mirror of
https://github.com/Luzifer/duplicity-backup.git
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29 lines
431 B
Go
29 lines
431 B
Go
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// +build darwin dragonfly freebsd linux nacl netbsd openbsd solaris
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package lockfile
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import (
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"os"
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"syscall"
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)
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func isProcessAlive(p *os.Process) error {
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err := p.Signal(os.Signal(syscall.Signal(0)))
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if err == nil {
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return nil
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}
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errno, ok := err.(syscall.Errno)
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if !ok {
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return ErrDeadOwner
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}
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switch errno {
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case syscall.ESRCH:
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return ErrDeadOwner
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case syscall.EPERM:
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return nil
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default:
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return err
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}
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}
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