podman

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package systemd
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import (
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	"os"
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	"strconv"
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)
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// SocketActivated determine if podman is running under the socket activation protocol
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// Criteria is based on the expectations of "github.com/coreos/go-systemd/v22/activation"
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func SocketActivated() bool {
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	pid, found := os.LookupEnv("LISTEN_PID")
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	if !found {
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		return false
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	}
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	p, err := strconv.Atoi(pid)
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	if err != nil || p != os.Getpid() {
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		return false
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	}
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	fds, found := os.LookupEnv("LISTEN_FDS")
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	if !found {
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		return false
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	}
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	nfds, err := strconv.Atoi(fds)
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	if err != nil || nfds == 0 {
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		return false
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	}
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	return true
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}
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