// Handle lifecycle events
func handleSignals(srv *falcore.Server) {
var sig os.Signal
var sigChan = make(chan os.Signal)
signal.Notify(sigChan, syscall.SIGHUP, syscall.SIGUSR1, syscall.SIGINT, syscall.SIGTERM, syscall.SIGTSTP)
pid := syscall.Getpid()
for {
sig = <-sigChan
switch sig {
case syscall.SIGHUP:
// send this to the paraent process to initiate the restart
fmt.Println(pid, "Received SIGHUP. forking.")
cpid, err := forker(srv)
fmt.Println(pid, "Forked pid:", cpid, "errno:", err)
case syscall.SIGUSR1:
// child sends this back to the parent when it's ready to Accept
fmt.Println(pid, "Received SIGUSR1. Stopping accept.")
srv.StopAccepting()
case syscall.SIGINT:
fmt.Println(pid, "Received SIGINT. Shutting down.")
os.Exit(0)
case syscall.SIGTERM:
fmt.Println(pid, "Received SIGTERM. Terminating.")
os.Exit(0)
case syscall.SIGTSTP:
fmt.Println(pid, "Received SIGTSTP. Stopping.")
syscall.Kill(pid, syscall.SIGSTOP)
default:
fmt.Println(pid, "Received", sig, ": ignoring")
}
}
}
