fl Flocker, err error) {
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f := flock.New(path)
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success, err := f.TryLock()
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if err != nil {
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return nil, err
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} else if !success {
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return nil, CouldntAcquire
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}
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return f, nil
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}
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