func gracefulExit(rcvr *receiver.Receiver, serviceMgr *serviceManager) {
log.Printf("Gracefully exiting...")
quitting = true
if gracefulChildPid == 0 {
rcvr.ClusterReady(false) // triggers a transition
// Allow enough time for a transition to start
time.Sleep(500 * time.Millisecond) // TODO This is a hack
}
log.Printf("Waiting for all TCP connections to finish...")
serviceMgr.closeListeners()
log.Printf("TCP connections finished.")
// Stop the receiver
rcvr.Stop()
if gracefulChildPid != 0 {
// let the child know the data is flushed
syscall.Kill(gracefulChildPid, syscall.SIGUSR1)
}
}
