mirror of https://github.com/hashicorp/consul
24 lines
563 B
Go
24 lines
563 B
Go
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// +build !windows
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package proxy
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import (
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"os"
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"syscall"
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)
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// processAlive for non-Windows. Note that this very likely doesn't
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// work for all non-Windows platforms Go supports and we should expand
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// support as we experience it.
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func processAlive(p *os.Process) error {
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// On Unix-like systems, we can verify a process is alive by sending
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// a 0 signal. This will do nothing to the process but will still
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// return errors if the process is gone.
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err := p.Signal(syscall.Signal(0))
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if err == nil || err == syscall.EPERM {
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return nil
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}
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return err
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}
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