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Cytown
23 lines
431 B
Go
23 lines
431 B
Go
//go:build !windows
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package pid
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import (
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"os"
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"syscall"
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)
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// isProcessRunning checks whether a process with the given PID is alive
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// on Unix-like systems using signal(0).
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func isProcessRunning(pid int) bool {
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if pid <= 0 {
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return false
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}
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p, err := os.FindProcess(pid)
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if err != nil {
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return false
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}
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// Signal(nil) does not kill the process but checks existence on Unix.
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return p.Signal(syscall.Signal(0)) == nil
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}
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