cri-o/cmd/crio/daemon_linux.go

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// +build linux
package main
import (
systemdDaemon "github.com/coreos/go-systemd/daemon"
"github.com/sirupsen/logrus"
)
func sdNotify() {
if _, err := systemdDaemon.SdNotify(true, "READY=1"); err != nil {
logrus.Warnf("Failed to sd_notify systemd: %v", err)
}
}
// notifySystem sends a message to the host when the server is ready to be used
func notifySystem() {
// Tell the init daemon we are accepting requests
go sdNotify()
}